Radović, Igor

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Antibacterial activity of newly synthesized endodontic nanomaterial based on calcium aluminate

Radović, Igor; Stojanović, Nikola; Krunić, Jelena; Davidović, Lado; Lečić, Jelena; Jokanović, Vukoman; Živković, Slavoljub

(Srpsko lekarsko društvo - Stomatološka sekcija, Beograd, 2019)

TY  - JOUR
AU  - Radović, Igor
AU  - Stojanović, Nikola
AU  - Krunić, Jelena
AU  - Davidović, Lado
AU  - Lečić, Jelena
AU  - Jokanović, Vukoman
AU  - Živković, Slavoljub
PY  - 2019
UR  - https://smile.stomf.bg.ac.rs/handle/123456789/2430
AB  - Introduction Materials used for root canal obturation and root perforation are expected to have, in addition to preventing apical, lateral and coronary leakage, antimicrobial effects on microorganisms that are not accessible to chemomechanical instrumentation and intra-canal medications. The aim of this study was to evaluate the antimicrobial effect of a novel calcium aluminate-based endodontic nanostructured biomaterial (ALBO-MCCA) using agar diffusion test. Material and methods the two materials were tested in the study. The nanostructured calcium aluminate was synthesized by the hydrothermal sol-gel method from individual components of calcium aluminate (CaOxAl2 O3 ), calcite (CaCO3 ) and barium sulfate (BaSO4 ) as radiocontrast agent in the ratio of 2:2:1 according to V. Jokanovic's recipe. The other used material was calcium silicate MTA Angelus (Londrina, Brazil). The antimicrobial effect was assessed using agar diffusion test. Standard strains of Enterococcus faecalis, Escherichia coli, Staphylococcus aureus, cultured on blood Mueller-Hinton agar and Candida albicans cultivated on Sabouraud Dextrose Agar, were used as test microorganisms. Results the best antimicrobial effect after 24 h both materials showed against S. aureus. The mean values of the growth inhibition zone for ALBO MCCA were 5.7 ± 0.25 mm and MTA 6.2 ± 0.4 mm. The ALBO MCCA material showed slightly stronger antibacterial effect against E. coli compared to MTA (p  lt  0.05), whereas none of the materials showed antibacterial effect against E. faecalis. Conclusion the ALBO MCCA material showed certain antibacterial effect on Escherichia coli, Staphylococcus aureus and Candida albicans that was comparable to antibacterial effect of MTA.
AB  - Uvod Od materijala koji se koriste za opturaciju kanala korena i perforacija na korenu se očekuje da pored sprečavanja apikalnog, lateralnog i koronarnog curenja, poseduju i antimikrobno delovanje na mikroorganizme, koji nisu dostupni hemomehaničkoj obradi i intrakanalnim medikamentima. Cilj ovog istraživanja je bio da se testom difuzije u agaru proceni antimikrobni efekat novog endodontskog nanostrukturnog biomaterijala na bazi kalcijum-aluminata (ALBO-MCCA). Materijal i metode U istraživanju su korišćena dva materijala. Nanostrukturni kalcijum-aluminat je sintetisan hidrotermalnom sol-gel metodom od pojedinačnih komponenata kalcijum-aluminata (CaO·Al2 O3 ), kalcita (CaCO3 ) i barijum-sulfata (BaSO4 ) kao rendgen-kontrastnog sredstva u odnosu 2 : 2 : 1 prema recepturi V. Jokanovića. Drugi korišćeni materijal je kalcijum-silikatni MTA Angelus (Londrina, Brazil). Antimikrobni efekat je ispitivan testom difuzije u agaru. Kao test mikroorganizmi korišćeni su standardni sojevi Enterococcus faecalis, Escherichia coli, Staphylococcus aureus, koji su kultivisani na krvnom agaru MuellerHinton, dok je C. albicans kultivisana na agaru Sabouraud Dextrose. Rezultati Najbolji antimikrobni efekat nakon 24 h oba materijala su pokazala prema bakteriji S. aureus. Izmerene prosečne vrednosti zone inhibicije rasta iznosile su kod ALBO-MCCA (5,7 ± 0,25 mm), odnosno kod MTA (6,2 ± 0,4 mm). Materijal ALBO-MCCA je pokazao nešto veći antibakterijski efekat prema bakteriji E. coli u odnosu na MTA (p  lt  0,05), dok prema bakteriji E. faecalis nijedan materijal nije ispoljio antibakterijski efekat. Zaključak Materijal ALBO-MCCA je ispoljio određeni antibakterijski efekat na bakterije Escherichia coli, Staphylococcus aureus i Candida albicans komparabilan sa antibakterijskim efektom MTA.
