Stamenković, Dragoslav

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  • Stamenković, Dragoslav (22)

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Selective laser melting and sintering technique of the cobalt-chromium dental alloy

Stamenković, Dejan; Obradović-Đuričić, Kosovka; Rudolf, Rebeka; Bobovnik, Rajko; Stamenković, Dragoslav

(Srpsko lekarsko društvo, Beograd, 2019)

TY  - JOUR
AU  - Stamenković, Dejan
AU  - Obradović-Đuričić, Kosovka
AU  - Rudolf, Rebeka
AU  - Bobovnik, Rajko
AU  - Stamenković, Dragoslav
PY  - 2019
UR  - https://smile.stomf.bg.ac.rs/handle/123456789/2472
AB  - Introduction/Objective the objective of this paper is to describe the microstructure and mechanical properties of sintered Co-Cr alloy and to emphasize its advantages and disadvantages with respect to the microstructure and mechanical properties of cast Co-Cr alloy. Methods Base Co-Cr alloy, EOSint M EOS Co-Cr SP2 (EOS GmbH, Munch, Germany), was used for the purpose of this research as the base material for sintering metal structures of metal-ceramic restorations. Metal sintering was conducted by using EOSint M 280 device of German origin in a stream of neutral gas - argon. After that, the alloy was heated over a period of 20 minutes at the temperature of 800°C. The chemical composition of the alloy was determined by energy dispersive spectroscopy. Microstructure of the tested alloy samples was examined under an optical metallographic and scanning electron microscope. Physical and mechanical properties were measured in a universal testing machine. The samples were prepared according to the standard ISO 527-1:1993. Results Chemical composition of the sintered Co-Cr alloy, determined by applying energy dispersive spectroscopy, indicated the same qualitative but different quantitative composition compared to cast Co-Cr alloys. The microstructure of the sintered Co-Cr alloy is lamellar in nature, with two dominant phases: ξ-Co and/or ξ-Cr (fcc - face-centered cubic) and γ-Co (hcp - hexagonal close-packed). Mechanical properties of the Co-Cr alloy obtained by applying selective laser melting technology compared to the cast Co-Cr alloy are superior or approximately the same. Conclusion Selective laser melting of the Co-Cr alloy is a good example of new technologies based on digitization. Together with other digitized procedures, this technology is an introduction to a new era in dentistry popularly called Dentistry 4.0. The advantages of the selective laser melting technology with respect to the conventional technology of casting Co-Cr alloy metal structures are precise metal structure fitting and eco-friendly technology.
AB  - Uvod/Cilj Cilj rada je opisati mikrostrukturu i mehaničke karakteristike sinterovane legure Co-Cr i istaći njene prednosti i mane u odnosu na mikrostrukturu i mehaničke karakteristike livene legure Co-Cr. Metode U istraživanju je korišćena bazna legura Co-Cr, Eosint M EOS Co-Cr SP2 (EOS GmbH, Minhen, Nemačka) za sinterovanje metalnih konstrukcija metalokeramičkih nadoknada. Sinterovanje metala je obavljeno na aparatu EOSint M 280 u struji neutralnog gasa argona. Nakon toga legura je žarena 20 minuta na temperaturi od 800° C. Hemijski sastav legure određivan je energodisperzivnom spektroskopijom. Mikrostruktura ispitivanih uzoraka legure posmatrana je na optičkom metalografskom i elektronskom skenirajućem mikroskopu. Fizičko-mehaničke karakteristike merene su na univerzalnoj kidalici. Uzorci su pripremani prema standardu ISO 527-1:1993. Rezultati Hemijski sastav uzoraka sinterovane legure CoCr pokazao je isti kvalitativan ali različit kvantitativan sastav u odnosu na legure Co-Cr za livenje. Mikrostruktura sinterovane legure Co-Cr je lamelarne prirode, u kojoj dominiraju dve faze: e-Co i/ili e-Cr (fcc - face-centred cubic) i g-Co (hcp - hexagonal close-packed). U poređenju sa livenom legurom Co-Cr, mehaničke karakteristike sinterovane legure Co-Cr su bolje ili približno iste. Zaključak Selektivno lasersko topljenje legure Co-Cr je dobar primer novih tehnologija zasnovanih na digitalizaciji. Zajedno sa drugim digitalizovanim procedurama koje prethode, ova tehnologija je predvorje novoj eri u stomatologiji, popularno nazvanoj Dentistry 4.0. Prednosti tehnologije selektivnog laserskog topljenja u odnosu na tehnologiju konvencionalnog livenja metalnih konstrukcija od legure Co-Cr su preciznost naleganja metalne konstrukcije i čista tehnologija.
PB  - Srpsko lekarsko društvo, Beograd
T2  - Srpski arhiv za celokupno lekarstvo
T1  - Selective laser melting and sintering technique of the cobalt-chromium dental alloy
T1  - Selektivno lasersko topljenje i sinterovanje dentalne legure kobalt-hrom
VL  - 147
IS  - 11-12
SP  - 664
EP  - 669
DO  - 10.2298/SARH190706112S
ER  - 
@article{
author = "Stamenković, Dejan and Obradović-Đuričić, Kosovka and Rudolf, Rebeka and Bobovnik, Rajko and Stamenković, Dragoslav",
year = "2019",
abstract = "Introduction/Objective the objective of this paper is to describe the microstructure and mechanical properties of sintered Co-Cr alloy and to emphasize its advantages and disadvantages with respect to the microstructure and mechanical properties of cast Co-Cr alloy. Methods Base Co-Cr alloy, EOSint M EOS Co-Cr SP2 (EOS GmbH, Munch, Germany), was used for the purpose of this research as the base material for sintering metal structures of metal-ceramic restorations. Metal sintering was conducted by using EOSint M 280 device of German origin in a stream of neutral gas - argon. After that, the alloy was heated over a period of 20 minutes at the temperature of 800°C. The chemical composition of the alloy was determined by energy dispersive spectroscopy. Microstructure of the tested alloy samples was examined under an optical metallographic and scanning electron microscope. Physical and mechanical properties were measured in a universal testing machine. The samples were prepared according to the standard ISO 527-1:1993. Results Chemical composition of the sintered Co-Cr alloy, determined by applying energy dispersive spectroscopy, indicated the same qualitative but different quantitative composition compared to cast Co-Cr alloys. The microstructure of the sintered Co-Cr alloy is lamellar in nature, with two dominant phases: ξ-Co and/or ξ-Cr (fcc - face-centered cubic) and γ-Co (hcp - hexagonal close-packed). Mechanical properties of the Co-Cr alloy obtained by applying selective laser melting technology compared to the cast Co-Cr alloy are superior or approximately the same. Conclusion Selective laser melting of the Co-Cr alloy is a good example of new technologies based on digitization. Together with other digitized procedures, this technology is an introduction to a new era in dentistry popularly called Dentistry 4.0. The advantages of the selective laser melting technology with respect to the conventional technology of casting Co-Cr alloy metal structures are precise metal structure fitting and eco-friendly technology., Uvod/Cilj Cilj rada je opisati mikrostrukturu i mehaničke karakteristike sinterovane legure Co-Cr i istaći njene prednosti i mane u odnosu na mikrostrukturu i mehaničke karakteristike livene legure Co-Cr. Metode U istraživanju je korišćena bazna legura Co-Cr, Eosint M EOS Co-Cr SP2 (EOS GmbH, Minhen, Nemačka) za sinterovanje metalnih konstrukcija metalokeramičkih nadoknada. Sinterovanje metala je obavljeno na aparatu EOSint M 280 u struji neutralnog gasa argona. Nakon toga legura je žarena 20 minuta na temperaturi od 800° C. Hemijski sastav legure određivan je energodisperzivnom spektroskopijom. Mikrostruktura ispitivanih uzoraka legure posmatrana je na optičkom metalografskom i elektronskom skenirajućem mikroskopu. Fizičko-mehaničke karakteristike merene su na univerzalnoj kidalici. Uzorci su pripremani prema standardu ISO 527-1:1993. Rezultati Hemijski sastav uzoraka sinterovane legure CoCr pokazao je isti kvalitativan ali različit kvantitativan sastav u odnosu na legure Co-Cr za livenje. Mikrostruktura sinterovane legure Co-Cr je lamelarne prirode, u kojoj dominiraju dve faze: e-Co i/ili e-Cr (fcc - face-centred cubic) i g-Co (hcp - hexagonal close-packed). U poređenju sa livenom legurom Co-Cr, mehaničke karakteristike sinterovane legure Co-Cr su bolje ili približno iste. Zaključak Selektivno lasersko topljenje legure Co-Cr je dobar primer novih tehnologija zasnovanih na digitalizaciji. Zajedno sa drugim digitalizovanim procedurama koje prethode, ova tehnologija je predvorje novoj eri u stomatologiji, popularno nazvanoj Dentistry 4.0. Prednosti tehnologije selektivnog laserskog topljenja u odnosu na tehnologiju konvencionalnog livenja metalnih konstrukcija od legure Co-Cr su preciznost naleganja metalne konstrukcije i čista tehnologija.",
publisher = "Srpsko lekarsko društvo, Beograd",
journal = "Srpski arhiv za celokupno lekarstvo",
title = "Selective laser melting and sintering technique of the cobalt-chromium dental alloy, Selektivno lasersko topljenje i sinterovanje dentalne legure kobalt-hrom",
volume = "147",
number = "11-12",
pages = "664-669",
doi = "10.2298/SARH190706112S"
}
Stamenković, D., Obradović-Đuričić, K., Rudolf, R., Bobovnik, R.,& Stamenković, D.. (2019). Selective laser melting and sintering technique of the cobalt-chromium dental alloy. in Srpski arhiv za celokupno lekarstvo
Srpsko lekarsko društvo, Beograd., 147(11-12), 664-669.
https://doi.org/10.2298/SARH190706112S
Stamenković D, Obradović-Đuričić K, Rudolf R, Bobovnik R, Stamenković D. Selective laser melting and sintering technique of the cobalt-chromium dental alloy. in Srpski arhiv za celokupno lekarstvo. 2019;147(11-12):664-669.
doi:10.2298/SARH190706112S .
Stamenković, Dejan, Obradović-Đuričić, Kosovka, Rudolf, Rebeka, Bobovnik, Rajko, Stamenković, Dragoslav, "Selective laser melting and sintering technique of the cobalt-chromium dental alloy" in Srpski arhiv za celokupno lekarstvo, 147, no. 11-12 (2019):664-669,
https://doi.org/10.2298/SARH190706112S . .
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6

Analysis of load distribution in tooth-implant supported fixed partial dentures by the use of resilient abutment

Glišić, Mirko; Stamenković, Dragoslav; Grbović, Aleksandar; Todorović, Aleksandar; Marković, Aleksa; Trifković, Branka

(Srpsko lekarsko društvo, Beograd, 2016)

TY  - JOUR
AU  - Glišić, Mirko
AU  - Stamenković, Dragoslav
AU  - Grbović, Aleksandar
AU  - Todorović, Aleksandar
AU  - Marković, Aleksa
AU  - Trifković, Branka
PY  - 2016
UR  - https://smile.stomf.bg.ac.rs/handle/123456789/2159
AB  - Introduction Differences between the tooth and implant response to load can lead to many biological and technical implications in the conditions of occlusal forces. Objective The objective of this study was to analyze load distribution in tooth/implant-supported fixed partial dentures with the use of resilient TSA (Titan Shock Absorber, BoneCare GmbH, Augsburg, Germany) abutment and conventional non-resilient abutment using finite element method. Methods This study presents two basic 3D models. For one model a standard non-resilient abutment is used, and on the implant of the second model a resilient TSA abutment is applied. The virtual model contains drawn contours of tooth, mucous membranes, implant, cortical bones and spongiosa, abutment and suprastructure. The experiment used 500 N of vertical force, applied in three different cases of axial load. Calculations of von Mises equivalent stresses of the tooth root and periodontium, implants and peri-implant tissue were made. Results For the model to which a non-resilient abutment is applied, maximum stress values in all three cases are observed in the cortical part of the bone (maximum stress value of 49.7 MPa). Measurements of stress and deformation in the bone tissue in the model with application of the resilient TSA abutment demonstrated similar distribution; however, these values are many times lower than in the model with non-resilient TSA abutment (maximum stress value of 28.9 MPa). Conclusion Application of the resilient TSA abutment results in more equal distribution of stress and deformations in the bone tissue under vertical forces. These values are many times lower than in the model with the non-resilient abutment.
AB  - Uvod Razlike u odgovoru zuba i implantata na opterećenje mogu imati za posledicu niz bioloških i tehničkih komplikacija u uslovima delovanja okluzalnih sila. Cilj rada Cilj ovog rada je da se analizira distribucija opterećenja kod mešovito nošenih mostova sa primenom rezilijentnog TSA abatmenta (Titan Shock Absorber, BoneCare GmbH Germany), kao i konvencionalnog nerezilijentnog abatmenta primenom metode konačnih elemenata (MKE). Metode rada U ovom radu napravljena su dva osnovna 3D modela. Na jednom implantatu i modelu korišćen je standardni nerezilijentni abatment, a na implantatu drugog modela korišćen je rezilijentni TSA abatment. Na virtuelnom modelu su modelirane konture zuba, PDL-a, sluzokože, implantata, kortikalne i spongiozne kosti, abatmenta i suprastrukture. U eksperimentu je korišćena vertikalna sila od 500 N, koja je primenjena u tri različita slučaja aksijalnog opterećenja. Metodom konačnih elemenata izračunavani su potom Fon Mizesovi ekvivalentni naponi u korenu zuba i parodoncijumu, implantatu i periimplantatnom tkivu. Rezultati Na modelu kod koga je primenjen nerezilijentni abatment, maksimalne vrednosti napona i deformacije u sva tri slučaja su registrovane u kortikalnom delu kosti oko zuba i implantata u zavisnosti od napadne tačke sile (maksimalan napon 49,7 MPa). Vrednosti napona i deformacija na modelu sa primenom rezilijentnog TSA abatmenta pokazale su sličnu raspodelu u kosti, međutim ove vrednosti su višestruko manje nego kod modela sa nerezilijentnim abatmentom (maksimalan napon 28,9 MPa). Zaključak Primena rezilijentnog TSA abatmenta dovodi do ravnomernije raspodele napona i deformacije u koštanom tkivu oko zuba i implantata pod dejstvom vertikalnih sila. Izmerene vrednosti su višestruko manje nego na modelu sa nerezilijentnim abatmentom.
PB  - Srpsko lekarsko društvo, Beograd
T2  - Srpski arhiv za celokupno lekarstvo
T1  - Analysis of load distribution in tooth-implant supported fixed partial dentures by the use of resilient abutment
T1  - Analiza distribucije opterećenja kod mešovito nošenih mostova primenom rezilijentnih abatmenata
VL  - 144
IS  - 3-4
SP  - 188
EP  - 195
DO  - 10.2298/sarh1604188G
ER  - 
@article{
author = "Glišić, Mirko and Stamenković, Dragoslav and Grbović, Aleksandar and Todorović, Aleksandar and Marković, Aleksa and Trifković, Branka",
year = "2016",
abstract = "Introduction Differences between the tooth and implant response to load can lead to many biological and technical implications in the conditions of occlusal forces. Objective The objective of this study was to analyze load distribution in tooth/implant-supported fixed partial dentures with the use of resilient TSA (Titan Shock Absorber, BoneCare GmbH, Augsburg, Germany) abutment and conventional non-resilient abutment using finite element method. Methods This study presents two basic 3D models. For one model a standard non-resilient abutment is used, and on the implant of the second model a resilient TSA abutment is applied. The virtual model contains drawn contours of tooth, mucous membranes, implant, cortical bones and spongiosa, abutment and suprastructure. The experiment used 500 N of vertical force, applied in three different cases of axial load. Calculations of von Mises equivalent stresses of the tooth root and periodontium, implants and peri-implant tissue were made. Results For the model to which a non-resilient abutment is applied, maximum stress values in all three cases are observed in the cortical part of the bone (maximum stress value of 49.7 MPa). Measurements of stress and deformation in the bone tissue in the model with application of the resilient TSA abutment demonstrated similar distribution; however, these values are many times lower than in the model with non-resilient TSA abutment (maximum stress value of 28.9 MPa). Conclusion Application of the resilient TSA abutment results in more equal distribution of stress and deformations in the bone tissue under vertical forces. These values are many times lower than in the model with the non-resilient abutment., Uvod Razlike u odgovoru zuba i implantata na opterećenje mogu imati za posledicu niz bioloških i tehničkih komplikacija u uslovima delovanja okluzalnih sila. Cilj rada Cilj ovog rada je da se analizira distribucija opterećenja kod mešovito nošenih mostova sa primenom rezilijentnog TSA abatmenta (Titan Shock Absorber, BoneCare GmbH Germany), kao i konvencionalnog nerezilijentnog abatmenta primenom metode konačnih elemenata (MKE). Metode rada U ovom radu napravljena su dva osnovna 3D modela. Na jednom implantatu i modelu korišćen je standardni nerezilijentni abatment, a na implantatu drugog modela korišćen je rezilijentni TSA abatment. Na virtuelnom modelu su modelirane konture zuba, PDL-a, sluzokože, implantata, kortikalne i spongiozne kosti, abatmenta i suprastrukture. U eksperimentu je korišćena vertikalna sila od 500 N, koja je primenjena u tri različita slučaja aksijalnog opterećenja. Metodom konačnih elemenata izračunavani su potom Fon Mizesovi ekvivalentni naponi u korenu zuba i parodoncijumu, implantatu i periimplantatnom tkivu. Rezultati Na modelu kod koga je primenjen nerezilijentni abatment, maksimalne vrednosti napona i deformacije u sva tri slučaja su registrovane u kortikalnom delu kosti oko zuba i implantata u zavisnosti od napadne tačke sile (maksimalan napon 49,7 MPa). Vrednosti napona i deformacija na modelu sa primenom rezilijentnog TSA abatmenta pokazale su sličnu raspodelu u kosti, međutim ove vrednosti su višestruko manje nego kod modela sa nerezilijentnim abatmentom (maksimalan napon 28,9 MPa). Zaključak Primena rezilijentnog TSA abatmenta dovodi do ravnomernije raspodele napona i deformacije u koštanom tkivu oko zuba i implantata pod dejstvom vertikalnih sila. Izmerene vrednosti su višestruko manje nego na modelu sa nerezilijentnim abatmentom.",
publisher = "Srpsko lekarsko društvo, Beograd",
journal = "Srpski arhiv za celokupno lekarstvo",
title = "Analysis of load distribution in tooth-implant supported fixed partial dentures by the use of resilient abutment, Analiza distribucije opterećenja kod mešovito nošenih mostova primenom rezilijentnih abatmenata",
volume = "144",
number = "3-4",
pages = "188-195",
doi = "10.2298/sarh1604188G"
}
Glišić, M., Stamenković, D., Grbović, A., Todorović, A., Marković, A.,& Trifković, B.. (2016). Analysis of load distribution in tooth-implant supported fixed partial dentures by the use of resilient abutment. in Srpski arhiv za celokupno lekarstvo
Srpsko lekarsko društvo, Beograd., 144(3-4), 188-195.
https://doi.org/10.2298/sarh1604188G
Glišić M, Stamenković D, Grbović A, Todorović A, Marković A, Trifković B. Analysis of load distribution in tooth-implant supported fixed partial dentures by the use of resilient abutment. in Srpski arhiv za celokupno lekarstvo. 2016;144(3-4):188-195.
doi:10.2298/sarh1604188G .
Glišić, Mirko, Stamenković, Dragoslav, Grbović, Aleksandar, Todorović, Aleksandar, Marković, Aleksa, Trifković, Branka, "Analysis of load distribution in tooth-implant supported fixed partial dentures by the use of resilient abutment" in Srpski arhiv za celokupno lekarstvo, 144, no. 3-4 (2016):188-195,
https://doi.org/10.2298/sarh1604188G . .
4
4
4

