TY  - JOUR
AU  - Šarac, Dušan
AU  - Mitrović, Nenad
AU  - Tanasić, Ivan
AU  - Misković, Žarko
AU  - Tihaček-Šojić, Ljiljana
PY  - 2019
UR  - https://smile.stomf.bg.ac.rs/handle/123456789/2450
AB  - Dental-implant overload can cause bone resorption. Load-transfer characteristics of dental implants are affected by their macro-design parameters. The goal of this study was to experimentally analyse the load-transfer characteristics of different dental implants, using polymethyl-methacrylate blocks. Three polymethyl-methacrylate blocks were created, with dimensions of (68 x 25 x 9) mm. Three dental implants, Nobel empty set3.5 mm x 15 mm, Strauman empty set4.1 mm x 10 mm and Strauman empty set4.8 mm x 12 mm. were placed in separate blocks. The samples were supported by a three-point-bending set-up and loaded with an axial force of 600 N. The 3D digital image correlation method was employed for strain and displacement measurements. The highest displacement and von Mises strain values were found for Strauman empty set4.1 mm x 10 mm (p  lt  0.05), 0.186 mm and 0.596 %, respectively. The sample of Nobel empty set3.5 mm x 15 mm showed the lowest strain values. The sample of Strauman empty set4.8 mm x 12 mm (p > 0.05) had similar strain values as Nobel empty set3.5 mm x 15 mm. The load transfer during axial loading was primarily affected by the size of the implant contact surface. The displacement and strain values in the implant vicinity may provide an insight into the effect of dental-implant design on the load transfer.
PB  - Inst Za Kovinske Materiale I In Tehnologie, Ljubjana
T2  - Materiali in Tehnologije
T1  - Experimental analysis of dental-implant load transfer in polymethyl-methacrylate blocks
VL  - 53
IS  - 1
SP  - 133
EP  - 137
DO  - 10.17222/mit.2018.081
ER  - 

@article{
author = "Šarac, Dušan and Mitrović, Nenad and Tanasić, Ivan and Misković, Žarko and Tihaček-Šojić, Ljiljana",
year = "2019",
abstract = "Dental-implant overload can cause bone resorption. Load-transfer characteristics of dental implants are affected by their macro-design parameters. The goal of this study was to experimentally analyse the load-transfer characteristics of different dental implants, using polymethyl-methacrylate blocks. Three polymethyl-methacrylate blocks were created, with dimensions of (68 x 25 x 9) mm. Three dental implants, Nobel empty set3.5 mm x 15 mm, Strauman empty set4.1 mm x 10 mm and Strauman empty set4.8 mm x 12 mm. were placed in separate blocks. The samples were supported by a three-point-bending set-up and loaded with an axial force of 600 N. The 3D digital image correlation method was employed for strain and displacement measurements. The highest displacement and von Mises strain values were found for Strauman empty set4.1 mm x 10 mm (p  lt  0.05), 0.186 mm and 0.596 %, respectively. The sample of Nobel empty set3.5 mm x 15 mm showed the lowest strain values. The sample of Strauman empty set4.8 mm x 12 mm (p > 0.05) had similar strain values as Nobel empty set3.5 mm x 15 mm. The load transfer during axial loading was primarily affected by the size of the implant contact surface. The displacement and strain values in the implant vicinity may provide an insight into the effect of dental-implant design on the load transfer.",
publisher = "Inst Za Kovinske Materiale I In Tehnologie, Ljubjana",
journal = "Materiali in Tehnologije",
title = "Experimental analysis of dental-implant load transfer in polymethyl-methacrylate blocks",
volume = "53",
number = "1",
pages = "133-137",
doi = "10.17222/mit.2018.081"
}

Šarac, D., Mitrović, N., Tanasić, I., Misković, Ž.,& Tihaček-Šojić, L.. (2019). Experimental analysis of dental-implant load transfer in polymethyl-methacrylate blocks. in Materiali in Tehnologije
Inst Za Kovinske Materiale I In Tehnologie, Ljubjana., 53(1), 133-137.
https://doi.org/10.17222/mit.2018.081

Šarac D, Mitrović N, Tanasić I, Misković Ž, Tihaček-Šojić L. Experimental analysis of dental-implant load transfer in polymethyl-methacrylate blocks. in Materiali in Tehnologije. 2019;53(1):133-137.
doi:10.17222/mit.2018.081 .

Šarac, Dušan, Mitrović, Nenad, Tanasić, Ivan, Misković, Žarko, Tihaček-Šojić, Ljiljana, "Experimental analysis of dental-implant load transfer in polymethyl-methacrylate blocks" in Materiali in Tehnologije, 53, no. 1 (2019):133-137,
https://doi.org/10.17222/mit.2018.081 . .

