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Abstract
The aim of this study was to assess stress/strain of different implant modeling simplifications by 3D-FEA. Three variation of external hexagon implant (Ø3.75 × 10 mm) supporting one molar crown were simulated: A (no threads); B (slightly threads simplification); C (original design). 200 N (axial) and 100 N (oblique) were applied. Cortical bone was evaluated by maximum principal stress and microstrain qualitatively and quantitatively (ANOVA and Tukey post hoc (p < 0.05)). Higher stress levels (p < 0.05) were observed in model A. Models B and C presented similar stress transmission. It was possible to conclude that slightly simplification should be used for studies evaluating stress transferring for bone tissue.
Acknowledgements
The authors would like to express gratitude to Sao Paulo Research Foundation – FAPESP, Brazil [grant number 2011/01045-2], National Counsel of Technological and Scientific Development – CNPq, Renato Archer Research Center, Campinas, SP, Brazil, Conexão Sistemas de Prótese, Arujá, São Paulo, Brazil.