Hydroxyapatite coatings on cp-titanium grade-2 surfaces prepared with plasma spraying

Rudolf, Rebeka; Stamenković, Dragoslav; Aleksić, Zoran; Jenko, Monika; Đorđević, Igor; Todorović, Aleksandar; Jokanović, Vukoman; Raić, Karlo T.

(Inst Za Kovinske Materiale I In Tehnologie, Ljubjana, 2015)

TY  - JOUR
AU  - Rudolf, Rebeka
AU  - Stamenković, Dragoslav
AU  - Aleksić, Zoran
AU  - Jenko, Monika
AU  - Đorđević, Igor
AU  - Todorović, Aleksandar
AU  - Jokanović, Vukoman
AU  - Raić, Karlo T.
PY  - 2015
UR  - https://smile.stomf.bg.ac.rs/handle/123456789/1982
AB  - Thin hydroxyapatite coatings were produced on Cp-Titanium Grade-2 samples, with new high-voltage pulse-power equipment PJ-100 (Plasma Jet, Serbia) in order to get a more stable implant structure appropriate for further clinical applications. A comparative analysis of differently prepared surfaces of the Cp-Titanium Grade-2 samples was done before the hydroxyapatite was applied. Microstructural observation of the modified hydroxyapatite/implant surface was done using scanning-electron-microscopy imaging and Auger electron spectroscopy, with the aim of detecting the morphology and the elements contained in the new surfaces of the samples. The results confirmed that the surface of Cp-Titanium Grade-2 modified with hydroxyapatite is very similar to the bone structure.
PB  - Inst Za Kovinske Materiale I In Tehnologie, Ljubjana
T2  - Materiali in Tehnologije
T1  - Hydroxyapatite coatings on cp-titanium grade-2 surfaces prepared with plasma spraying
VL  - 49
IS  - 1
SP  - 81
EP  - 86
UR  - https://hdl.handle.net/21.15107/rcub_vinar_427
ER  - 
@article{
author = "Rudolf, Rebeka and Stamenković, Dragoslav and Aleksić, Zoran and Jenko, Monika and Đorđević, Igor and Todorović, Aleksandar and Jokanović, Vukoman and Raić, Karlo T.",
year = "2015",
abstract = "Thin hydroxyapatite coatings were produced on Cp-Titanium Grade-2 samples, with new high-voltage pulse-power equipment PJ-100 (Plasma Jet, Serbia) in order to get a more stable implant structure appropriate for further clinical applications. A comparative analysis of differently prepared surfaces of the Cp-Titanium Grade-2 samples was done before the hydroxyapatite was applied. Microstructural observation of the modified hydroxyapatite/implant surface was done using scanning-electron-microscopy imaging and Auger electron spectroscopy, with the aim of detecting the morphology and the elements contained in the new surfaces of the samples. The results confirmed that the surface of Cp-Titanium Grade-2 modified with hydroxyapatite is very similar to the bone structure.",
publisher = "Inst Za Kovinske Materiale I In Tehnologie, Ljubjana",
journal = "Materiali in Tehnologije",
title = "Hydroxyapatite coatings on cp-titanium grade-2 surfaces prepared with plasma spraying",
volume = "49",
number = "1",
pages = "81-86",
url = "https://hdl.handle.net/21.15107/rcub_vinar_427"
}
Rudolf, R., Stamenković, D., Aleksić, Z., Jenko, M., Đorđević, I., Todorović, A., Jokanović, V.,& Raić, K. T.. (2015). Hydroxyapatite coatings on cp-titanium grade-2 surfaces prepared with plasma spraying. in Materiali in Tehnologije
Inst Za Kovinske Materiale I In Tehnologie, Ljubjana., 49(1), 81-86.
https://hdl.handle.net/21.15107/rcub_vinar_427
Rudolf R, Stamenković D, Aleksić Z, Jenko M, Đorđević I, Todorović A, Jokanović V, Raić KT. Hydroxyapatite coatings on cp-titanium grade-2 surfaces prepared with plasma spraying. in Materiali in Tehnologije. 2015;49(1):81-86.
https://hdl.handle.net/21.15107/rcub_vinar_427 .
Rudolf, Rebeka, Stamenković, Dragoslav, Aleksić, Zoran, Jenko, Monika, Đorđević, Igor, Todorović, Aleksandar, Jokanović, Vukoman, Raić, Karlo T., "Hydroxyapatite coatings on cp-titanium grade-2 surfaces prepared with plasma spraying" in Materiali in Tehnologije, 49, no. 1 (2015):81-86,
https://hdl.handle.net/21.15107/rcub_vinar_427 .
2

Investigations of corrosion on the surface of titanium substrate caused by combined alkaline and heat treatment

Jokanović, Vukoman; Vilotijević, Miroljub; Jokanović, Bojan; Jenko, Monika; Anžel, Ivan; Stamenković, Dragoslav; Lazić, Vojkan; Rudolf, Rebeka

(Pergamon-Elsevier Science Ltd, Oxford, 2014)

TY  - JOUR
AU  - Jokanović, Vukoman
AU  - Vilotijević, Miroljub
AU  - Jokanović, Bojan
AU  - Jenko, Monika
AU  - Anžel, Ivan
AU  - Stamenković, Dragoslav
AU  - Lazić, Vojkan
AU  - Rudolf, Rebeka
PY  - 2014
UR  - https://smile.stomf.bg.ac.rs/handle/123456789/1954
AB  - In this research, the structure changes along the depth gradient layers of titanium substrate, after etching with NaOH and subsequent thermal treatment at various temperatures between 300 and 800 degrees C, were investigated by XRD, FTIR and AES. Particularly, the changes of Ti substrate after etching with NaOH, subsequent ionic exchange of Na+ with Ca2+ ions and thermal treatment at 700 degrees C were analysed. Due to this approach, it was possible to get insight into the chemical changes and changes of Ti oxidation states and consequent phase analysis, along the depth of the titanium oxide coatings. In addition, Secondary Electron Imaging (SEI) showed very interesting nanotopology of all samples. Particularly interesting topology, consisting of very thin nano-designed walls between mutually interconnected pores, was observed for the sample in which Na+ were replaced with Ca2+ ions. This structure might be suitable for deposition of hydroxyapatite by biomimetic or plasma methods and as an appropriate scaffold for cell adhesion and proliferation.
PB  - Pergamon-Elsevier Science Ltd, Oxford
T2  - Corrosion Science
T1  - Investigations of corrosion on the surface of titanium substrate caused by combined alkaline and heat treatment
VL  - 82
SP  - 180
EP  - 190
DO  - 10.1016/j.corsci.2014.01.014
ER  - 
@article{
author = "Jokanović, Vukoman and Vilotijević, Miroljub and Jokanović, Bojan and Jenko, Monika and Anžel, Ivan and Stamenković, Dragoslav and Lazić, Vojkan and Rudolf, Rebeka",
year = "2014",
abstract = "In this research, the structure changes along the depth gradient layers of titanium substrate, after etching with NaOH and subsequent thermal treatment at various temperatures between 300 and 800 degrees C, were investigated by XRD, FTIR and AES. Particularly, the changes of Ti substrate after etching with NaOH, subsequent ionic exchange of Na+ with Ca2+ ions and thermal treatment at 700 degrees C were analysed. Due to this approach, it was possible to get insight into the chemical changes and changes of Ti oxidation states and consequent phase analysis, along the depth of the titanium oxide coatings. In addition, Secondary Electron Imaging (SEI) showed very interesting nanotopology of all samples. Particularly interesting topology, consisting of very thin nano-designed walls between mutually interconnected pores, was observed for the sample in which Na+ were replaced with Ca2+ ions. This structure might be suitable for deposition of hydroxyapatite by biomimetic or plasma methods and as an appropriate scaffold for cell adhesion and proliferation.",
publisher = "Pergamon-Elsevier Science Ltd, Oxford",
journal = "Corrosion Science",
title = "Investigations of corrosion on the surface of titanium substrate caused by combined alkaline and heat treatment",
volume = "82",
pages = "180-190",
doi = "10.1016/j.corsci.2014.01.014"
}
Jokanović, V., Vilotijević, M., Jokanović, B., Jenko, M., Anžel, I., Stamenković, D., Lazić, V.,& Rudolf, R.. (2014). Investigations of corrosion on the surface of titanium substrate caused by combined alkaline and heat treatment. in Corrosion Science
Pergamon-Elsevier Science Ltd, Oxford., 82, 180-190.
https://doi.org/10.1016/j.corsci.2014.01.014
Jokanović V, Vilotijević M, Jokanović B, Jenko M, Anžel I, Stamenković D, Lazić V, Rudolf R. Investigations of corrosion on the surface of titanium substrate caused by combined alkaline and heat treatment. in Corrosion Science. 2014;82:180-190.
doi:10.1016/j.corsci.2014.01.014 .
Jokanović, Vukoman, Vilotijević, Miroljub, Jokanović, Bojan, Jenko, Monika, Anžel, Ivan, Stamenković, Dragoslav, Lazić, Vojkan, Rudolf, Rebeka, "Investigations of corrosion on the surface of titanium substrate caused by combined alkaline and heat treatment" in Corrosion Science, 82 (2014):180-190,
https://doi.org/10.1016/j.corsci.2014.01.014 . .
29
21
30

In vitro assessment of ni-cr and co-cr dental alloys upon recasting: cellular compatibility

Čairović, Aleksandra; Đorđević, Ivan; Bulatović, Mirna; Mojić, Marija; Momcilović, Miljana; Stošic-Grujicić, Stanislava; Maksimović, Vesna; Maksimović-Ivanić, Danijela; Mijatović, Sanja; Stamenković, Dragoslav

(2013)

