In this example the influence of the mechanical properties of the periimplant bone tissue on the response of a conical threaded implant are considered .
The two models depicted have the same geometry and loading conditions. The only difference is represented by the values of the Young's modulus assumed for the different periimplant bone regions. In the case reported in Fig. 1, the Young's modulus in the transition region between implant and cortical bone, is set at 5.0 GPa and the Young's modulus in the transition region between implant and trabecular bone is set at 1.5 GPa. In the case reported in Fig. 2, the Young's modulus in the transition region between implant and cortical bone, is set at 0.6 GPa and the Young's modulus in the transition region between implant and trabecular bone is set at 0.6 GPa.
An intrusive force of 200 N is applied. The magnitude displacement fields for the two cases considered are depicted.
The characteristics of the conical shape and the presence of a conical thread, modify the response with respect to the case of a cylindrical smooth implant.

3. Three Dimensional Models

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