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Volume 29 , Issue 3
May/June 2016

Pages 299–302


Stress Distribution Study Using the Finite Element Method in Three Different Implant-Supported Fixed Complete-Arch Mandibular Prostheses

Luiz Felipe Butzke Coelho, DDS, MS, PhD/Josué Ricardo Broilo, DDS, MS, PhD/Evandro Afonso Sartori, DDS, MS, PhD/Luiz Oscar Honorato Mariano, DDS, MS, PhD/Tomás Geremia, DDS, MS, PhD/Leonardo Barcellos, DDS, MS, PhD/Leandro Luis Corso, BEng, MS, PhD/Rosemary Sadami Arai Shinkai, DDS, MS, PhD/Márcio Lima Grossi, DDS, MS, PhD


PMID: 27148996
DOI: 10.11607/ijp.4427

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.


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