TY  - JOUR
AU  - Čairović, Aleksandra
AU  - Đorđević, Ivan
AU  - Bulatović, Mirna
AU  - Mojić, Marija
AU  - Momcilović, Miljana
AU  - Stošic-Grujicić, Stanislava
AU  - Maksimović, Vesna
AU  - Maksimović-Ivanić, Danijela
AU  - Mijatović, Sanja
AU  - Stamenković, Dragoslav
PY  - 2013
UR  - https://smile.stomf.bg.ac.rs/handle/123456789/1826
AB  - The aim of this study was to evaluate the effect of recasting of commercially available Ni-Cr (Wiron 99) and Co-Cr (Dentalit C) dental alloys on physiology of microenvironmental cells. The viability of fibrosarcoma (L929) cells, human embrional fibroblasts (MRC-5) and isolated peripheral blood mononuclear cells (PBMC) was measured by MTT and acidic phosphatase tests. Presence of dying cells was estimated by Annexin/PI staining while the production of intracellular nitric oxide (NO), reactive oxygen (ROS) and nitrogen (RNS) species was determined by DAF-FM diacetate and DHR staining. Recasting of Ni-Cr alloy intensified its cytotoxicity manifested through enhanced free radicals production, induction of cell death and permamently diminished cell proliferation. On the other hand, after initial toxic effect cells adapted to the presence of Co-Cr alloys. Independently of recasting, Co-Cr alloys are more compatible with microenvironment then Ni-Cr alloy. Oppositely, recasting of Ni-Cr alloy promoted its toxicity.
T2  - Digest Journal of Nanomaterials & Biostructures
T1  - In vitro assessment of ni-cr and co-cr dental alloys upon recasting: cellular compatibility
VL  - 8
IS  - 2
SP  - 877
EP  - 886
UR  - https://hdl.handle.net/21.15107/rcub_vinar_5620
ER  - 
@article{
author = "Čairović, Aleksandra and Đorđević, Ivan and Bulatović, Mirna and Mojić, Marija and Momcilović, Miljana and Stošic-Grujicić, Stanislava and Maksimović, Vesna and Maksimović-Ivanić, Danijela and Mijatović, Sanja and Stamenković, Dragoslav",
year = "2013",
abstract = "The aim of this study was to evaluate the effect of recasting of commercially available Ni-Cr (Wiron 99) and Co-Cr (Dentalit C) dental alloys on physiology of microenvironmental cells. The viability of fibrosarcoma (L929) cells, human embrional fibroblasts (MRC-5) and isolated peripheral blood mononuclear cells (PBMC) was measured by MTT and acidic phosphatase tests. Presence of dying cells was estimated by Annexin/PI staining while the production of intracellular nitric oxide (NO), reactive oxygen (ROS) and nitrogen (RNS) species was determined by DAF-FM diacetate and DHR staining. Recasting of Ni-Cr alloy intensified its cytotoxicity manifested through enhanced free radicals production, induction of cell death and permamently diminished cell proliferation. On the other hand, after initial toxic effect cells adapted to the presence of Co-Cr alloys. Independently of recasting, Co-Cr alloys are more compatible with microenvironment then Ni-Cr alloy. Oppositely, recasting of Ni-Cr alloy promoted its toxicity.",
journal = "Digest Journal of Nanomaterials & Biostructures",
title = "In vitro assessment of ni-cr and co-cr dental alloys upon recasting: cellular compatibility",
volume = "8",
number = "2",
pages = "877-886",
url = "https://hdl.handle.net/21.15107/rcub_vinar_5620"
}
Čairović, A., Đorđević, I., Bulatović, M., Mojić, M., Momcilović, M., Stošic-Grujicić, S., Maksimović, V., Maksimović-Ivanić, D., Mijatović, S.,& Stamenković, D.. (2013). In vitro assessment of ni-cr and co-cr dental alloys upon recasting: cellular compatibility. in Digest Journal of Nanomaterials & Biostructures, 8(2), 877-886.
https://hdl.handle.net/21.15107/rcub_vinar_5620
Čairović A, Đorđević I, Bulatović M, Mojić M, Momcilović M, Stošic-Grujicić S, Maksimović V, Maksimović-Ivanić D, Mijatović S, Stamenković D. In vitro assessment of ni-cr and co-cr dental alloys upon recasting: cellular compatibility. in Digest Journal of Nanomaterials & Biostructures. 2013;8(2):877-886.
https://hdl.handle.net/21.15107/rcub_vinar_5620 .
Čairović, Aleksandra, Đorđević, Ivan, Bulatović, Mirna, Mojić, Marija, Momcilović, Miljana, Stošic-Grujicić, Stanislava, Maksimović, Vesna, Maksimović-Ivanić, Danijela, Mijatović, Sanja, Stamenković, Dragoslav, "In vitro assessment of ni-cr and co-cr dental alloys upon recasting: cellular compatibility" in Digest Journal of Nanomaterials & Biostructures, 8, no. 2 (2013):877-886,
https://hdl.handle.net/21.15107/rcub_vinar_5620 .
3
3

Aspects of titanium-implant surface modification at the micro and nano levels

Milinković, Iva; Rudolf, Rebeka; Raić, Karlo T.; Aleksić, Zoran; Lazić, Vojkan; Todorović, Aleksandar; Stamenković, Dragoslav

(Institute of Metals and Technology, 2012)

TY  - JOUR
AU  - Milinković, Iva
AU  - Rudolf, Rebeka
AU  - Raić, Karlo T.
AU  - Aleksić, Zoran
AU  - Lazić, Vojkan
AU  - Todorović, Aleksandar
AU  - Stamenković, Dragoslav
PY  - 2012
UR  - https://smile.stomf.bg.ac.rs/handle/123456789/1680
AB  - The shape and chemical composition, as well as the macro- and microtopography, of an implant surface have been studied widely as the major factors that positively influence implant osseointegration. Titanium and titanium alloys have been used extensively over the past 20 years as biomedical materials in orthopedic and dental surgery because of their good mechanical properties, corrosion resistance, no cell toxicity, and very poor inflammatory response in pen-implant tissue, which confirms their high biocompatibility. Their favorable biological performance is attributed to a thin native oxide film that forms spontaneously on the titanium surface. It is well established that surface roughness plays an important role in implant fixation. Accordingly, some authors have indicated the existence of an optimal range of surface roughness. The titanium surface can be either chemically or physically modified, or both, in order to improve biomaterial tissue integration. Different treatments are used to modify the titanium surface. Hydroxyapatite coatings, preceded or not by acid etching, are used to create a rough, potentially bioactive surface. Oxide blasting treatments, either with or without chemical etching, are used to develop rough surfaces. Thick oxide films obtained by anodic or thermal oxidation have been used to accelerate the osseointegration process. The ideal microtopography of the surface is still unknown, however, because it is very difficult to associate surface properties with clinical results. As more accurate knowledge is required, several Ti surfaces have been analyzed and the endosseous implant surface modified on the micro level has been thoroughly studied. Additionally, the production of gold (Au) nanoparticles to be added to the micron-scale modified surface has been performed. In this respect, an appropriate overview of our results is given.
PB  - Institute of Metals and Technology
T2  - Materiali in Tehnologije
T1  - Aspects of titanium-implant surface modification at the micro and nano levels
VL  - 46
IS  - 3
SP  - 251
EP  - 256
UR  - https://hdl.handle.net/21.15107/rcub_smile_1680
ER  - 
@article{
author = "Milinković, Iva and Rudolf, Rebeka and Raić, Karlo T. and Aleksić, Zoran and Lazić, Vojkan and Todorović, Aleksandar and Stamenković, Dragoslav",
year = "2012",
abstract = "The shape and chemical composition, as well as the macro- and microtopography, of an implant surface have been studied widely as the major factors that positively influence implant osseointegration. Titanium and titanium alloys have been used extensively over the past 20 years as biomedical materials in orthopedic and dental surgery because of their good mechanical properties, corrosion resistance, no cell toxicity, and very poor inflammatory response in pen-implant tissue, which confirms their high biocompatibility. Their favorable biological performance is attributed to a thin native oxide film that forms spontaneously on the titanium surface. It is well established that surface roughness plays an important role in implant fixation. Accordingly, some authors have indicated the existence of an optimal range of surface roughness. The titanium surface can be either chemically or physically modified, or both, in order to improve biomaterial tissue integration. Different treatments are used to modify the titanium surface. Hydroxyapatite coatings, preceded or not by acid etching, are used to create a rough, potentially bioactive surface. Oxide blasting treatments, either with or without chemical etching, are used to develop rough surfaces. Thick oxide films obtained by anodic or thermal oxidation have been used to accelerate the osseointegration process. The ideal microtopography of the surface is still unknown, however, because it is very difficult to associate surface properties with clinical results. As more accurate knowledge is required, several Ti surfaces have been analyzed and the endosseous implant surface modified on the micro level has been thoroughly studied. Additionally, the production of gold (Au) nanoparticles to be added to the micron-scale modified surface has been performed. In this respect, an appropriate overview of our results is given.",
publisher = "Institute of Metals and Technology",
journal = "Materiali in Tehnologije",
title = "Aspects of titanium-implant surface modification at the micro and nano levels",
volume = "46",
number = "3",
pages = "251-256",
url = "https://hdl.handle.net/21.15107/rcub_smile_1680"
}
Milinković, I., Rudolf, R., Raić, K. T., Aleksić, Z., Lazić, V., Todorović, A.,& Stamenković, D.. (2012). Aspects of titanium-implant surface modification at the micro and nano levels. in Materiali in Tehnologije
Institute of Metals and Technology., 46(3), 251-256.
https://hdl.handle.net/21.15107/rcub_smile_1680
Milinković I, Rudolf R, Raić KT, Aleksić Z, Lazić V, Todorović A, Stamenković D. Aspects of titanium-implant surface modification at the micro and nano levels. in Materiali in Tehnologije. 2012;46(3):251-256.
https://hdl.handle.net/21.15107/rcub_smile_1680 .
Milinković, Iva, Rudolf, Rebeka, Raić, Karlo T., Aleksić, Zoran, Lazić, Vojkan, Todorović, Aleksandar, Stamenković, Dragoslav, "Aspects of titanium-implant surface modification at the micro and nano levels" in Materiali in Tehnologije, 46, no. 3 (2012):251-256,
https://hdl.handle.net/21.15107/rcub_smile_1680 .
7
6

Quality management in dental health care: Present and future development

Tekić, Jasmina; Majstorović, Vidosav; Marković, Dejan; Nikodijević, Angelina; Stamenković, Dragoslav

(Srpsko lekarsko društvo - Stomatološka sekcija, Beograd, 2011)

TY  - JOUR
AU  - Tekić, Jasmina
AU  - Majstorović, Vidosav
AU  - Marković, Dejan
AU  - Nikodijević, Angelina
AU  - Stamenković, Dragoslav
PY  - 2011
UR  - https://smile.stomf.bg.ac.rs/handle/123456789/1669
AB  - The standards ISO 9000 series, brought in 1987, were the driving force for the development and application of quality management (QM) in various areas, including health care. Currently, there are over one million certificates for quality management (QMC), and they were main initiators of quality improvement. In addition to the model for quality management of products/services, other models are also in use. The aim of this study was to present methods and techniques for quality improvement of health services, with special emphasis on dental health care services (DHS), and possibility for enhancement.
AB  - Standardi serije ISO 9000, doneti 1987. godine, bili su pokretač razvoja i primene principa upravljanja kvalitetom u različitim oblastima, pa i u zdravstvenoj zaštiti. Danas u svetu postoji više od milion sertifikata za upravljanje kvalitetom, tako da se može reći da su oni bili osnovni pokretač unapređenja kvaliteta. Pored modela za upravljanje kvalitetom proizvoda i usluga, danas se u ovoj oblasti koriste različiti modeli. Cilj ovog rada je bio da se predstave metode i tehnike unapređenja kvaliteta zdravstvenih usluga, s posebnim osvrtom na usluge stomatološke zdravstvene zaštite i aspekt unapređenja kvaliteta u njoj.
PB  - Srpsko lekarsko društvo - Stomatološka sekcija, Beograd
T2  - Stomatološki glasnik Srbije
T1  - Quality management in dental health care: Present and future development
T1  - Upravljanje kvalitetom u stomatološkoj zdravstvenoj zaštiti - stanje i budući razvoj
VL  - 58
IS  - 1
SP  - 35
EP  - 43
DO  - 10.2298/SGS1101035T
ER  - 
@article{
author = "Tekić, Jasmina and Majstorović, Vidosav and Marković, Dejan and Nikodijević, Angelina and Stamenković, Dragoslav",
year = "2011",
abstract = "The standards ISO 9000 series, brought in 1987, were the driving force for the development and application of quality management (QM) in various areas, including health care. Currently, there are over one million certificates for quality management (QMC), and they were main initiators of quality improvement. In addition to the model for quality management of products/services, other models are also in use. The aim of this study was to present methods and techniques for quality improvement of health services, with special emphasis on dental health care services (DHS), and possibility for enhancement., Standardi serije ISO 9000, doneti 1987. godine, bili su pokretač razvoja i primene principa upravljanja kvalitetom u različitim oblastima, pa i u zdravstvenoj zaštiti. Danas u svetu postoji više od milion sertifikata za upravljanje kvalitetom, tako da se može reći da su oni bili osnovni pokretač unapređenja kvaliteta. Pored modela za upravljanje kvalitetom proizvoda i usluga, danas se u ovoj oblasti koriste različiti modeli. Cilj ovog rada je bio da se predstave metode i tehnike unapređenja kvaliteta zdravstvenih usluga, s posebnim osvrtom na usluge stomatološke zdravstvene zaštite i aspekt unapređenja kvaliteta u njoj.",
publisher = "Srpsko lekarsko društvo - Stomatološka sekcija, Beograd",
journal = "Stomatološki glasnik Srbije",
title = "Quality management in dental health care: Present and future development, Upravljanje kvalitetom u stomatološkoj zdravstvenoj zaštiti - stanje i budući razvoj",
volume = "58",
number = "1",
pages = "35-43",
doi = "10.2298/SGS1101035T"
}
Tekić, J., Majstorović, V., Marković, D., Nikodijević, A.,& Stamenković, D.. (2011). Quality management in dental health care: Present and future development. in Stomatološki glasnik Srbije
Srpsko lekarsko društvo - Stomatološka sekcija, Beograd., 58(1), 35-43.
https://doi.org/10.2298/SGS1101035T
Tekić J, Majstorović V, Marković D, Nikodijević A, Stamenković D. Quality management in dental health care: Present and future development. in Stomatološki glasnik Srbije. 2011;58(1):35-43.
doi:10.2298/SGS1101035T .
Tekić, Jasmina, Majstorović, Vidosav, Marković, Dejan, Nikodijević, Angelina, Stamenković, Dragoslav, "Quality management in dental health care: Present and future development" in Stomatološki glasnik Srbije, 58, no. 1 (2011):35-43,
https://doi.org/10.2298/SGS1101035T . .

Analysis principles for models of excellence in health care

Tekić, Jasmina; Majstorović, Vidosav; Marković, Dejan; Nikodijević, Angelina; Stamenković, Dragoslav

(Savez inženjera i tehničara Srbije, Beograd, 2011)

TY  - JOUR
AU  - Tekić, Jasmina
AU  - Majstorović, Vidosav
AU  - Marković, Dejan
AU  - Nikodijević, Angelina
AU  - Stamenković, Dragoslav
PY  - 2011
UR  - https://smile.stomf.bg.ac.rs/handle/123456789/1661
AB  - The evolution of concept development, quality management, ranging from models of inspection through quality control, quality assurance, quality management (QMS), total quality management and business models excellence. These models were first created in industry and later spread to services. The ISO 9000 family of standards, published by ISO the 1987th year, were the driving force of development and application of quality management (QM) in various areas, including health care. Today there are over one million certificates for QMS, so that it can be said that they were the main generators of quality improvement. In addition to the model for quality management of products / services, nowadays in the field of quality other quality management models are used too. Here we explore the development of models of business excellence (BE) for the dental health care.
AB  - Evolucija razvoja koncepta menadžmenta kvalitetom, se kretala od modela inspekcije, preko kontrole kvaliteta, obezbeđenja kvaliteta, menadžmenta kvalitetom (QMS), menadžmenta totalnim kvalitetom i poslovnom izvršnošću. Ovi modeli su prvo nastali u industriji a kasnije su se proširili i na usluge. Standardi ISO 9000 serije, doneti 1987. godine, bili su pokretač razvoja i primene menadžmenta kvalitetom ( QM-a) u različitim oblastima, pa i u zdravstvenoj zaštiti. Danas u svetu postoji preko milion sertifikata za QMS, tako da se može reći da su oni bili osnovni generator unapređenja kvaliteta. Pored modela za upravljanje kvalitetom proizvoda / usluge, danas se u oblasti kvaliteta koriste i drugi modeli upravljanja kvalitetom. Ovde se istražuje razvoj modela poslovne izvrsnosti (BE) za oblast stomatološke zdravstvene zaštite (SZZ).
PB  - Savez inženjera i tehničara Srbije, Beograd
T2  - Tehnika
T1  - Analysis principles for models of excellence in health care
T1  - Analiza principa za modele izvrsnosti u zdravstvenoj zaštiti
VL  - 66
IS  - 2
SP  - 335
EP  - 342
UR  - https://hdl.handle.net/21.15107/rcub_smile_1661
ER  - 
@article{
author = "Tekić, Jasmina and Majstorović, Vidosav and Marković, Dejan and Nikodijević, Angelina and Stamenković, Dragoslav",
year = "2011",
abstract = "The evolution of concept development, quality management, ranging from models of inspection through quality control, quality assurance, quality management (QMS), total quality management and business models excellence. These models were first created in industry and later spread to services. The ISO 9000 family of standards, published by ISO the 1987th year, were the driving force of development and application of quality management (QM) in various areas, including health care. Today there are over one million certificates for QMS, so that it can be said that they were the main generators of quality improvement. In addition to the model for quality management of products / services, nowadays in the field of quality other quality management models are used too. Here we explore the development of models of business excellence (BE) for the dental health care., Evolucija razvoja koncepta menadžmenta kvalitetom, se kretala od modela inspekcije, preko kontrole kvaliteta, obezbeđenja kvaliteta, menadžmenta kvalitetom (QMS), menadžmenta totalnim kvalitetom i poslovnom izvršnošću. Ovi modeli su prvo nastali u industriji a kasnije su se proširili i na usluge. Standardi ISO 9000 serije, doneti 1987. godine, bili su pokretač razvoja i primene menadžmenta kvalitetom ( QM-a) u različitim oblastima, pa i u zdravstvenoj zaštiti. Danas u svetu postoji preko milion sertifikata za QMS, tako da se može reći da su oni bili osnovni generator unapređenja kvaliteta. Pored modela za upravljanje kvalitetom proizvoda / usluge, danas se u oblasti kvaliteta koriste i drugi modeli upravljanja kvalitetom. Ovde se istražuje razvoj modela poslovne izvrsnosti (BE) za oblast stomatološke zdravstvene zaštite (SZZ).",
publisher = "Savez inženjera i tehničara Srbije, Beograd",
journal = "Tehnika",
title = "Analysis principles for models of excellence in health care, Analiza principa za modele izvrsnosti u zdravstvenoj zaštiti",
volume = "66",
number = "2",
pages = "335-342",
url = "https://hdl.handle.net/21.15107/rcub_smile_1661"
}
Tekić, J., Majstorović, V., Marković, D., Nikodijević, A.,& Stamenković, D.. (2011). Analysis principles for models of excellence in health care. in Tehnika
Savez inženjera i tehničara Srbije, Beograd., 66(2), 335-342.
https://hdl.handle.net/21.15107/rcub_smile_1661
Tekić J, Majstorović V, Marković D, Nikodijević A, Stamenković D. Analysis principles for models of excellence in health care. in Tehnika. 2011;66(2):335-342.
https://hdl.handle.net/21.15107/rcub_smile_1661 .
Tekić, Jasmina, Majstorović, Vidosav, Marković, Dejan, Nikodijević, Angelina, Stamenković, Dragoslav, "Analysis principles for models of excellence in health care" in Tehnika, 66, no. 2 (2011):335-342,
https://hdl.handle.net/21.15107/rcub_smile_1661 .

