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Analysis of stress distribution in mandibular protocol made by the conventional system and CAD/CAM, varying type, number and inclination of the implants

Grant number: 14/12927-4
Support type:Scholarships in Brazil - Master
Effective date (Start): December 01, 2014
Effective date (End): January 31, 2016
Field of knowledge:Health Sciences - Dentistry - Dental Materials
Cooperation agreement: Coordination of Improvement of Higher Education Personnel (CAPES)
Principal researcher:Renata Cristina Silveira Rodrigues Ferracioli
Grantee:Cristian Sbardelotto
Home Institution: Faculdade de Odontologia de Ribeirão Preto (FORP). Universidade de São Paulo (USP). Ribeirão Preto , SP, Brazil


The use of implantosuported prostheses for rehabilitation of edentulous patients increased considerably in recent years, the implant-supported fixed complete denture, also called Branemark protocol prostheses has become a treatment option for edentulous patients, the total fixed prosthesis mandibular first treatment modality introduced with dental implants and is still used as a means of rehabilitation possess good directions .The term osseointegration by Branemark was defined as direct bone apposition around the implant without the apparent presence of soft tissue between the implant and the bone tissue, allowing the transfer of charges generated directly to the supporting bone. One of the main complications that persist in implant treatment is bone resorption, particularly at the level of the bone crest that can affect the success of rehabilitation in the long term, leading to the loss of the implant. The longevity of dental implants may be compromised by the concentration of harmful tensions arising from occlusal overload or periimplantites. There is no consensus in the literature about the best prosthetic planning for edentulous patients to minimize the stresses generated in the bone-implant interface. The aim of this study is to compare the tensions generated by protocol type prostheses in edentulous jaws. Two different configurations as the number and placement of implants (4 or 5 implants), different prosthetic connections (external hexagon and Morse taper) and prosthetic protocol obtained by conventional casting and machined by CAD-CAM system will be analyzed. (AU)

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Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
SBARDELOTTO, Cristian. Stress distribution analysis of mandibular protocol confectioned by the conventional system and cad/cam, ranging type, number and inclination of the implants. 2016. Master's Dissertation - Universidade de São Paulo (USP). Faculdade de Odontologia de Ribeirão Preto (PCARP/BC) Ribeirão Preto.

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