PB  - Srpsko lekarsko društvo - Stomatološka sekcija, Beograd
T2  - Stomatološki glasnik Srbije
T1  - Antibacterial activity of newly synthesized endodontic nanomaterial based on calcium aluminate
T1  - Antimikrobna aktivnost novosintetisanog endodontskog nanomaterijala na bazi kalcijum-aluminata
VL  - 66
IS  - 3
SP  - 113
EP  - 119
DO  - 10.2478/sdj-2019-0012
ER  - 
@article{
author = "Radović, Igor and Stojanović, Nikola and Krunić, Jelena and Davidović, Lado and Lečić, Jelena and Jokanović, Vukoman and Živković, Slavoljub",
year = "2019",
abstract = "Introduction Materials used for root canal obturation and root perforation are expected to have, in addition to preventing apical, lateral and coronary leakage, antimicrobial effects on microorganisms that are not accessible to chemomechanical instrumentation and intra-canal medications. The aim of this study was to evaluate the antimicrobial effect of a novel calcium aluminate-based endodontic nanostructured biomaterial (ALBO-MCCA) using agar diffusion test. Material and methods the two materials were tested in the study. The nanostructured calcium aluminate was synthesized by the hydrothermal sol-gel method from individual components of calcium aluminate (CaOxAl2 O3 ), calcite (CaCO3 ) and barium sulfate (BaSO4 ) as radiocontrast agent in the ratio of 2:2:1 according to V. Jokanovic's recipe. The other used material was calcium silicate MTA Angelus (Londrina, Brazil). The antimicrobial effect was assessed using agar diffusion test. Standard strains of Enterococcus faecalis, Escherichia coli, Staphylococcus aureus, cultured on blood Mueller-Hinton agar and Candida albicans cultivated on Sabouraud Dextrose Agar, were used as test microorganisms. Results the best antimicrobial effect after 24 h both materials showed against S. aureus. The mean values of the growth inhibition zone for ALBO MCCA were 5.7 ± 0.25 mm and MTA 6.2 ± 0.4 mm. The ALBO MCCA material showed slightly stronger antibacterial effect against E. coli compared to MTA (p  lt  0.05), whereas none of the materials showed antibacterial effect against E. faecalis. Conclusion the ALBO MCCA material showed certain antibacterial effect on Escherichia coli, Staphylococcus aureus and Candida albicans that was comparable to antibacterial effect of MTA., Uvod Od materijala koji se koriste za opturaciju kanala korena i perforacija na korenu se očekuje da pored sprečavanja apikalnog, lateralnog i koronarnog curenja, poseduju i antimikrobno delovanje na mikroorganizme, koji nisu dostupni hemomehaničkoj obradi i intrakanalnim medikamentima. Cilj ovog istraživanja je bio da se testom difuzije u agaru proceni antimikrobni efekat novog endodontskog nanostrukturnog