Main criteria for models of excellence in health care

Tekić, Jasmina; Majstorović, Vidosav; Marković, Dejan; Nikodijević, Angelina; Stamenković, Dragoslav

(Srpsko lekarsko društvo - Stomatološka sekcija, Beograd, 2011)

TY  - JOUR
AU  - Tekić, Jasmina
AU  - Majstorović, Vidosav
AU  - Marković, Dejan
AU  - Nikodijević, Angelina
AU  - Stamenković, Dragoslav
PY  - 2011
UR  - https://smile.stomf.bg.ac.rs/handle/123456789/1659
AB  - Business excellence models have a long history of development of sixty years. Today, the business excellence model can be essentially classified as world's most famous models/awards for excellence (Japanese, American and European), the most popular national models of excellence (the Australian, British, German, French), as well as models of excellence companies (Siemens, Philips, Toyota). In the world today there are about 120 models of excellence. The best way to improve quality of health organizations that have systems of quality management is by application of the concept of total quality (TQM). This approach ensures the improvement of overall performance of health organizations, primarily the internal organization including management, resources, processes and human resources, health services and performance of business results. The market requires high quality products and services to improve the quality of life, or TQM excellence models in all areas of social subjects operations. It is a process that never ends, and knowing the nature of man who was never satisfied with achieved, that is main driving force for social development. We are witnesses today that some countries are introducing awards to organizations which succeeded in implementation of TQM and models of excellence for quality achievement. The development of a model of business excellence (BE) for dental health care is the main subject of the current study. The aim of this study is to present and analyze the existing criteria for product excellence and based on that, to define criteria for models of excellence for dental health care in Serbia.
AB  - Istorija razvoja modela poslovne izvrsnosti duga je šezdeset godina. Oni se u osnovi mogu klasifikovati na: najpoznatije svetske modele - nagrade za izvrsnost (japanski, američki i evropski), najpoznatije nacionalne modele izvrsnosti (australijski, britanski, nemački, francuski) i kompanijske modele izvrsnosti (Siemens, Philips, Toyota). Danas u svetu postoji oko 120 modela izvrsnosti. Najbolji način za unapređenje kvaliteta zdravstvene organizacije jeste primena koncepta 'upravljanja ukupnim kvalitetom'. Ovaj pristup obezbeđuje unapređenje celokupnog poslovanja zdravstvene organizacije, prvenstveno interne organizacije, koja uključuje rukovodstvo, resurse, procese, kadrove, zdravstvene usluge i primenu poslovnih rezultata. Na tržištu se zahteva visok kvalitet proizvoda i usluga radi poboljšanja kvaliteta življenja, odnosno koncepta upravljanja ukupnim kvalitetom preko modela izvrsnosti poslovanja svih subjekata društva. To je proces bez kraja, poznavajući prirodu čoveka, koji nikada nije zadovoljan postignutim, što je osnovna pokretačka snaga razvoja društva. Svedoci smo da neke države uvode priznanja za organizacije koje su u određenom periodu napravile relevantan uspeh u primeni koncepta upravljanja ukupnim kvalitetom, odnosno u ostvarivanju modela izvrsnosti u postizanju kvaliteta. Ovde se istražuje razvoj modela poslovne izvrsnosti za oblast stomatološke zdravstvene zaštite. Cilj rada bio je da se predstave i analiziraju kriterijumi za model izvrsnosti, te na osnovu toga definišu kriterijumi modela izvrsnosti za stomatološku zdravstvenu zaštitu u Republici Srbiji.
PB  - Srpsko lekarsko društvo - Stomatološka sekcija, Beograd
T2  - Stomatološki glasnik Srbije
T1  - Main criteria for models of excellence in health care
T1  - Glavni kriterijumi za modele izvrsnosti u zdravstvenoj zaštiti
VL  - 58
IS  - 3
SP  - 147
EP  - 155
DO  - 10.2298/SGS1103147T
ER  - 
@article{
author = "Tekić, Jasmina and Majstorović, Vidosav and Marković, Dejan and Nikodijević, Angelina and Stamenković, Dragoslav",
year = "2011",
abstract = "Business excellence models have a long history of development of sixty years. Today, the business excellence model can be essentially classified as world's most famous models/awards for excellence (Japanese, American and European), the most popular national models of excellence (the Australian, British, German, French), as well as models of excellence companies (Siemens, Philips, Toyota). In the world today there are about 120 models of excellence. The best way to improve quality of health organizations that have systems of quality management is by application of the concept of total quality (TQM). This approach ensures the improvement of overall performance of health organizations, primarily the internal organization including management, resources, processes and human resources, health services and performance of business results. The market requires high quality products and services to improve the quality of life, or TQM excellence models in all areas of social subjects operations. It is a process that never ends, and knowing the nature of man who was never satisfied with achieved, that is main driving force for social development. We are witnesses today that some countries are introducing awards to organizations which succeeded in implementation of TQM and models of excellence for quality achievement. The development of a model of business excellence (BE) for dental health care is the main subject of the current study. The aim of this study is to present and analyze the existing criteria for product excellence and based on that, to define criteria for models of excellence for dental health care in Serbia., Istorija razvoja modela poslovne izvrsnosti duga je šezdeset godina. Oni se u osnovi mogu klasifikovati na: najpoznatije svetske modele - nagrade za izvrsnost (japanski, američki i evropski), najpoznatije nacionalne modele izvrsnosti (australijski, britanski, nemački, francuski) i kompanijske modele izvrsnosti (Siemens, Philips, Toyota). Danas u svetu postoji oko 120 modela izvrsnosti. Najbolji način za unapređenje kvaliteta zdravstvene organizacije jeste primena koncepta 'upravljanja ukupnim kvalitetom'. Ovaj pristup obezbeđuje unapređenje celokupnog poslovanja zdravstvene organizacije, prvenstveno interne organizacije, koja uključuje rukovodstvo, resurse, procese, kadrove, zdravstvene usluge i primenu poslovnih rezultata. Na tržištu se zahteva visok kvalitet proizvoda i usluga radi poboljšanja kvaliteta življenja, odnosno koncepta upravljanja ukupnim kvalitetom preko modela izvrsnosti poslovanja svih subjekata društva. To je proces bez kraja, poznavajući prirodu čoveka, koji nikada nije zadovoljan postignutim, što je osnovna pokretačka snaga razvoja društva. Svedoci smo da neke države uvode priznanja za organizacije koje su u određenom periodu napravile relevantan uspeh u primeni koncepta upravljanja ukupnim kvalitetom, odnosno u ostvarivanju modela izvrsnosti u postizanju kvaliteta. Ovde se istražuje razvoj modela poslovne izvrsnosti za oblast stomatološke zdravstvene zaštite. Cilj rada bio je da se predstave i analiziraju kriterijumi za model izvrsnosti, te na osnovu toga definišu kriterijumi modela izvrsnosti za stomatološku zdravstvenu zaštitu u Republici Srbiji.",
publisher = "Srpsko lekarsko društvo - Stomatološka sekcija, Beograd",
journal = "Stomatološki glasnik Srbije",
title = "Main criteria for models of excellence in health care, Glavni kriterijumi za modele izvrsnosti u zdravstvenoj zaštiti",
volume = "58",
number = "3",
pages = "147-155",
doi = "10.2298/SGS1103147T"
}
Tekić, J., Majstorović, V., Marković, D., Nikodijević, A.,& Stamenković, D.. (2011). Main criteria for models of excellence in health care. in Stomatološki glasnik Srbije
Srpsko lekarsko društvo - Stomatološka sekcija, Beograd., 58(3), 147-155.
https://doi.org/10.2298/SGS1103147T
Tekić J, Majstorović V, Marković D, Nikodijević A, Stamenković D. Main criteria for models of excellence in health care. in Stomatološki glasnik Srbije. 2011;58(3):147-155.
doi:10.2298/SGS1103147T .
Tekić, Jasmina, Majstorović, Vidosav, Marković, Dejan, Nikodijević, Angelina, Stamenković, Dragoslav, "Main criteria for models of excellence in health care" in Stomatološki glasnik Srbije, 58, no. 3 (2011):147-155,
https://doi.org/10.2298/SGS1103147T . .

Stress-strain analysis of an abutment tooth with rest seat prepared in a composite restoration

Tihaček-Šojić, Ljiljana; Milić-Lemić, Aleksandra; Stamenković, Dragoslav; Lazić, Vojkan; Rudolf, Rebeka; Todorović, Aleksandar

(Institute of Metals and Technology, 2011)

TY  - JOUR
AU  - Tihaček-Šojić, Ljiljana
AU  - Milić-Lemić, Aleksandra
AU  - Stamenković, Dragoslav
AU  - Lazić, Vojkan
AU  - Rudolf, Rebeka
AU  - Todorović, Aleksandar
PY  - 2011
UR  - https://smile.stomf.bg.ac.rs/handle/123456789/1656
AB  - Placing a composite restoration on abutments for the removable of partial dentures gives favorable aesthetic results with minimal intervention. The objective of this paper is to analyze the stress distribution of a tooth with occlusal rest-seat preparation in the composite and compare it to the biomechanical behavior of an intact tooth, assuming that the stress and strain distribution throughout the intact tooth provides the control scenario. For this finite-element study two different models were designed. The first model was the three-dimensional (3D) model of an intact tooth, and the other one was a 3D model of a tooth with a composite restoration and an appropriate occlusal rest-seat preparation. Load stimulations were performed when the rest was fully seated on its corresponding rest seat and abutment tooth in order to obtain data about the biomechanical behavior of the abutment tooth compared to the intact tooth's stress-distribution pattern. The results of our analyses are presented and analyzed qualitatively. The occlusal loading effect along the sound tooth exhibits a wider high-stress area, localized in correspondence with the occlusal enamel, than the restored teeth. This is due to the rigidity of the enamel. The reduction in the stress values occurs in the composite restoration, which is less rigid. Its lower rigidity allows larger cusp movements. The stress-distribution pattern of the restored tooth with the rest seat showed that introducing an occlusal restoration does not differ from the intact tooth globally, but locally. Our findings indicate that the composite rest-seat restoration absorbs the loading, so reducing the stresses inside the tooth's structure.
PB  - Institute of Metals and Technology
T2  - Materiali in Tehnologije
T1  - Stress-strain analysis of an abutment tooth with rest seat prepared in a composite restoration
VL  - 45
IS  - 6
SP  - 561
EP  - 566
UR  - https://hdl.handle.net/21.15107/rcub_smile_1656
ER  - 
@article{
author = "Tihaček-Šojić, Ljiljana and Milić-Lemić, Aleksandra and Stamenković, Dragoslav and Lazić, Vojkan and Rudolf, Rebeka and Todorović, Aleksandar",
year = "2011",
abstract = "Placing a composite restoration on abutments for the removable of partial dentures gives favorable aesthetic results with minimal intervention. The objective of this paper is to analyze the stress distribution of a tooth with occlusal rest-seat preparation in the composite and compare it to the biomechanical behavior of an intact tooth, assuming that the stress and strain distribution throughout the intact tooth provides the control scenario. For this finite-element study two different models were designed. The first model was the three-dimensional (3D) model of an intact tooth, and the other one was a 3D model of a tooth with a composite restoration and an appropriate occlusal rest-seat preparation. Load stimulations were performed when the rest was fully seated on its corresponding rest seat and abutment tooth in order to obtain data about the biomechanical behavior of the abutment tooth compared to the intact tooth's stress-distribution pattern. The results of our analyses are presented and analyzed qualitatively. The occlusal loading effect along the sound tooth exhibits a wider high-stress area, localized in correspondence with the occlusal enamel, than the restored teeth. This is due to the rigidity of the enamel. The reduction in the stress values occurs in the composite restoration, which is less rigid. Its lower rigidity allows larger cusp movements. The stress-distribution pattern of the restored tooth with the rest seat showed that introducing an occlusal restoration does not differ from the intact tooth globally, but locally. Our findings indicate that the composite rest-seat restoration absorbs the loading, so reducing the stresses inside the tooth's structure.",
publisher = "Institute of Metals and Technology",
journal = "Materiali in Tehnologije",
title = "Stress-strain analysis of an abutment tooth with rest seat prepared in a composite restoration",
volume = "45",
number = "6",
pages = "561-566",
url = "https://hdl.handle.net/21.15107/rcub_smile_1656"
}
Tihaček-Šojić, L., Milić-Lemić, A., Stamenković, D., Lazić, V., Rudolf, R.,& Todorović, A.. (2011). Stress-strain analysis of an abutment tooth with rest seat prepared in a composite restoration. in Materiali in Tehnologije
Institute of Metals and Technology., 45(6), 561-566.
https://hdl.handle.net/21.15107/rcub_smile_1656
Tihaček-Šojić L, Milić-Lemić A, Stamenković D, Lazić V, Rudolf R, Todorović A. Stress-strain analysis of an abutment tooth with rest seat prepared in a composite restoration. in Materiali in Tehnologije. 2011;45(6):561-566.
https://hdl.handle.net/21.15107/rcub_smile_1656 .
Tihaček-Šojić, Ljiljana, Milić-Lemić, Aleksandra, Stamenković, Dragoslav, Lazić, Vojkan, Rudolf, Rebeka, Todorović, Aleksandar, "Stress-strain analysis of an abutment tooth with rest seat prepared in a composite restoration" in Materiali in Tehnologije, 45, no. 6 (2011):561-566,
https://hdl.handle.net/21.15107/rcub_smile_1656 .
1
3

CFD analysis of exothermic reactions in al-au nano multi-layered foils

Raić, Karlo T.; Rudolf, Rebeka; Ternik, Primoz; Zunić, Zoran; Lazić, Vojkan; Stamenković, Dragoslav; Tanasković, Tatjana; Anžel, Ivan

(Institute of Metals and Technology, 2011)

