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Stress analysis in splinted implant-supported prosthesis varying the implant location and pontic and cantilever. Study by three-dimensional finite element analysis.

Grant number: 12/24893-1
Support type:Scholarships in Brazil - Master
Effective date (Start): October 01, 2013
Effective date (End): February 28, 2015
Field of knowledge:Health Sciences - Dentistry - Dental Materials
Principal Investigator:Eduardo Piza Pellizzer
Grantee:Victor Eduardo de Souza Batista
Home Institution: Faculdade de Odontologia (FOA). Universidade Estadual Paulista (UNESP). Campus de Araçatuba. Araçatuba , SP, Brazil


The aim of this study will be to evaluate the stress distribution generated by the splinted implant-supported prosthesis varying the implants location, pontic and cantiliver configuration, using the finite element method. For this study will be simulated 6 3-D model with aid of CAD softwares Rhinoceros 4.0 and Solidworks 2010 besides InVesalius software that will be used to bone tissue reconstruction. Each model will represent a posterior maxillary bone section simulating type IV bone (cortical and spongy), with presence of 2 or 3 implants (Conexão Sistemas de Prótese Ltda., São Paulo, Brasil) external hexagonal implants, with 4,0mm x 10,00mm, supporting 3-units prosthesis, being: Model 1 - Aligned implants supporting single crowns; model 2 - aligned implants supporting 3-unit splinted prosthesis; model 3 - implant tripod alignment supporting 3-unit splinted prothesis; model 4 - 3-unit splinted prosthesis central pontic; model 5 - 3-unit splinted prosthesis mesial cantilever; model 6 - 3-unit splinted prosthesis distal cantilever. The 3D models will be exported to the software FEMAP 10.2 for pre- and post- processing and mesh generation besides load definition (200N vertical and 100 N oblique (45°)) applied in the internal area of the crown cusp. After, the models will solved by NeiNastran 9.0 finite element software and the results will be visualized by Von Mises stress and maximum principal stress maps individualized as required and necessary for each proposed model.

Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
DE SOUZA BATISTA, VICTOR EDUARDO; VERRI, FELLIPPO RAMOS; DE FARIA ALMEIDA, DANIEL AUGUSTO; SANTIAGO JUNIOR, JOEL FERREIRA; LEMOS, CLEIDIEL APARECIDO ARAUJO; PELLIZZER, EDUARDO PIZA. Finite element analysis of implant-supported prosthesis with pontic and cantilever in the posterior maxilla. COMPUTER METHODS IN BIOMECHANICS AND BIOMEDICAL ENGINEERING, v. 20, n. 6, p. 663-670, 2017. Web of Science Citations: 5.
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
BATISTA, Victor Eduardo de Souza. Análise das tensões em próteses implantossuportadas esplintadas, variando a localização dos implantes, pôntico e cantilever : estudo pelo método dos elementos finitos tridimensionais. 2015. Master's Dissertation - Universidade Estadual Paulista "Júlio de Mesquita Filho" Faculdade de Odontologia (Campus de Araçatuba)..

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