biomaterijala na bazi kalcijum-aluminata (ALBO-MCCA). Materijal i metode U istraživanju su korišćena dva materijala. Nanostrukturni kalcijum-aluminat je sintetisan hidrotermalnom sol-gel metodom od pojedinačnih komponenata kalcijum-aluminata (CaO·Al2 O3 ), kalcita (CaCO3 ) i barijum-sulfata (BaSO4 ) kao rendgen-kontrastnog sredstva u odnosu 2 : 2 : 1 prema recepturi V. Jokanovića. Drugi korišćeni materijal je kalcijum-silikatni MTA Angelus (Londrina, Brazil). Antimikrobni efekat je ispitivan testom difuzije u agaru. Kao test mikroorganizmi korišćeni su standardni sojevi Enterococcus faecalis, Escherichia coli, Staphylococcus aureus, koji su kultivisani na krvnom agaru MuellerHinton, dok je C. albicans kultivisana na agaru Sabouraud Dextrose. Rezultati Najbolji antimikrobni efekat nakon 24 h oba materijala su pokazala prema bakteriji S. aureus. Izmerene prosečne vrednosti zone inhibicije rasta iznosile su kod ALBO-MCCA (5,7 ± 0,25 mm), odnosno kod MTA (6,2 ± 0,4 mm). Materijal ALBO-MCCA je pokazao nešto veći antibakterijski efekat prema bakteriji E. coli u odnosu na MTA (p  lt  0,05), dok prema bakteriji E. faecalis nijedan materijal nije ispoljio antibakterijski efekat. Zaključak Materijal ALBO-MCCA je ispoljio određeni antibakterijski efekat na bakterije Escherichia coli, Staphylococcus aureus i Candida albicans komparabilan sa antibakterijskim efektom MTA.",
publisher = "Srpsko lekarsko društvo - Stomatološka sekcija, Beograd",
journal = "Stomatološki glasnik Srbije",
title = "Antibacterial activity of newly synthesized endodontic nanomaterial based on calcium aluminate, Antimikrobna aktivnost novosintetisanog endodontskog nanomaterijala na bazi kalcijum-aluminata",
volume = "66",
number = "3",
pages = "113-119",
doi = "10.2478/sdj-2019-0012"
}
Radović, I., Stojanović, N., Krunić, J., Davidović, L., Lečić, J., Jokanović, V.,& Živković, S.. (2019). Antibacterial activity of newly synthesized endodontic nanomaterial based on calcium aluminate. in Stomatološki glasnik Srbije
Srpsko lekarsko društvo - Stomatološka sekcija, Beograd., 66(3), 113-119.
https://doi.org/10.2478/sdj-2019-0012
Radović I, Stojanović N, Krunić J, Davidović L, Lečić J, Jokanović V, Živković S. Antibacterial activity of newly synthesized endodontic nanomaterial based on calcium aluminate. in Stomatološki glasnik Srbije. 2019;66(3):113-119.
doi:10.2478/sdj-2019-0012 .
Radović, Igor, Stojanović, Nikola, Krunić, Jelena, Davidović, Lado, Lečić, Jelena, Jokanović, Vukoman, Živković, Slavoljub, "Antibacterial activity of newly synthesized endodontic nanomaterial based on calcium aluminate" in Stomatološki glasnik Srbije, 66, no. 3 (2019):113-119,
https://doi.org/10.2478/sdj-2019-0012 . .