TY  - JOUR
AU  - Raić, Karlo T.
AU  - Rudolf, Rebeka
AU  - Ternik, Primoz
AU  - Zunić, Zoran
AU  - Lazić, Vojkan
AU  - Stamenković, Dragoslav
AU  - Tanasković, Tatjana
AU  - Anžel, Ivan
PY  - 2011
UR  - https://smile.stomf.bg.ac.rs/handle/123456789/1642
AB  - This work presents the possibility of numerical modelling using Computational Fluid Dynamics (CFD) in the field of nano-foils. The governing equations were solved using a Finite Volume Methodology (FVM). The computational domain was discretized using a uniform Cartesian grid with the appropriate mesh size along the x and y directions employing the corresponding number of grid points. The field variables were discretized at the cell centres and the spatial, as well as the time, derivatives were approximated using the second-order accurate numerical scheme. The time-evolution of the temperature and concentration fields, as well as the atomic diffusion coefficient, will be presented for the appropriate Al-Au nano-foil geometry and boundary conditions.
PB  - Institute of Metals and Technology
T2  - Materiali in Tehnologije
T1  - CFD analysis of exothermic reactions in al-au nano multi-layered foils
VL  - 45
IS  - 4
SP  - 335
EP  - 338
UR  - https://hdl.handle.net/21.15107/rcub_smile_1642
ER  - 
@article{
author = "Raić, Karlo T. and Rudolf, Rebeka and Ternik, Primoz and Zunić, Zoran and Lazić, Vojkan and Stamenković, Dragoslav and Tanasković, Tatjana and Anžel, Ivan",
year = "2011",
abstract = "This work presents the possibility of numerical modelling using Computational Fluid Dynamics (CFD) in the field of nano-foils. The governing equations were solved using a Finite Volume Methodology (FVM). The computational domain was discretized using a uniform Cartesian grid with the appropriate mesh size along the x and y directions employing the corresponding number of grid points. The field variables were discretized at the cell centres and the spatial, as well as the time, derivatives were approximated using the second-order accurate numerical scheme. The time-evolution of the temperature and concentration fields, as well as the atomic diffusion coefficient, will be presented for the appropriate Al-Au nano-foil geometry and boundary conditions.",
publisher = "Institute of Metals and Technology",
journal = "Materiali in Tehnologije",
title = "CFD analysis of exothermic reactions in al-au nano multi-layered foils",
volume = "45",
number = "4",
pages = "335-338",
url = "https://hdl.handle.net/21.15107/rcub_smile_1642"
}
Raić, K. T., Rudolf, R., Ternik, P., Zunić, Z., Lazić, V., Stamenković, D., Tanasković, T.,& Anžel, I.. (2011). CFD analysis of exothermic reactions in al-au nano multi-layered foils. in Materiali in Tehnologije
Institute of Metals and Technology., 45(4), 335-338.
https://hdl.handle.net/21.15107/rcub_smile_1642
Raić KT, Rudolf R, Ternik P, Zunić Z, Lazić V, Stamenković D, Tanasković T, Anžel I. CFD analysis of exothermic reactions in al-au nano multi-layered foils. in Materiali in Tehnologije. 2011;45(4):335-338.
https://hdl.handle.net/21.15107/rcub_smile_1642 .
Raić, Karlo T., Rudolf, Rebeka, Ternik, Primoz, Zunić, Zoran, Lazić, Vojkan, Stamenković, Dragoslav, Tanasković, Tatjana, Anžel, Ivan, "CFD analysis of exothermic reactions in al-au nano multi-layered foils" in Materiali in Tehnologije, 45, no. 4 (2011):335-338,
https://hdl.handle.net/21.15107/rcub_smile_1642 .
4
8

Accuracy of ceramic crowns made by optical scanning methods of Cerec®3D system

Todorović, Aleksandar; Trifković, Branka; Stamenković, Dragoslav

(Univerzitet u Nišu - Medicinski fakultet, Niš i Klinika za stomatologiju, Niš, 2010)

TY  - JOUR
AU  - Todorović, Aleksandar
AU  - Trifković, Branka
AU  - Stamenković, Dragoslav
PY  - 2010
UR  - https://smile.stomf.bg.ac.rs/handle/123456789/1602
AB  - Introduction: The results of many years technological development of Cerec® 3D CAD/CAM system, is implementation one intraoral and two extraoral optical scanning methods. Aim: The aim of this study was to determine the precision of ceramic crowns made by optical scanning methods of Cerec®3D system. Methods: The study was conducted in three experimental groups of ceramic crowns in whose manufacturing was applied three optical scanning methods of Cerec®3D system. Control group consisted of metalceramic crowns made by conventional methodology. The accuracy of ceramic crowns was examined by measuring of the marginal gap size between edge of crowns and demarcation by scanning electron microscope (SEM). Results: The research found, that there is a difference in the accuracy of ceramic crowns made by Cerec®3D system. The highest level of accuracy was recorded in the group of crowns made by technique extraoral optical superficial scanning (31,64±9,45μ). Marginal gap size crowns made with technique intraoral optical superficial scanning showed a lower level of accuracy (50,27±31,50μ). Value of marginal gap size crowns made by technique extraoral laser point scanning was 102,58+31,23μ. Conclusion: Ceramic crowns made by Cerec®3D optical scanners show a high and clinically acceptable precision level.
AB  - Uvod: Dugogodišnji razvoj Cerec®3D CAD/CAM sistema implementirao je u praktičnu upotrebu jednu intraoralnu i dve ekstraoralne metode optičkog skeniranja. Cilj: Cilj rada je bio da se utvrdi stepen preciznosti keramičkih kruna izrađenih primenom različitih tehnika optičkog skeniranja Cerec®3D sistema. Materijal i metod: Ispitivanje je sprovedeno u okviru tri eksperimentalne grupe kruna u čijoj izradi su primenjeni različiti postupci skeniranja Cerec®3D sistema. Metalokeramičke krune izrađene konvencionalnom metodologijom predstavljale su kontrolnu grupu. Preciznost kruna ispitivana je merenjem veličine marginalnog zjapa između ruba krune i demarkacije preparacije pomoću skenirajućeg elektronskog mikroskopa (SEM). Rezultati: Rezultati istraživanja pokazuju da postoji razlika u preciznosti kruna izrađenih primenom različitih metoda skeniranja Cerec®3D sistema. Najviši stepen preciznosti (31,64±9,45μ) zabeležen je kod kruna u čijoj izradi je primenjena tehnika optičkog ekstraoralnog površinskog skeniranja, nešto niži stepen preciznosti (50,27±31,50μ) imale su krune izrađene tehnikom intraoralnog optičkog površinskog skeniranja. Krune izrađene primenom tehnike ekstraoralnog tačkastog skeniranja imale su stepen preciznosti od 102,58±31,23μ. Zaključak: Krune izrađene primenom optičkih metoda skeniranja Cerec 3D sistema pokazuju visok i klinički prihvatljiv stepen preciznosti.
PB  - Univerzitet u Nišu - Medicinski fakultet, Niš i Klinika za stomatologiju, Niš
T2  - Acta stomatologica Naissi
T1  - Accuracy of ceramic crowns made by optical scanning methods of Cerec®3D system
T1  - Preciznost keramičkih kruna izrađenih primenom optičkih metoda skeniranja Cerec3D sistema
VL  - 26
IS  - 62
SP  - 977
EP  - 986
UR  - https://hdl.handle.net/21.15107/rcub_smile_1602
ER  - 
@article{
author = "Todorović, Aleksandar and Trifković, Branka and Stamenković, Dragoslav",
year = "2010",
abstract = "Introduction: The results of many years technological development of Cerec® 3D CAD/CAM system, is implementation one intraoral and two extraoral optical scanning methods. Aim: The aim of this study was to determine the precision of ceramic crowns made by optical scanning methods of Cerec®3D system. Methods: The study was conducted in three experimental groups of ceramic crowns in whose manufacturing was applied three optical scanning methods of Cerec®3D system. Control group consisted of metalceramic crowns made by conventional methodology. The accuracy of ceramic crowns was examined by measuring of the marginal gap size between edge of crowns and demarcation by scanning electron microscope (SEM). Results: The research found, that there is a difference in the accuracy of ceramic crowns made by Cerec®3D system. The highest level of accuracy was recorded in the group of crowns made by technique extraoral optical superficial scanning (31,64±9,45μ). Marginal gap size crowns made with technique intraoral optical superficial scanning showed a lower level of accuracy (50,27±31,50μ). Value of marginal gap size crowns made by technique extraoral laser point scanning was 102,58+31,23μ. Conclusion: Ceramic crowns made by Cerec®3D optical scanners show a high and clinically acceptable precision level., Uvod: Dugogodišnji razvoj Cerec®3D CAD/CAM sistema implementirao je u praktičnu upotrebu jednu intraoralnu i dve ekstraoralne metode optičkog skeniranja. Cilj: Cilj rada je bio da se utvrdi stepen preciznosti keramičkih kruna izrađenih primenom različitih tehnika optičkog skeniranja Cerec®3D sistema. Materijal i metod: Ispitivanje je sprovedeno u okviru tri eksperimentalne grupe kruna u čijoj izradi su primenjeni različiti postupci skeniranja Cerec®3D sistema. Metalokeramičke krune izrađene konvencionalnom metodologijom predstavljale su kontrolnu grupu. Preciznost kruna ispitivana je merenjem veličine marginalnog zjapa između ruba krune i demarkacije preparacije pomoću skenirajućeg elektronskog mikroskopa (SEM). Rezultati: Rezultati istraživanja pokazuju da postoji razlika u preciznosti kruna izrađenih primenom različitih metoda skeniranja Cerec®3D sistema. Najviši stepen preciznosti (31,64±9,45μ) zabeležen je kod kruna u čijoj izradi je primenjena tehnika optičkog ekstraoralnog površinskog skeniranja, nešto niži stepen preciznosti (50,27±31,50μ) imale su krune izrađene tehnikom intraoralnog optičkog površinskog skeniranja. Krune izrađene primenom tehnike ekstraoralnog tačkastog skeniranja imale su stepen preciznosti od 102,58±31,23μ. Zaključak: Krune izrađene primenom optičkih metoda skeniranja Cerec 3D sistema pokazuju visok i klinički prihvatljiv stepen preciznosti.",
publisher = "Univerzitet u Nišu - Medicinski fakultet, Niš i Klinika za stomatologiju, Niš",
journal = "Acta stomatologica Naissi",
title = "Accuracy of ceramic crowns made by optical scanning methods of Cerec®3D system, Preciznost keramičkih kruna izrađenih primenom optičkih metoda skeniranja Cerec3D sistema",
volume = "26",
number = "62",
pages = "977-986",
url = "https://hdl.handle.net/21.15107/rcub_smile_1602"
}
Todorović, A., Trifković, B.,& Stamenković, D.. (2010). Accuracy of ceramic crowns made by optical scanning methods of Cerec®3D system. in Acta stomatologica Naissi
Univerzitet u Nišu - Medicinski fakultet, Niš i Klinika za stomatologiju, Niš., 26(62), 977-986.
https://hdl.handle.net/21.15107/rcub_smile_1602
Todorović A, Trifković B, Stamenković D. Accuracy of ceramic crowns made by optical scanning methods of Cerec®3D system. in Acta stomatologica Naissi. 2010;26(62):977-986.
https://hdl.handle.net/21.15107/rcub_smile_1602 .
Todorović, Aleksandar, Trifković, Branka, Stamenković, Dragoslav, "Accuracy of ceramic crowns made by optical scanning methods of Cerec®3D system" in Acta stomatologica Naissi, 26, no. 62 (2010):977-986,
https://hdl.handle.net/21.15107/rcub_smile_1602 .
1

Relationship between microstructure, cytotoxicity and corrosion properties of a Cu-Al-Ni shape memory alloy

Čolić, Miodrag; Rudolf, Rebeka; Stamenković, Dragoslav; Anžel, Ivan; Vucević, Dragana; Jenko, Monika; Lazić, Vojkan; Lojen, Gorazd

(Elsevier Sci Ltd, Oxford, 2010)

TY  - JOUR
AU  - Čolić, Miodrag
AU  - Rudolf, Rebeka
AU  - Stamenković, Dragoslav
AU  - Anžel, Ivan
AU  - Vucević, Dragana
AU  - Jenko, Monika
AU  - Lazić, Vojkan
AU  - Lojen, Gorazd
PY  - 2010
UR  - https://smile.stomf.bg.ac.rs/handle/123456789/1553
AB  - Cu-Al-Ni shape memory alloys (SMAs) have been investigated as materials for medical devices, but their biomedical application is still limited. The aim of this work was to compare the microstructure, corrosion and cytotoxicity in vitro of a Cu-Al-Ni SMA. Rapidly solidified (RS) thin ribbons, manufactured via melt spinning, were used for the tests. The control alloy was a permanent mould casting of the same composition, but without shape memory effect. The results show that RS ribbons are significantly more resistant to corrosion compared with the control alloy, as judged by the lesser release of Cu and Ni into the conditioning medium. These results correlate with the finding that RS ribbons were not cytotoxic to L929 mouse fibroblasts and rat thymocytes. In addition, the RS ribbon conditioning medium inhibited cellular proliferation and IL-2 production by activated rat splenocytes to a much lesser extent. The inhibitory effects were almost completely abolished by conditioning the RS ribbons in culture medium for 4 weeks. Microstructural analysis showed that RS ribbons are martensitic, with boron particles as a minor phase. In contrast, the control Cu-Al-Ni alloy had a complex multiphase microstructure. Examination of the alloy surfaces after conditioning by energy dispersive X-ray and Auger electron spectroscopy showed the formation of Cu and Al oxide layers and confirmed that the metals in RS ribbons are less susceptible to oxidation and corrosion compared with the control alloy. In conclusion, these results suggest that rapid solidification significantly improves the corrosion stability and biocompatibility in vitro of Cu-Al-Ni SMA ribbons.
PB  - Elsevier Sci Ltd, Oxford
T2  - Acta Biomaterialia
T1  - Relationship between microstructure, cytotoxicity and corrosion properties of a Cu-Al-Ni shape memory alloy
VL  - 6
IS  - 1
SP  - 308
EP  - 317
DO  - 10.1016/j.actbio.2009.06.027
ER  - 
@article{
author = "Čolić, Miodrag and Rudolf, Rebeka and Stamenković, Dragoslav and Anžel, Ivan and Vucević, Dragana and Jenko, Monika and Lazić, Vojkan and Lojen, Gorazd",
year = "2010",
abstract = "Cu-Al-Ni shape memory alloys (SMAs) have been investigated as materials for medical devices, but their biomedical application is still limited. The aim of this work was to compare the microstructure, corrosion and cytotoxicity in vitro of a Cu-Al-Ni SMA. Rapidly solidified (RS) thin ribbons, manufactured via melt spinning, were used for the tests. The control alloy was a permanent mould casting of the same composition, but without shape memory effect. The results show that RS ribbons are significantly more resistant to corrosion compared with the control alloy, as judged by the lesser release of Cu and Ni into the conditioning medium. These results correlate with the finding that RS ribbons were not cytotoxic to L929 mouse fibroblasts and rat thymocytes. In addition, the RS ribbon conditioning medium inhibited cellular proliferation and IL-2 production by activated rat splenocytes to a much lesser extent. The inhibitory effects were almost completely abolished by conditioning the RS ribbons in culture medium for 4 weeks. Microstructural analysis showed that RS ribbons are martensitic, with boron particles as a minor phase. In contrast, the control Cu-Al-Ni alloy had a complex multiphase microstructure. Examination of the alloy surfaces after conditioning by energy dispersive X-ray and Auger electron spectroscopy showed the formation of Cu and Al oxide layers and confirmed that the metals in RS ribbons are less susceptible to oxidation and corrosion compared with the control alloy. In conclusion, these results suggest that rapid solidification significantly improves the corrosion stability and biocompatibility in vitro of Cu-Al-Ni SMA ribbons.",
publisher = "Elsevier Sci Ltd, Oxford",
journal = "Acta Biomaterialia",
title = "Relationship between microstructure, cytotoxicity and corrosion properties of a Cu-Al-Ni shape memory alloy",
volume = "6",
number = "1",
pages = "308-317",
doi = "10.1016/j.actbio.2009.06.027"
}
Čolić, M., Rudolf, R., Stamenković, D., Anžel, I., Vucević, D., Jenko, M., Lazić, V.,& Lojen, G.. (2010). Relationship between microstructure, cytotoxicity and corrosion properties of a Cu-Al-Ni shape memory alloy. in Acta Biomaterialia
Elsevier Sci Ltd, Oxford., 6(1), 308-317.
https://doi.org/10.1016/j.actbio.2009.06.027
Čolić M, Rudolf R, Stamenković D, Anžel I, Vucević D, Jenko M, Lazić V, Lojen G. Relationship between microstructure, cytotoxicity and corrosion properties of a Cu-Al-Ni shape memory alloy. in Acta Biomaterialia. 2010;6(1):308-317.
doi:10.1016/j.actbio.2009.06.027 .
Čolić, Miodrag, Rudolf, Rebeka, Stamenković, Dragoslav, Anžel, Ivan, Vucević, Dragana, Jenko, Monika, Lazić, Vojkan, Lojen, Gorazd, "Relationship between microstructure, cytotoxicity and corrosion properties of a Cu-Al-Ni shape memory alloy" in Acta Biomaterialia, 6, no. 1 (2010):308-317,
https://doi.org/10.1016/j.actbio.2009.06.027 . .
46
37
51

