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International Journal of Computerized Dentistry



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Int J Comput Dent 17 (2014), No. 2     4. July 2014
Int J Comput Dent 17 (2014), No. 2  (04.07.2014)

Page 125-133, PubMed:25098160, Language: English/German

Finite Element Analysis of Compressive Stress and Strain of Different Implant Forms During Vertical Loading
Tanasić, I. / Tihaček-Šojić, L. / Milić-Lemić, A.
This study analyzed the influence of platform switching on the stress/strain distribution of vertically loaded implants. Employing finite element analysis, the aim of this study was to determine the distribution of stresses and strains generated by a simulated vertical load on different implant models positioned in the molar region with respect to changes of implant design and biomechanics. Two different implant designs, one with and one without platform switching, with the same length (11.5 mm) and diameter of (3.80 mm) were analyzed. Both virtual implant-bone models were subjected to a load of 500 N. The results showed that the maximum stress/strain in implant-bone samples was located in the area of the implant neck, with stress/strain values decreasing in the apical direction. It was found that the implant design with platform switching developed lower stresses and strains than the implant design without platform switching.

Keywords: platform switching implant, finite element analysis, biomechanics