The two figures reported refer to the response of a conical threaded implant as a function of the cortical upper thickness.
The two models depicted have the same elastic constants and loading conditions. The model of Fig. 1 has a cortical thickness of 2 mm, while the model of Fig. 2 has a cortical thickness of 1 mm. A distinction is made between cortical and trabecular.
Different values of the Young's modulus are assumed also for the regions of bone around the implant. In particular, the Young's modulus in the transition region between implant and cortical bone is set at 5.0 GPa, while the Young's modulus in the transition region between implant and trabecular bone is set at 1.5 GPa.
An intrusive force of 200 N is applied. The magnitude displacement fields for the two cases considered is reported.

3. Three Dimensional Models

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