Stress analysis of a unilateral complex partial denture using the finite-element method

Todorović, Aleksandar; Radović, Katarina; Grbović, Aleksandar; Rudolf, Rebeka; Maksimović, Ivana; Stamenković, Dragoslav

(Institute of Metals and Technology, 2010)

TY  - JOUR
AU  - Todorović, Aleksandar
AU  - Radović, Katarina
AU  - Grbović, Aleksandar
AU  - Rudolf, Rebeka
AU  - Maksimović, Ivana
AU  - Stamenković, Dragoslav
PY  - 2010
UR  - https://smile.stomf.bg.ac.rs/handle/123456789/1550
AB  - Different types of dental restorations are used in the treatment Of a unilateral, free-end saddle. A unilateral, complex, Partial denture is one of (lie indications for this case of partial edentulousness. Consequently, the aim Of this Study was to stress test the unilateral complex partial denture model and its parts, under load, when changing the length of thee free-end saddle. The stress distribution in canines and the first premolar, as the retention teeth. was examined under the influence of physiological and excessive occlusal forces by moving the point of attack in a distal direction. CATIA software was used for the creation of the 3D. Fixed restoration unit model, in real size, with the appropriate Supporting structures (canine and first premolar with present crowns, alveola. periodontal space) that are connected by the SD snap-in-latch attachment to the mobile portion of a partial denture. The mobile portion consists of in acrylate-coated metal base with three teeth (second premolar, first and second molars). The stress analysis, using the finite-element method, was performed Under the application of physiological loads of 25 N, 50 N. 75 N and 100 N, and excessive loads of 300 N, 500 N and 700 N in the second premolar region, as well as in the first and second molar region. The results of the analysis showed that the largest amount Of load under the application of physiological occlusal forces is positioned on the abutment teeth. Excessive forces are borne by the attachment. The stress analysis, performed on the unilateral complex partial denture model. Suggested that the obtained stress values are lower than the limit values at which the plastic deformation in the model occurs.
PB  - Institute of Metals and Technology
T2  - Materiali in Tehnologije
T1  - Stress analysis of a unilateral complex partial denture using the finite-element method
VL  - 44
IS  - 1
SP  - 41
EP  - 47
UR  - https://hdl.handle.net/21.15107/rcub_smile_1550
ER  - 
@article{
author = "Todorović, Aleksandar and Radović, Katarina and Grbović, Aleksandar and Rudolf, Rebeka and Maksimović, Ivana and Stamenković, Dragoslav",
year = "2010",
abstract = "Different types of dental restorations are used in the treatment Of a unilateral, free-end saddle. A unilateral, complex, Partial denture is one of (lie indications for this case of partial edentulousness. Consequently, the aim Of this Study was to stress test the unilateral complex partial denture model and its parts, under load, when changing the length of thee free-end saddle. The stress distribution in canines and the first premolar, as the retention teeth. was examined under the influence of physiological and excessive occlusal forces by moving the point of attack in a distal direction. CATIA software was used for the creation of the 3D. Fixed restoration unit model, in real size, with the appropriate Supporting structures (canine and first premolar with present crowns, alveola. periodontal space) that are connected by the SD snap-in-latch attachment to the mobile portion of a partial denture. The mobile portion consists of in acrylate-coated metal base with three teeth (second premolar, first and second molars). The stress analysis, using the finite-element method, was performed Under the application of physiological loads of 25 N, 50 N. 75 N and 100 N, and excessive loads of 300 N, 500 N and 700 N in the second premolar region, as well as in the first and second molar region. The results of the analysis showed that the largest amount Of load under the application of physiological occlusal forces is positioned on the abutment teeth. Excessive forces are borne by the attachment. The stress analysis, performed on the unilateral complex partial denture model. Suggested that the obtained stress values are lower than the limit values at which the plastic deformation in the model occurs.",
publisher = "Institute of Metals and Technology",
journal = "Materiali in Tehnologije",
title = "Stress analysis of a unilateral complex partial denture using the finite-element method",
volume = "44",
number = "1",
pages = "41-47",
url = "https://hdl.handle.net/21.15107/rcub_smile_1550"
}
Todorović, A., Radović, K., Grbović, A., Rudolf, R., Maksimović, I.,& Stamenković, D.. (2010). Stress analysis of a unilateral complex partial denture using the finite-element method. in Materiali in Tehnologije
Institute of Metals and Technology., 44(1), 41-47.
https://hdl.handle.net/21.15107/rcub_smile_1550
Todorović A, Radović K, Grbović A, Rudolf R, Maksimović I, Stamenković D. Stress analysis of a unilateral complex partial denture using the finite-element method. in Materiali in Tehnologije. 2010;44(1):41-47.
https://hdl.handle.net/21.15107/rcub_smile_1550 .
Todorović, Aleksandar, Radović, Katarina, Grbović, Aleksandar, Rudolf, Rebeka, Maksimović, Ivana, Stamenković, Dragoslav, "Stress analysis of a unilateral complex partial denture using the finite-element method" in Materiali in Tehnologije, 44, no. 1 (2010):41-47,
https://hdl.handle.net/21.15107/rcub_smile_1550 .
8
10

Liquid metal/ceramic interfaces in dental practice and jewellery manufacturing

Raić, Karlo T.; Rudolf, Rebeka; Todorović, Aleksandar; Stamenković, Dragoslav; Anžel, Ivan

(Institute of Metals and Technology, 2010)

TY  - JOUR
AU  - Raić, Karlo T.
AU  - Rudolf, Rebeka
AU  - Todorović, Aleksandar
AU  - Stamenković, Dragoslav
AU  - Anžel, Ivan
PY  - 2010
UR  - https://smile.stomf.bg.ac.rs/handle/123456789/1534
AB  - Metal-ceramic fusing has been the essential step in obtaining materials that benefit from both ceramic and metal constituents. i e where the combined properties of metal and ceramic layers are desirable When considering fusing methods. soldering and active metal brazing are the most effective These processes involve braze melting and flowing between the two pieces of material In the first part the phenomena occurring on the boundary between the ceramics and the active filler metal during the metal-ceramics joining are discussed Three interconnected sub-processes are considered (1) wetting of the ceramic surface. (2) chemical reactions at the Interlace and (3) diffusion with a moving interface Then, the appearances at the grain boundary grooves of the ceramic surface are presented as phenomena on the catalytic surface In the second pan, examples from dental practice and jewellery manufacturing are used for comparative analysis Finally we discuss the composition and properties of the soldering and brazing alloys used for dental practice and jewellery manufacturing
PB  - Institute of Metals and Technology
T2  - Materiali in Tehnologije
T1  - Liquid metal/ceramic interfaces in dental practice and jewellery manufacturing
VL  - 44
IS  - 2
SP  - 59
EP  - 66
UR  - https://hdl.handle.net/21.15107/rcub_smile_1534
ER  - 
@article{
author = "Raić, Karlo T. and Rudolf, Rebeka and Todorović, Aleksandar and Stamenković, Dragoslav and Anžel, Ivan",
year = "2010",
abstract = "Metal-ceramic fusing has been the essential step in obtaining materials that benefit from both ceramic and metal constituents. i e where the combined properties of metal and ceramic layers are desirable When considering fusing methods. soldering and active metal brazing are the most effective These processes involve braze melting and flowing between the two pieces of material In the first part the phenomena occurring on the boundary between the ceramics and the active filler metal during the metal-ceramics joining are discussed Three interconnected sub-processes are considered (1) wetting of the ceramic surface. (2) chemical reactions at the Interlace and (3) diffusion with a moving interface Then, the appearances at the grain boundary grooves of the ceramic surface are presented as phenomena on the catalytic surface In the second pan, examples from dental practice and jewellery manufacturing are used for comparative analysis Finally we discuss the composition and properties of the soldering and brazing alloys used for dental practice and jewellery manufacturing",
publisher = "Institute of Metals and Technology",
journal = "Materiali in Tehnologije",
title = "Liquid metal/ceramic interfaces in dental practice and jewellery manufacturing",
volume = "44",
number = "2",
pages = "59-66",
url = "https://hdl.handle.net/21.15107/rcub_smile_1534"
}
Raić, K. T., Rudolf, R., Todorović, A., Stamenković, D.,& Anžel, I.. (2010). Liquid metal/ceramic interfaces in dental practice and jewellery manufacturing. in Materiali in Tehnologije
Institute of Metals and Technology., 44(2), 59-66.
https://hdl.handle.net/21.15107/rcub_smile_1534
Raić KT, Rudolf R, Todorović A, Stamenković D, Anžel I. Liquid metal/ceramic interfaces in dental practice and jewellery manufacturing. in Materiali in Tehnologije. 2010;44(2):59-66.
https://hdl.handle.net/21.15107/rcub_smile_1534 .
Raić, Karlo T., Rudolf, Rebeka, Todorović, Aleksandar, Stamenković, Dragoslav, Anžel, Ivan, "Liquid metal/ceramic interfaces in dental practice and jewellery manufacturing" in Materiali in Tehnologije, 44, no. 2 (2010):59-66,
https://hdl.handle.net/21.15107/rcub_smile_1534 .
4
5

The effect of repeated casting on the biocompatibility of a dental gold alloy

Stamenković, Dragoslav; Čairović, Aleksandra; Čolić, Miodrag; Rudolf, Rebeka; Radović, Katarina; Đorđević, Igor

(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2009)

TY  - JOUR
AU  - Stamenković, Dragoslav
AU  - Čairović, Aleksandra
AU  - Čolić, Miodrag
AU  - Rudolf, Rebeka
AU  - Radović, Katarina
AU  - Đorđević, Igor
PY  - 2009
UR  - https://smile.stomf.bg.ac.rs/handle/123456789/1478
AB  - Although highly noble Au alloys have been considered as biocompatible dental materials, little is known about whether recasting affects their biocompatibility. The aim of this work was to study the effect of repeated casting procedures on the microstructure and biocompatibilty of a noble Au dental alloy. The prepared samples of one- four- and eight times melted/cast Dentor S were used to study primary cutaneous irritation and sensibilization on experimental animals. The extract of the alloy prepared by conditioning the Dentor S samples in a cell culture medium was used to study the cytotoxicity on L929 cells. The elemental composition and surface changes of the alloy were examined by Energy Dispersive X-ray (EDX) analysis and optical microscopy, respectively. Our results showed that repeated casting decreased the biocompatibility of Dentor S, manifested as decreased metabolic and proliferative activities of L929 cells and that the effect correlated with the number of melting/casting procedures. However, neither sample of Dentor S caused irritation and sensibilization on experimental animals. EDX showed that recasting slightly increased the content of Au and Cu and slightly decreased the content of Pt, Pd and Zn. These changes correlated with the observations by optical microscopy. In conclusion, our results show that repeated casting of noble Au alloy changes its microstructure and decreases the biocompatibilty, suggesting that this procedure should be avoided in dental practice.
AB  - Visoko plemenite legure su biokompatibilni materijali, ali je malo poznato da li ponovljena livenja legura utiču na njihovu biokompatibilnost. Cilj ovog rada je bio da se utvrdi efekat ponovljenog topljenja i livenja na mikrostrukturu i biokompatibilnost visoko plemenitih dentalnih legura zlata. Pripremjena je serija uzoraka od jednom, četiri i osam puta topljene i livene Dentor S legure za ispitivanje primarne iritacije kože i senzibilizacije na eksperimentalnim životinjama, kao i in vitro ispitivanje citotoksičnosti na L929 ćelijama. Hemijski sastav i promena površine legure ispitivana je EDX analizom i optičkim mikroskopom. Naši rezultati su ukazali da ponavljana livenja smanjuju biokompatibilnost Dentor S legure, koja se manifestuje smanjenjem metabolitičke i proliferativne aktivnosti L929 ćelija i da je efekat u korelaciji s brojem topljenja i livenja. Ni jedan uzorak Dentor S legure ne uzrokuje iritaciju i senzibilizaciju eksperimentalnih životinja. EDX analiza dokazuje da ponovna livenja blago povećavaju procenat Au i Cu i blago smanjuju procenat Pt, Pd i Zn. Ove promene su u korelaciji sa zapažanjima na optičkom mikroskopu. Autori zaključuju da ponovljena livenja visoko plemenitih legura zlata menjaju mikrostrukturu i smanjuju biokompatibilnost i preporučuju da se ova procedura izbegava u svakodnevnoj praksi.
PB  - Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd
T2  - Acta veterinaria
T1  - The effect of repeated casting on the biocompatibility of a dental gold alloy
T1  - Uticaj ponavljanog livenja na biokompatibilnost dentalnih legura zlata
VL  - 59
IS  - 5-6
SP  - 641
EP  - 652
DO  - 10.2298/AVB0906641S
ER  - 
@article{
author = "Stamenković, Dragoslav and Čairović, Aleksandra and Čolić, Miodrag and Rudolf, Rebeka and Radović, Katarina and Đorđević, Igor",
year = "2009",
abstract = "Although highly noble Au alloys have been considered as biocompatible dental materials, little is known about whether recasting affects their biocompatibility. The aim of this work was to study the effect of repeated casting procedures on the microstructure and biocompatibilty of a noble Au dental alloy. The prepared samples of one- four- and eight times melted/cast Dentor S were used to study primary cutaneous irritation and sensibilization on experimental animals. The extract of the alloy prepared by conditioning the Dentor S samples in a cell culture medium was used to study the cytotoxicity on L929 cells. The elemental composition and surface changes of the alloy were examined by Energy Dispersive X-ray (EDX) analysis and optical microscopy, respectively. Our results showed that repeated casting decreased the biocompatibility of Dentor S, manifested as decreased metabolic and proliferative activities of L929 cells and that the effect correlated with the number of melting/casting procedures. However, neither sample of Dentor S caused irritation and sensibilization on experimental animals. EDX showed that recasting slightly increased the content of Au and Cu and slightly decreased the content of Pt, Pd and Zn. These changes correlated with the observations by optical microscopy. In conclusion, our results show that repeated casting of noble Au alloy changes its microstructure and decreases the biocompatibilty, suggesting that this procedure should be avoided in dental practice., Visoko plemenite legure su biokompatibilni materijali, ali je malo poznato da li ponovljena livenja legura utiču na njihovu biokompatibilnost. Cilj ovog rada je bio da se utvrdi efekat ponovljenog topljenja i livenja na mikrostrukturu i biokompatibilnost visoko plemenitih dentalnih legura zlata. Pripremjena je serija uzoraka od jednom, četiri i osam puta topljene i livene Dentor S legure za ispitivanje primarne iritacije kože i senzibilizacije na eksperimentalnim životinjama, kao i in vitro ispitivanje citotoksičnosti na L929 ćelijama. Hemijski sastav i promena površine legure ispitivana je EDX analizom i optičkim mikroskopom. Naši rezultati su ukazali da ponavljana livenja smanjuju biokompatibilnost Dentor S legure, koja se manifestuje smanjenjem metabolitičke i proliferativne aktivnosti L929 ćelija i da je efekat u korelaciji s brojem topljenja i livenja. Ni jedan uzorak Dentor S legure ne uzrokuje iritaciju i senzibilizaciju eksperimentalnih životinja. EDX analiza dokazuje da ponovna livenja blago povećavaju procenat Au i Cu i blago smanjuju procenat Pt, Pd i Zn. Ove promene su u korelaciji sa zapažanjima na optičkom mikroskopu. Autori zaključuju da ponovljena livenja visoko plemenitih legura zlata menjaju mikrostrukturu i smanjuju biokompatibilnost i preporučuju da se ova procedura izbegava u svakodnevnoj praksi.",
publisher = "Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd",
journal = "Acta veterinaria",
title = "The effect of repeated casting on the biocompatibility of a dental gold alloy, Uticaj ponavljanog livenja na biokompatibilnost dentalnih legura zlata",
volume = "59",
number = "5-6",
pages = "641-652",
doi = "10.2298/AVB0906641S"
}
Stamenković, D., Čairović, A., Čolić, M., Rudolf, R., Radović, K.,& Đorđević, I.. (2009). The effect of repeated casting on the biocompatibility of a dental gold alloy. in Acta veterinaria
Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd., 59(5-6), 641-652.
https://doi.org/10.2298/AVB0906641S
Stamenković D, Čairović A, Čolić M, Rudolf R, Radović K, Đorđević I. The effect of repeated casting on the biocompatibility of a dental gold alloy. in Acta veterinaria. 2009;59(5-6):641-652.
doi:10.2298/AVB0906641S .
Stamenković, Dragoslav, Čairović, Aleksandra, Čolić, Miodrag, Rudolf, Rebeka, Radović, Katarina, Đorđević, Igor, "The effect of repeated casting on the biocompatibility of a dental gold alloy" in Acta veterinaria, 59, no. 5-6 (2009):641-652,
https://doi.org/10.2298/AVB0906641S . .
3
2
4

