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Stress Distribution Study Using the Finite Element Method in Three Different Implant-Supported Fixed Complete-Arch
Purpose:
The objective of this study was to assess the stress distribution generated by a simulated loading (100 N) in the area of the cantilever in three different five-implant mandibular protocol prosthesis models.
Materials And Methods:
The finite element analysis was carried out in three-dimensional models simulating: (1) a temporary all acrylic resin mandibular protocol prosthesis; (2) a metal-acrylic mandibular protocol prosthesis; and (3) a metal-ceramic mandibular protocol prosthesis.
Results:
The all acrylic model promoted the highest stress values on the implant closest to the cantilever loading point.
Conclusion:
This study supports the need for a metallic bar reinforcement in the denture base.
