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Biomechanical analysis of implant-supported single screwed protheses under the influence of abutment type, prosthetic platform, occlusion, time of occlusal loading and esthetic recovering material

Grant number: 11/14001-3
Support Opportunities:Scholarships in Brazil - Doctorate
Effective date (Start): December 01, 2011
Effective date (End): February 28, 2015
Field of knowledge:Health Sciences - Dentistry - Dental Clinics
Principal Investigator:Altair Antoninha Del Bel Cury
Grantee:Germana de Villa Camargos
Host Institution: Faculdade de Odontologia de Piracicaba (FOP). Universidade Estadual de Campinas (UNICAMP). Piracicaba , SP, Brazil


The aim of this study is to evaluate the biomechanical behavior of implant-support single screwed protheses installed in the posterior mandible on the distribution of stresses and strains in the complex bone-implant-prosthesis by nonlinear three-dimensional finite element analysis.With the help of SolidWorks Premium 2010 will be built virtually thirty-two three-dimensional models consisting of implant-supported single screwed prothesis.These models will be installed on the mandibular bone tissue modeled by tomographic images.The study factors will be the prosthetic platform (external or internal hexagon), the UCLA abutments for prosthesis non-segmented and conical abutments for prothesis segmented, the time of prosthetic loading (load immediate or delayed loading), the incidence of occlusal load (normal or traumatic) and type of esthetic recovering material(ceramic or acrylic resin). Analysis of the distribution of stress and strain will be performed at Ansys Workbench ® software with 200N of loading. The values of maximum principal stress and strain in cortical and trabecular bone tissue and the and the values of von Mises stress and strain in implants, abutments and prosthetic retaining screws will be obtained and evaluated using descriptive statistics and analysis of variance.

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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)
CAMARGOS, GERMANA DE VILLA; SOTTO-MAIOR, BRUNO SALLES; DA SILVA, WANDER JOSE; LAZARI, PRISCILLA CARDOSO; DEL BEL CURY, ALTAIR ANTONINHA. Prosthetic abutment influences bone biomechanical behavior of immediately loaded implants. Brazilian Oral Research, v. 30, n. 1, . (11/14001-3)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
CAMARGOS, Germana de Villa. Influence of biomechanical factors associated to implant-supported single crowns and of the bone condition on the bone structure and biomechanical behavior. 2015. Doctoral Thesis - Universidade Estadual de Campinas (UNICAMP). Faculdade de Odontologia de Piracicaba Piracicaba, SP.

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