Oral health related habits, knowledge and attittude in children with asthma

Davidović, Bojana; Ivanović, Mirjana; Bokonjić, Dejan; Janković, Svjetlana; Radović, Igor; Lečić, Jelena

(Srpsko lekarsko društvo - Stomatološka sekcija, Beograd, 2017)

TY  - JOUR
AU  - Davidović, Bojana
AU  - Ivanović, Mirjana
AU  - Bokonjić, Dejan
AU  - Janković, Svjetlana
AU  - Radović, Igor
AU  - Lečić, Jelena
PY  - 2017
UR  - https://smile.stomf.bg.ac.rs/handle/123456789/2229
AB  - Introduction The aim of this research was to determine oral hygiene related habits, knowledge and behavior in children with asthma compared to healthy children. Methodology This study included 136 children, between 6 to 16 years of age, divided into the two groups. The first group included children with asthma (study group - SG), while the second included healthy children (control group - CG). A questionnaire containing three groups of questions related to oral-hygiene and dietery habits as well as oral health related behaviour in children was prepared. Results The percentage of children from SG that brush teeth several times a day was 60.2% compared to 77.2% of CG children (p lt 0.05). 19.1% of SG group children versus 38.2% of CG children brush their teeth longer than 2 minutes (p lt 0.05). There was no significant difference in the level of knowledge about plaque impact on oral health between the two groups (p>0.05). More than half (52.9%) of CG respondents regularly visit dentist, while 50.0% of SG goes regularly (p lt 0.01). 51.5% of CG children visit the pediatric dentist due to preventive reasons, while SG children goes mainly due to rehabilitation of teeth (42.6%). The fear of dental procedures is more pronounced in SG compared to CG children (p lt 0.001). Conclusion Oral hygiene related habits and oral health behavior were worse in children with asthma, while no difference was found in relation to the knowledge among the observed groups.
AB  - Uvod Cilj ovog istraživanja je bio da se na osnovu upitnika ispita poznavanje oralnohigijenskih navika, znanja i ponašanja vezanog za oralno zdravlje dece sa astmom. Metode rada U istraživanje je uključeno 136 dece uzrasta od 6 do 16 godina, podeljenih u dve grupe. Prvu – studijsku grupu (SG) – činila su deca sa astmom, dok su u drugu – kontrolnu grupu (KG) – bila uključena zdrava deca. Za potrebe istraživanja kreiran je anketni upitnik koji je sadržavao tri grupe pitanja: oralnohigijenske i dijetetske navike, znanje, te ponašanje dece prema oralnom zdravlju. Rezultati Najveći procenat dece studijske grupe (60,2%) zube četka više puta u toku dana u odnosu na 77,2% dece kontrolne grupe (p  lt  0,05). Duže od dva minuta četka 19,1% dece studijske, odnosno 38,2% kontrolne grupe (p  lt  0,05). Nije bilo značajne razlike u nivou znanja o značaju i uticaju plaka na oralno zdravlje između grupa (p > 0,05). Veća polovina (52,9%) kontrolne grupe redovno posećuje stomatologa, dok 50% studijske to čini povremeno (p  lt  0,001). Kao razlog zadnje posete stomatologu, preventivnu kon- trolu je navelo 51,5% dece kontrolne grupe, dok su deca studijske grupe dolazila uglavnom zbog sanacije zuba (42,6%). Strah od stomatoloških intervencija bio je izražajniji kod dece studijske u odnosu na kontrolnu grupu (p  lt  0,001). Zaključak Oralnohigijenske navike i ponašanje u vezi sa oralnim zdravljem bili su lošiji kod dece sa astmom, dok nije bilo razlike u nivou stečenih znanja kada su ispitivane grupe u pitanju.