TY  - CONF
AU  - Mitrović, Nenad
AU  - Tanasić, Ivan
AU  - Šarac, Dušan
AU  - Milošević, Miloš
AU  - Misković, Žarko
AU  - Tihaček-Šojić, Ljiljana
AU  - Sedmak, Aleksandar
PY  - 2016
UR  - https://smile.stomf.bg.ac.rs/handle/123456789/2113
AB  - Strain analysis in the vicinity of the dental implants were the subject of many research papers. In this study, new experimental method was employed for strain determination in the surrounding area of the axially loaded dental implant, which was embedded in the resin block. This studies can improve understanding of strain distribution, and its possible effects on the surrounding structure. Dental Implant Branemark with dimensions of 14 x 3.75 mm was immersed into rectangular block of polymethil methacrylate in vertical position. Implant was distanced 2 mm and 4 mm from the block sides, and they were named as the surface 1 and surface 2, respectively. Axial load, in the range of 0 - 500 N, was applied using Universal testing machine Tinius Olsen. Digital Image Correlation method was used for measuring deformation. Results were presented in the form of horizontal and vertical strains. Horizontal strains were mostly tensile, with maximum value of 0.3 % on the bottom of the surface 1. This values decreased in the upper area of the block side. Vertical compressive strain were 2-3 times higher on the surface 1, when compared to the surface 2, with maximum values of 0.7 % located on the bottom of the surface 1, and 0.3 % on the bottom of the surface 2. Resin block models could be used for determination of strain distribution under axially loaded implants. Greatest strain concentration were located under the implants apex, in the bottom area of the block. It was concluded that, in this region, strain values decreased linearly with increase of distance from the implants surface.
PB  - Elsevier Science Bv, Amsterdam
C3  - 21st European Conference on Fracture, (ECF21)
T1  - Analysis of the effect of implant distance from the surrounding structure, in the PMMA block model
VL  - 2
SP  - 1260
EP  - 1265
DO  - 10.1016/j.prostr.2016.06.161
ER  - 

@conference{
author = "Mitrović, Nenad and Tanasić, Ivan and Šarac, Dušan and Milošević, Miloš and Misković, Žarko and Tihaček-Šojić, Ljiljana and Sedmak, Aleksandar",
year = "2016",
abstract = "Strain analysis in the vicinity of the dental implants were the subject of many research papers. In this study, new experimental method was employed for strain determination in the surrounding area of the axially loaded dental implant, which was embedded in the resin block. This studies can improve understanding of strain distribution, and its possible effects on the surrounding structure. Dental Implant Branemark with dimensions of 14 x 3.75 mm was immersed into rectangular block of polymethil methacrylate in vertical position. Implant was distanced 2 mm and 4 mm from the block sides, and they were named as the surface 1 and surface 2, respectively. Axial load, in the range of 0 - 500 N, was applied using Universal testing machine Tinius Olsen. Digital Image Correlation method was used for measuring deformation. Results were presented in the form of horizontal and vertical strains. Horizontal strains were mostly tensile, with maximum value of 0.3 % on the bottom of the surface 1. This values decreased in the upper area of the block side. Vertical compressive strain were 2-3 times higher on the surface 1, when compared to the surface 2, with maximum values of 0.7 % located on the bottom of the surface 1, and 0.3 % on the bottom of the surface 2. Resin block models could be used for determination of strain distribution under axially loaded implants. Greatest strain concentration were located under the implants apex, in the bottom area of the block. It was concluded that, in this region, strain values decreased linearly with increase of distance from the implants surface.",
publisher = "Elsevier Science Bv, Amsterdam",
journal = "21st European Conference on Fracture, (ECF21)",
title = "Analysis of the effect of implant distance from the surrounding structure, in the PMMA block model",
volume = "2",
pages = "1260-1265",
doi = "10.1016/j.prostr.2016.06.161"
}

Mitrović, N., Tanasić, I., Šarac, D., Milošević, M., Misković, Ž., Tihaček-Šojić, L.,& Sedmak, A.. (2016). Analysis of the effect of implant distance from the surrounding structure, in the PMMA block model. in 21st European Conference on Fracture, (ECF21)
Elsevier Science Bv, Amsterdam., 2, 1260-1265.
https://doi.org/10.1016/j.prostr.2016.06.161

Mitrović N, Tanasić I, Šarac D, Milošević M, Misković Ž, Tihaček-Šojić L, Sedmak A. Analysis of the effect of implant distance from the surrounding structure, in the PMMA block model. in 21st European Conference on Fracture, (ECF21). 2016;2:1260-1265.
doi:10.1016/j.prostr.2016.06.161 .

Mitrović, Nenad, Tanasić, Ivan, Šarac, Dušan, Milošević, Miloš, Misković, Žarko, Tihaček-Šojić, Ljiljana, Sedmak, Aleksandar, "Analysis of the effect of implant distance from the surrounding structure, in the PMMA block model" in 21st European Conference on Fracture, (ECF21), 2 (2016):1260-1265,
https://doi.org/10.1016/j.prostr.2016.06.161 . .