Investigation of mechanical and biomedical properties of new dental alloy with high content of Au

Lazić, Vojkan; Stamenković, Dragoslav; Todorović, Aleksandar; Rudolf, Rebeka; Anžel, Ivan

(Savez inženjera metalurgije Srbije, Beograd, 2008)

TY  - JOUR
AU  - Lazić, Vojkan
AU  - Stamenković, Dragoslav
AU  - Todorović, Aleksandar
AU  - Rudolf, Rebeka
AU  - Anžel, Ivan
PY  - 2008
UR  - https://smile.stomf.bg.ac.rs/handle/123456789/1402
AB  - The basis for developing a new dental alloy with high Au content is appropriate chemical composition and manufacturing technology. The demands which have to be met when developing a new dental alloy are linked with fulfilling the necessary requirements for making the alloy suitable for use in metal-ceramic restorations. Due to the stress generated by masticatory forces, alloys for dental restorations must have corresponding mechanical properties (yield strength, tensile strength, and elongation), hardness, the coefficient of thermal expansion (CTE), and biocompatibility. Namely dental alloy placed in an oral cavity reacts with the environment and deteriorates. New dental alloy with high Au content is based on the ternary system of Au-Pt-Zn with a nominal composition of 86.9Au-9.9Pt-1.5Zn, and about 1,5 wt.% micro-alloying elements (In, Ir, Rh). The dental alloy was melted and cast in a vacuum-induction melting furnace in Zlatarna Celje. The results analyses of different heat-treated states showed that the optimal mechanical properties and hardness of an Au-Pt-Zn alloy can be reached with combinations of heat treatment for 20 minutes at 723 K and then slowly cooling, if the alloy was annealed at 1223 K for 30 minutes and the water quenched. Research results confirmed that the microstructure of the Au-Pt-Zn alloy consists of two phases: a1-phase rich in Au (main phase) and a2-phase rich in Pt (minor phase). During XRD analysis and use of the Rietveld method, it was found that the a1-phase content is about 98,5 wt.% while the content of a2- phase is 1,5 wt.%. STA analyses show that the Au-Pt-Zn alloy has a solids temperature of about 1292 K and a liquids temperature of about 1412 K. The optical properties of Au-dental alloy were investigated by means of spectrophotometric colourimetry. Spectral reflectance data from the mirror-polished flat samples of initial Au dental alloy were collected under the CIE standard illuminant D65. Finally the test of cytotoxicity of new Au based dental alloys using standard in vitro assays for testing the biocompatibility with establishing new, more sensitive, in vitro tests on cell lines was done. According to the results of our research we can conclude that new dental alloy from Zlatarna Celje satisfied all requested standards regarding mechanical properties, hardness and CTE: Rp0.=550 [N/mm2], Rm =610 [N/mm2], A= 9%, 180 HV and CTE (25-600°C) about 14,45×10-6K-1. This new Au dental alloy has a yellow tinge in comparison to conventional Au-Pt-Zn alloys and did not show cytotoxicity when using standard short-term in-vitro assays on an L929 cell. .
PB  - Savez inženjera metalurgije Srbije, Beograd
T2  - Metalurgija
T1  - Investigation of mechanical and biomedical properties of new dental alloy with high content of Au
VL  - 14
IS  - 2
SP  - 121
EP  - 134
UR  - https://hdl.handle.net/21.15107/rcub_smile_1402
ER  - 
@article{
author = "Lazić, Vojkan and Stamenković, Dragoslav and Todorović, Aleksandar and Rudolf, Rebeka and Anžel, Ivan",
year = "2008",
abstract = "The basis for developing a new dental alloy with high Au content is appropriate chemical composition and manufacturing technology. The demands which have to be met when developing a new dental alloy are linked with fulfilling the necessary requirements for making the alloy suitable for use in metal-ceramic restorations. Due to the stress generated by masticatory forces, alloys for dental restorations must have corresponding mechanical properties (yield strength, tensile strength, and elongation), hardness, the coefficient of thermal expansion (CTE), and biocompatibility. Namely dental alloy placed in an oral cavity reacts with the environment and deteriorates. New dental alloy with high Au content is based on the ternary system of Au-Pt-Zn with a nominal composition of 86.9Au-9.9Pt-1.5Zn, and about 1,5 wt.% micro-alloying elements (In, Ir, Rh). The dental alloy was melted and cast in a vacuum-induction melting furnace in Zlatarna Celje. The results analyses of different heat-treated states showed that the optimal mechanical properties and hardness of an Au-Pt-Zn alloy can be reached with combinations of heat treatment for 20 minutes at 723 K and then slowly cooling, if the alloy was annealed at 1223 K for 30 minutes and the water quenched. Research results confirmed that the microstructure of the Au-Pt-Zn alloy consists of two phases: a1-phase rich in Au (main phase) and a2-phase rich in Pt (minor phase). During XRD analysis and use of the Rietveld method, it was found that the a1-phase content is about 98,5 wt.% while the content of a2- phase is 1,5 wt.%. STA analyses show that the Au-Pt-Zn alloy has a solids temperature of about 1292 K and a liquids temperature of about 1412 K. The optical properties of Au-dental alloy were investigated by means of spectrophotometric colourimetry. Spectral reflectance data from the mirror-polished flat samples of initial Au dental alloy were collected under the CIE standard illuminant D65. Finally the test of cytotoxicity of new Au based dental alloys using standard in vitro assays for testing the biocompatibility with establishing new, more sensitive, in vitro tests on cell lines was done. According to the results of our research we can conclude that new dental alloy from Zlatarna Celje satisfied all requested standards regarding mechanical properties, hardness and CTE: Rp0.=550 [N/mm2], Rm =610 [N/mm2], A= 9%, 180 HV and CTE (25-600°C) about 14,45×10-6K-1. This new Au dental alloy has a yellow tinge in comparison to conventional Au-Pt-Zn alloys and did not show cytotoxicity when using standard short-term in-vitro assays on an L929 cell. .",
publisher = "Savez inženjera metalurgije Srbije, Beograd",
journal = "Metalurgija",
title = "Investigation of mechanical and biomedical properties of new dental alloy with high content of Au",
volume = "14",
number = "2",
pages = "121-134",
url = "https://hdl.handle.net/21.15107/rcub_smile_1402"
}
Lazić, V., Stamenković, D., Todorović, A., Rudolf, R.,& Anžel, I.. (2008). Investigation of mechanical and biomedical properties of new dental alloy with high content of Au. in Metalurgija
Savez inženjera metalurgije Srbije, Beograd., 14(2), 121-134.
https://hdl.handle.net/21.15107/rcub_smile_1402
Lazić V, Stamenković D, Todorović A, Rudolf R, Anžel I. Investigation of mechanical and biomedical properties of new dental alloy with high content of Au. in Metalurgija. 2008;14(2):121-134.
https://hdl.handle.net/21.15107/rcub_smile_1402 .
Lazić, Vojkan, Stamenković, Dragoslav, Todorović, Aleksandar, Rudolf, Rebeka, Anžel, Ivan, "Investigation of mechanical and biomedical properties of new dental alloy with high content of Au" in Metalurgija, 14, no. 2 (2008):121-134,
https://hdl.handle.net/21.15107/rcub_smile_1402 .

Retention of removable partial denture with double crowns

Stamenković, Dragoslav; Stančić, Ivica

(Srpsko lekarsko društvo - Stomatološka sekcija, Beograd, 2004)

TY  - JOUR
AU  - Stamenković, Dragoslav
AU  - Stančić, Ivica
PY  - 2004
UR  - https://smile.stomf.bg.ac.rs/handle/123456789/1227
AB  - The aim of this paper is to explain the mechanisms of retention with double crowns, examine the possibility of improving the process of measuring the forces of separating double crowns and suggest the measures for optimizing the retention forces with telescopic partial dentures. After the manufacturing of a partial denture with double crowns, it can only be established whether if the retention force is strong enough or not, but its nominal value remains unknown. Optimally it should be between 5 and 10N per anchor. Too strong retention force of partial denture causes traumatic damages of periodontal tissues, when taking the denture off, while not enough strong retention force doesn't connect the partial denture to the supporting tissues tightly enough. The paper describes the mechanism of retention with telescope and conus crowns and the way of measuring the force of their separation. For the purpose of optimizing the retention force, the ways of reducing exceedingly strong and increasing insufficient force were described. The necessity of being acquainted with the nominal value of the retention force of telescopic denture and its bringing to within the borders of optimal force is stressed in the conclusion.
AB  - Cilj ovog rada je objasniti mehanizme retencije kod dvostrukih kruna, ispitati mogućnost unapređivanja postupka merenja sila razdvajanja dvostrukih kruna i predložiti mere za optimizaciju retencione sile kod teleskop parcijalnih proteza. Po završenoj izradi parcijalne proteze sa dvostrukim krunama jedino se može zaključiti da li je retenciona sila dovoljna ili ne, ali njena nominalna vrednost ostaje nepoznata. Optimalno ona treba da iznosi između 5 i 10N po pojedinačnom sidru. Prevelika retenciona sila parcijalne proteze uzrokuje traumatska oštećenja potpornog aparata zuba nosača, pri skidanju proteze, dok nedovoljna retenciona sila ne vezuje parcijalnu protezu za noseća tkiva u dovoljnoj meri. U radu je opisan mehanizam retencije kod teleskop i konus kruna i način merenja sile njihovog razdvajanja. U cilju optimizacije retencione sile opisani su načini redukcije prevelike, odnosno povećanja nedovoljne sile. U zaključku rada se ističe neophodnost poznavanja nominalne vrednosti retencione sile teleskop proteze i njeno dovođenje u granice optimalne sile.
PB  - Srpsko lekarsko društvo - Stomatološka sekcija, Beograd
T2  - Stomatološki glasnik Srbije
T1  - Retention of removable partial denture with double crowns
T1  - Retencija parcijalne proteze sa dvostrukim krunama
VL  - 51
IS  - 1
SP  - 30
EP  - 37
DO  - 10.2298/SGS0401030S
ER  - 
@article{
author = "Stamenković, Dragoslav and Stančić, Ivica",
year = "2004",
abstract = "The aim of this paper is to explain the mechanisms of retention with double crowns, examine the possibility of improving the process of measuring the forces of separating double crowns and suggest the measures for optimizing the retention forces with telescopic partial dentures. After the manufacturing of a partial denture with double crowns, it can only be established whether if the retention force is strong enough or not, but its nominal value remains unknown. Optimally it should be between 5 and 10N per anchor. Too strong retention force of partial denture causes traumatic damages of periodontal tissues, when taking the denture off, while not enough strong retention force doesn't connect the partial denture to the supporting tissues tightly enough. The paper describes the mechanism of retention with telescope and conus crowns and the way of measuring the force of their separation. For the purpose of optimizing the retention force, the ways of reducing exceedingly strong and increasing insufficient force were described. The necessity of being acquainted with the nominal value of the retention force of telescopic denture and its bringing to within the borders of optimal force is stressed in the conclusion., Cilj ovog rada je objasniti mehanizme retencije kod dvostrukih kruna, ispitati mogućnost unapređivanja postupka merenja sila razdvajanja dvostrukih kruna i predložiti mere za optimizaciju retencione sile kod teleskop parcijalnih proteza. Po završenoj izradi parcijalne proteze sa dvostrukim krunama jedino se može zaključiti da li je retenciona sila dovoljna ili ne, ali njena nominalna vrednost ostaje nepoznata. Optimalno ona treba da iznosi između 5 i 10N po pojedinačnom sidru. Prevelika retenciona sila parcijalne proteze uzrokuje traumatska oštećenja potpornog aparata zuba nosača, pri skidanju proteze, dok nedovoljna retenciona sila ne vezuje parcijalnu protezu za noseća tkiva u dovoljnoj meri. U radu je opisan mehanizam retencije kod teleskop i konus kruna i način merenja sile njihovog razdvajanja. U cilju optimizacije retencione sile opisani su načini redukcije prevelike, odnosno povećanja nedovoljne sile. U zaključku rada se ističe neophodnost poznavanja nominalne vrednosti retencione sile teleskop proteze i njeno dovođenje u granice optimalne sile.",
publisher = "Srpsko lekarsko društvo - Stomatološka sekcija, Beograd",
journal = "Stomatološki glasnik Srbije",
title = "Retention of removable partial denture with double crowns, Retencija parcijalne proteze sa dvostrukim krunama",
volume = "51",
number = "1",
pages = "30-37",
doi = "10.2298/SGS0401030S"
}
Stamenković, D.,& Stančić, I.. (2004). Retention of removable partial denture with double crowns. in Stomatološki glasnik Srbije
Srpsko lekarsko društvo - Stomatološka sekcija, Beograd., 51(1), 30-37.
https://doi.org/10.2298/SGS0401030S
Stamenković D, Stančić I. Retention of removable partial denture with double crowns. in Stomatološki glasnik Srbije. 2004;51(1):30-37.
doi:10.2298/SGS0401030S .
Stamenković, Dragoslav, Stančić, Ivica, "Retention of removable partial denture with double crowns" in Stomatološki glasnik Srbije, 51, no. 1 (2004):30-37,
https://doi.org/10.2298/SGS0401030S . .