PB  - Srpsko lekarsko društvo - Stomatološka sekcija, Beograd
T2  - Stomatološki glasnik Srbije
T1  - Oral health related habits, knowledge and attittude in children with asthma
T1  - Oralnohigijenske navike kod dece obolele od astme
VL  - 64
IS  - 3
SP  - 121
EP  - 130
DO  - 10.1515/sdj-2017-0012
ER  - 
@article{
author = "Davidović, Bojana and Ivanović, Mirjana and Bokonjić, Dejan and Janković, Svjetlana and Radović, Igor and Lečić, Jelena",
year = "2017",
abstract = "Introduction The aim of this research was to determine oral hygiene related habits, knowledge and behavior in children with asthma compared to healthy children. Methodology This study included 136 children, between 6 to 16 years of age, divided into the two groups. The first group included children with asthma (study group - SG), while the second included healthy children (control group - CG). A questionnaire containing three groups of questions related to oral-hygiene and dietery habits as well as oral health related behaviour in children was prepared. Results The percentage of children from SG that brush teeth several times a day was 60.2% compared to 77.2% of CG children (p lt 0.05). 19.1% of SG group children versus 38.2% of CG children brush their teeth longer than 2 minutes (p lt 0.05). There was no significant difference in the level of knowledge about plaque impact on oral health between the two groups (p>0.05). More than half (52.9%) of CG respondents regularly visit dentist, while 50.0% of SG goes regularly (p lt 0.01). 51.5% of CG children visit the pediatric dentist due to preventive reasons, while SG children goes mainly due to rehabilitation of teeth (42.6%). The fear of dental procedures is more pronounced in SG compared to CG children (p lt 0.001). Conclusion Oral hygiene related habits and oral health behavior were worse in children with asthma, while no difference was found in relation to the knowledge among the observed groups., Uvod Cilj ovog istraživanja je bio da se na osnovu upitnika ispita poznavanje oralnohigijenskih navika, znanja i ponašanja vezanog za oralno zdravlje dece sa astmom. Metode rada U istraživanje je uključeno 136 dece uzrasta od 6 do 16 godina, podeljenih u dve grupe. Prvu – studijsku grupu (SG) – činila su deca sa astmom, dok su u drugu – kontrolnu grupu (KG) – bila uključena zdrava deca. Za potrebe istraživanja kreiran je anketni upitnik koji je sadržavao tri grupe pitanja: oralnohigijenske i dijetetske navike, znanje, te ponašanje dece prema oralnom zdravlju. Rezultati Najveći procenat dece studijske grupe (60,2%) zube četka više puta u toku dana u odnosu na 77,2% dece kontrolne grupe (p  lt  0,05). Duže od dva minuta četka 19,1% dece studijske, odnosno 38,2% kontrolne grupe (p  lt  0,05). Nije bilo značajne razlike u nivou znanja o značaju i uticaju plaka na oralno zdravlje između grupa (p > 0,05). Veća polovina (52,9%) kontrolne grupe redovno posećuje stomatologa, dok 50% studijske to čini povremeno (p  lt  0,001). Kao razlog zadnje posete stomatologu, preventivnu kon- trolu je navelo 51,5% dece kontrolne grupe, dok su deca studijske grupe dolazila uglavnom zbog sanacije zuba (42,6%). Strah od stomatoloških intervencija bio je izražajniji kod dece studijske u odnosu na kontrolnu grupu (p  lt  0,001). Zaključak Oralnohigijenske navike i ponašanje u vezi sa oralnim zdravljem bili su lošiji kod dece sa astmom, dok nije bilo razlike u nivou stečenih znanja kada su ispitivane grupe u pitanju.",
publisher = "Srpsko lekarsko društvo - Stomatološka sekcija, Beograd",
journal = "Stomatološki glasnik Srbije",
title = "Oral health related habits, knowledge and attittude in children with asthma, Oralnohigijenske navike kod dece obolele od astme",
volume = "64",
number = "3",
pages = "121-130",
doi = "10.1515/sdj-2017-0012"
}
Davidović, B., Ivanović, M., Bokonjić, D., Janković, S., Radović, I.,& Lečić, J.. (2017). Oral health related habits, knowledge and attittude in children with asthma. in Stomatološki glasnik Srbije
Srpsko lekarsko društvo - Stomatološka sekcija, Beograd., 64(3), 121-130.
https://doi.org/10.1515/sdj-2017-0012
Davidović B, Ivanović M, Bokonjić D, Janković S, Radović I, Lečić J. Oral health related habits, knowledge and attittude in children with asthma. in Stomatološki glasnik Srbije. 2017;64(3):121-130.
doi:10.1515/sdj-2017-0012 .
Davidović, Bojana, Ivanović, Mirjana, Bokonjić, Dejan, Janković, Svjetlana, Radović, Igor, Lečić, Jelena, "Oral health related habits, knowledge and attittude in children with asthma" in Stomatološki glasnik Srbije, 64, no. 3 (2017):121-130,
https://doi.org/10.1515/sdj-2017-0012 . .
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