TY  - JOUR
AU  - Tanasić, Ivan
AU  - Šarac, Dušan
AU  - Mitrović, Nenad
AU  - Tihaček-Šojić, Ljiljana
AU  - Misković, Žarko
AU  - Milić-Lemić, Aleksandra
AU  - Milošević, Miloš
PY  - 2016
UR  - https://smile.stomf.bg.ac.rs/handle/123456789/2071
AB  - The purpose of this study was to investigate the influence of the abutment angulation upon the strain distribution pattern for the vertical loading situation by means of the digital image correlation (DIC) method. In addition, to find the correlation between acrylic-layer thickness around implant body and surfaces strain induced by vertical loads. Two types of samples consisted of the Straumann (R) cylindrical dental implant system (4x10mm) with the SLActive (R) surface and the poly-methyl-methacrylate were used in this study. For strain analysis, the DIC system was used, manufacturer GOM. The optical deformation measurement system consists of special set of stereo cameras and lenses, and ARAMIS software (6.2.0, Braunschweig, Germany). Maximum von Mises strain was 0.30% in the sample with the straight abutment and 0.50% in the sample with the angled abutment. Minimum strain measured by Aramis was 0.01%, detected in the 6mm surface layer of the sample with straight abutment. According to results obtained by Aramis data processing, the 4mm surface layer indicated greater overall strain in apical direction with the strains of 0.18-0.50%, depending on the force intensity. Higher strain was noticed in the thinner surface layers. The angulated abutment induced higher strain in both surface layers than the straight abutment did.
PB  - Springer, New York
T2  - Experimental Techniques
T1  - Digital Image Correlation Analysis of Vertically Loaded Cylindrical Ti-Implants With Straight and Angled Abutments
VL  - 40
IS  - 4
SP  - 1227
EP  - 1233
DO  - 10.1007/s40799-016-0120-y
ER  - 

@article{
author = "Tanasić, Ivan and Šarac, Dušan and Mitrović, Nenad and Tihaček-Šojić, Ljiljana and Misković, Žarko and Milić-Lemić, Aleksandra and Milošević, Miloš",
year = "2016",
abstract = "The purpose of this study was to investigate the influence of the abutment angulation upon the strain distribution pattern for the vertical loading situation by means of the digital image correlation (DIC) method. In addition, to find the correlation between acrylic-layer thickness around implant body and surfaces strain induced by vertical loads. Two types of samples consisted of the Straumann (R) cylindrical dental implant system (4x10mm) with the SLActive (R) surface and the poly-methyl-methacrylate were used in this study. For strain analysis, the DIC system was used, manufacturer GOM. The optical deformation measurement system consists of special set of stereo cameras and lenses, and ARAMIS software (6.2.0, Braunschweig, Germany). Maximum von Mises strain was 0.30% in the sample with the straight abutment and 0.50% in the sample with the angled abutment. Minimum strain measured by Aramis was 0.01%, detected in the 6mm surface layer of the sample with straight abutment. According to results obtained by Aramis data processing, the 4mm surface layer indicated greater overall strain in apical direction with the strains of 0.18-0.50%, depending on the force intensity. Higher strain was noticed in the thinner surface layers. The angulated abutment induced higher strain in both surface layers than the straight abutment did.",
publisher = "Springer, New York",
journal = "Experimental Techniques",
title = "Digital Image Correlation Analysis of Vertically Loaded Cylindrical Ti-Implants With Straight and Angled Abutments",
volume = "40",
number = "4",
pages = "1227-1233",
doi = "10.1007/s40799-016-0120-y"
}

Tanasić, I., Šarac, D., Mitrović, N., Tihaček-Šojić, L., Misković, Ž., Milić-Lemić, A.,& Milošević, M.. (2016). Digital Image Correlation Analysis of Vertically Loaded Cylindrical Ti-Implants With Straight and Angled Abutments. in Experimental Techniques
Springer, New York., 40(4), 1227-1233.
https://doi.org/10.1007/s40799-016-0120-y

Tanasić I, Šarac D, Mitrović N, Tihaček-Šojić L, Misković Ž, Milić-Lemić A, Milošević M. Digital Image Correlation Analysis of Vertically Loaded Cylindrical Ti-Implants With Straight and Angled Abutments. in Experimental Techniques. 2016;40(4):1227-1233.
doi:10.1007/s40799-016-0120-y .

Tanasić, Ivan, Šarac, Dušan, Mitrović, Nenad, Tihaček-Šojić, Ljiljana, Misković, Žarko, Milić-Lemić, Aleksandra, Milošević, Miloš, "Digital Image Correlation Analysis of Vertically Loaded Cylindrical Ti-Implants With Straight and Angled Abutments" in Experimental Techniques, 40, no. 4 (2016):1227-1233,
https://doi.org/10.1007/s40799-016-0120-y . .