Modification of tooth contours for removable partial dentures, part II: Invasive techniques

Stamenković, Dragoslav; Todorović, Aleksandar; Lazić, Vojkan

(Udruženje stomatologa Srbije i Crne Gore - Sekcija za stomatološku protetiku, Beograd, 2001)

TY  - JOUR
AU  - Stamenković, Dragoslav
AU  - Todorović, Aleksandar
AU  - Lazić, Vojkan
PY  - 2001
UR  - https://smile.stomf.bg.ac.rs/handle/123456789/1120
AB  - When natural teeth are selected as abutments for RPDs, it is often desirable to modify their axial and occlusal contours. Minor modifications to natural tooth contour can be made simply by grinding, but these may be limited if the enamel is thin in the areas requiring modification. In contrast, major modifications to tooth contour can only be achieved by the use of surveyed crowns. Surveyed crowns are cast restorations fabricated for teeth serving as abutments for RPDs. When such restorations are already part of the overall treatment plan of the patient, it is practical to coordinate the design of the restorations with that of the proposed partial denture. The surveyed crowns have in common the requirements which may be summarized as follows: occlusal rest seat and satisfactory occlusion, suitable guide planes, suitable retentive undercuts, suitable reciprocal elements areas. It is essential that the surveyed crowns incorporate space for the partial denture components. The crowns themselves should be waxed up and milled on the surveyor to be in harmony with the prepared path of insertion and design of the partial denture. Based upon that, the basic aim of this paper would be to describe the clinical and laboratory procedures involved in the production of the surveyed crowns.
AB  - Aksijalne i okluzalne površine prirodnih zuba planirane za sidrenje PSP se, najčešće, moraju preoblikovati. Male modifikacije prirodnih zuba mogu se jednostavno izvesti brušenjem, ali su limitirane debljinom gleđi u traženoj regiji. U suprotnom, velike modifikacije oblika zuba mogu se ostvariti namenskim nadoknadama. Kamenske nadoknade su deo terapije i neophodno je prilagoditi njihov oblik PSP. Na namenskim krunicama, kao najčešćim oblicima namenskih nadoknada, treba formirati ležišta za okluzalne naslone ili odgovarajuće stepenike za prenos okluzalnih sila, odgovarajuće vodeće ravni, neophodnu dubinu podminiranosti i ravne oralne površine. Kamenske nadoknade moraju obezbediti prostor za elemente PSP. Frezovanjem u vosku i metalu obezbeđuje se pomenuti prostor i harmonija sa pravcem unošenja proteze i dizajnom buduće PSP. Imajući sve ovo u vidu cilj rada je bio da se opišu fiksne nadoknade namenjene sidrenju PSP.
PB  - Udruženje stomatologa Srbije i Crne Gore - Sekcija za stomatološku protetiku, Beograd
T2  - Stomatološka protetika
T1  - Modification of tooth contours for removable partial dentures, part II: Invasive techniques
T1  - Priprema retencionih zuba za parcijalne skeletirane proteze, II deo - invazione tehnike
VL  - 2
IS  - 2
SP  - 63
EP  - 70
UR  - https://hdl.handle.net/21.15107/rcub_smile_1120
ER  - 
@article{
author = "Stamenković, Dragoslav and Todorović, Aleksandar and Lazić, Vojkan",
year = "2001",
abstract = "When natural teeth are selected as abutments for RPDs, it is often desirable to modify their axial and occlusal contours. Minor modifications to natural tooth contour can be made simply by grinding, but these may be limited if the enamel is thin in the areas requiring modification. In contrast, major modifications to tooth contour can only be achieved by the use of surveyed crowns. Surveyed crowns are cast restorations fabricated for teeth serving as abutments for RPDs. When such restorations are already part of the overall treatment plan of the patient, it is practical to coordinate the design of the restorations with that of the proposed partial denture. The surveyed crowns have in common the requirements which may be summarized as follows: occlusal rest seat and satisfactory occlusion, suitable guide planes, suitable retentive undercuts, suitable reciprocal elements areas. It is essential that the surveyed crowns incorporate space for the partial denture components. The crowns themselves should be waxed up and milled on the surveyor to be in harmony with the prepared path of insertion and design of the partial denture. Based upon that, the basic aim of this paper would be to describe the clinical and laboratory procedures involved in the production of the surveyed crowns., Aksijalne i okluzalne površine prirodnih zuba planirane za sidrenje PSP se, najčešće, moraju preoblikovati. Male modifikacije prirodnih zuba mogu se jednostavno izvesti brušenjem, ali su limitirane debljinom gleđi u traženoj regiji. U suprotnom, velike modifikacije oblika zuba mogu se ostvariti namenskim nadoknadama. Kamenske nadoknade su deo terapije i neophodno je prilagoditi njihov oblik PSP. Na namenskim krunicama, kao najčešćim oblicima namenskih nadoknada, treba formirati ležišta za okluzalne naslone ili odgovarajuće stepenike za prenos okluzalnih sila, odgovarajuće vodeće ravni, neophodnu dubinu podminiranosti i ravne oralne površine. Kamenske nadoknade moraju obezbediti prostor za elemente PSP. Frezovanjem u vosku i metalu obezbeđuje se pomenuti prostor i harmonija sa pravcem unošenja proteze i dizajnom buduće PSP. Imajući sve ovo u vidu cilj rada je bio da se opišu fiksne nadoknade namenjene sidrenju PSP.",
publisher = "Udruženje stomatologa Srbije i Crne Gore - Sekcija za stomatološku protetiku, Beograd",
journal = "Stomatološka protetika",
title = "Modification of tooth contours for removable partial dentures, part II: Invasive techniques, Priprema retencionih zuba za parcijalne skeletirane proteze, II deo - invazione tehnike",
volume = "2",
number = "2",
pages = "63-70",
url = "https://hdl.handle.net/21.15107/rcub_smile_1120"
}
Stamenković, D., Todorović, A.,& Lazić, V.. (2001). Modification of tooth contours for removable partial dentures, part II: Invasive techniques. in Stomatološka protetika
Udruženje stomatologa Srbije i Crne Gore - Sekcija za stomatološku protetiku, Beograd., 2(2), 63-70.
https://hdl.handle.net/21.15107/rcub_smile_1120
Stamenković D, Todorović A, Lazić V. Modification of tooth contours for removable partial dentures, part II: Invasive techniques. in Stomatološka protetika. 2001;2(2):63-70.
https://hdl.handle.net/21.15107/rcub_smile_1120 .
Stamenković, Dragoslav, Todorović, Aleksandar, Lazić, Vojkan, "Modification of tooth contours for removable partial dentures, part II: Invasive techniques" in Stomatološka protetika, 2, no. 2 (2001):63-70,
https://hdl.handle.net/21.15107/rcub_smile_1120 .

Modification of tooth contours for removable partial dentures, part I: Non-invasive techniques

Stamenković, Dragoslav; Tihaček-Šojić, Ljiljana; Stančić, Ivica

(Udruženje stomatologa Srbije i Crne Gore - Sekcija za stomatološku protetiku, Beograd, 2000)

TY  - JOUR
AU  - Stamenković, Dragoslav
AU  - Tihaček-Šojić, Ljiljana
AU  - Stančić, Ivica
PY  - 2000
UR  - https://smile.stomf.bg.ac.rs/handle/123456789/1114
AB  - The contours of natural teeth are usually unsuitable to meet the requirements for the proper placement and functioning of an RPD. For that reason the teeth selected as abutments for RPD have to be modified. If the changes needed can be accomplished within the confines of tooth enamel, the procedures are referred to as tooth modifications or tooth alterations. There are many requirements for RPD frameworks that necessitate some form of tooth alteration. These alterations depend on the design of RPD framework and the shape of the teeth, as well as the chosen path of insertion and path of placement. The modifications needed to meet these requirements are: alteration of tooth structure to prepare rest seats, selective grinding to improve or provide guiding planes, selective grinding to provide stabilization and reciprocation against the action of the retentive arm and vestibule surface recapturing in order to enable undercuts with composite. Taking these requirements into consideration the basic aim of this paper is to emphasize, describe and explain all tooth alterations for RPD frameworks.
AB  - Oblici prirodnih zuba, najčešće, nisu prihvatljivi za elemente PSP. Zbog toga većina zuba predviđenih za sidrenje PSP mora biti modifikovana. Ako promena oblika retencionih zuba zahteva minimalne korekcije, procedure kojima se one ostvaruju svrstavaju se u grupu neinvazionih metoda. Postoje mnogi zahtevi za izradu PSP koji uslovljavaju pripremu retencionih zuba. Priprema retencionih zuba zavisi, dakle, od dizajna PSP, oblika preostalih zuba i odabranog pravca unošenja proteze. Priprema retencionih zuba za prihvatanje elemenata PSP obuhvata: pripremu ležišta za okluzalne i lingvalne naslone, formiranje vodećih ravni, preoblikovanje oralnih i vestibularnih površina retencionih zuba. Uvažavajući ove zahteve osnovni cilj ovog rada je da istakne, opiše i objasni pripremu retencionih zuba za prihvatanje elemenata PSP.
PB  - Udruženje stomatologa Srbije i Crne Gore - Sekcija za stomatološku protetiku, Beograd
T2  - Stomatološka protetika
T1  - Modification of tooth contours for removable partial dentures, part I: Non-invasive techniques
T1  - Priprema retencionih zuba za parcijalne skeletirane proteze, I deo - neinvazione tehnike
VL  - 2
IS  - 1
SP  - 3
EP  - 11
UR  - https://hdl.handle.net/21.15107/rcub_smile_1114
ER  - 
@article{
author = "Stamenković, Dragoslav and Tihaček-Šojić, Ljiljana and Stančić, Ivica",
year = "2000",
abstract = "The contours of natural teeth are usually unsuitable to meet the requirements for the proper placement and functioning of an RPD. For that reason the teeth selected as abutments for RPD have to be modified. If the changes needed can be accomplished within the confines of tooth enamel, the procedures are referred to as tooth modifications or tooth alterations. There are many requirements for RPD frameworks that necessitate some form of tooth alteration. These alterations depend on the design of RPD framework and the shape of the teeth, as well as the chosen path of insertion and path of placement. The modifications needed to meet these requirements are: alteration of tooth structure to prepare rest seats, selective grinding to improve or provide guiding planes, selective grinding to provide stabilization and reciprocation against the action of the retentive arm and vestibule surface recapturing in order to enable undercuts with composite. Taking these requirements into consideration the basic aim of this paper is to emphasize, describe and explain all tooth alterations for RPD frameworks., Oblici prirodnih zuba, najčešće, nisu prihvatljivi za elemente PSP. Zbog toga većina zuba predviđenih za sidrenje PSP mora biti modifikovana. Ako promena oblika retencionih zuba zahteva minimalne korekcije, procedure kojima se one ostvaruju svrstavaju se u grupu neinvazionih metoda. Postoje mnogi zahtevi za izradu PSP koji uslovljavaju pripremu retencionih zuba. Priprema retencionih zuba zavisi, dakle, od dizajna PSP, oblika preostalih zuba i odabranog pravca unošenja proteze. Priprema retencionih zuba za prihvatanje elemenata PSP obuhvata: pripremu ležišta za okluzalne i lingvalne naslone, formiranje vodećih ravni, preoblikovanje oralnih i vestibularnih površina retencionih zuba. Uvažavajući ove zahteve osnovni cilj ovog rada je da istakne, opiše i objasni pripremu retencionih zuba za prihvatanje elemenata PSP.",
publisher = "Udruženje stomatologa Srbije i Crne Gore - Sekcija za stomatološku protetiku, Beograd",
journal = "Stomatološka protetika",
title = "Modification of tooth contours for removable partial dentures, part I: Non-invasive techniques, Priprema retencionih zuba za parcijalne skeletirane proteze, I deo - neinvazione tehnike",
volume = "2",
number = "1",
pages = "3-11",
url = "https://hdl.handle.net/21.15107/rcub_smile_1114"
}
Stamenković, D., Tihaček-Šojić, L.,& Stančić, I.. (2000). Modification of tooth contours for removable partial dentures, part I: Non-invasive techniques. in Stomatološka protetika
Udruženje stomatologa Srbije i Crne Gore - Sekcija za stomatološku protetiku, Beograd., 2(1), 3-11.
https://hdl.handle.net/21.15107/rcub_smile_1114
Stamenković D, Tihaček-Šojić L, Stančić I. Modification of tooth contours for removable partial dentures, part I: Non-invasive techniques. in Stomatološka protetika. 2000;2(1):3-11.
https://hdl.handle.net/21.15107/rcub_smile_1114 .
Stamenković, Dragoslav, Tihaček-Šojić, Ljiljana, Stančić, Ivica, "Modification of tooth contours for removable partial dentures, part I: Non-invasive techniques" in Stomatološka protetika, 2, no. 1 (2000):3-11,
https://hdl.handle.net/21.15107/rcub_smile_1114 .

Analiza svojstava i vrednosti retencionog sistema skeletirane proteze

Stamenković, Dragoslav

(Univerzitet u Beogradu, Stomatološki fakultet, 1983)

TY  - THES
AU  - Stamenković, Dragoslav
PY  - 1983
UR  - https://plus.sr.cobiss.net/opac7/bib/72620556
UR  - https://smile.stomf.bg.ac.rs/handle/123456789/171
PB  - Univerzitet u Beogradu, Stomatološki fakultet
T1  - Analiza svojstava i vrednosti retencionog sistema skeletirane proteze
UR  - https://hdl.handle.net/21.15107/rcub_smile_171
ER  - 
@phdthesis{
author = "Stamenković, Dragoslav",
year = "1983",
publisher = "Univerzitet u Beogradu, Stomatološki fakultet",
title = "Analiza svojstava i vrednosti retencionog sistema skeletirane proteze",
url = "https://hdl.handle.net/21.15107/rcub_smile_171"
}
Stamenković, D.. (1983). Analiza svojstava i vrednosti retencionog sistema skeletirane proteze. 
Univerzitet u Beogradu, Stomatološki fakultet..
https://hdl.handle.net/21.15107/rcub_smile_171
Stamenković D. Analiza svojstava i vrednosti retencionog sistema skeletirane proteze. 1983;.
https://hdl.handle.net/21.15107/rcub_smile_171 .
Stamenković, Dragoslav, "Analiza svojstava i vrednosti retencionog sistema skeletirane proteze" (1983),
https://hdl.handle.net/21.15107/rcub_smile_171 .

Klinička i eksperimentalna ispitivanja klasičnog sistema retencije i stabilizacije skeletiranih proteza

Stamenković, Dragoslav

(Univerzitet u Beogradu, Stomatološki fakultet, 1978)

TY  - THES
AU  - Stamenković, Dragoslav
PY  - 1978
UR  - https://plus.sr.cobiss.net/opac7/bib/1024123022
UR  - https://smile.stomf.bg.ac.rs/handle/123456789/90
PB  - Univerzitet u Beogradu, Stomatološki fakultet
T1  - Klinička i eksperimentalna ispitivanja klasičnog sistema retencije i stabilizacije skeletiranih proteza
UR  - https://hdl.handle.net/21.15107/rcub_smile_90
ER  - 
@mastersthesis{
author = "Stamenković, Dragoslav",
year = "1978",
publisher = "Univerzitet u Beogradu, Stomatološki fakultet",
title = "Klinička i eksperimentalna ispitivanja klasičnog sistema retencije i stabilizacije skeletiranih proteza",
url = "https://hdl.handle.net/21.15107/rcub_smile_90"
}
Stamenković, D.. (1978). Klinička i eksperimentalna ispitivanja klasičnog sistema retencije i stabilizacije skeletiranih proteza. 
Univerzitet u Beogradu, Stomatološki fakultet..
https://hdl.handle.net/21.15107/rcub_smile_90
Stamenković D. Klinička i eksperimentalna ispitivanja klasičnog sistema retencije i stabilizacije skeletiranih proteza. 1978;.
https://hdl.handle.net/21.15107/rcub_smile_90 .
Stamenković, Dragoslav, "Klinička i eksperimentalna ispitivanja klasičnog sistema retencije i stabilizacije skeletiranih proteza" (1978),
https://hdl.handle.net/21.15107/rcub_smile_90 .