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PET use for manufacture of prosthetic components and capsules for overdentures retention: evaluation of physical, mechanical and morphological properties, subjected to artificial aging

Grant number: 16/10900-7
Support Opportunities:Scholarships in Brazil - Master
Effective date (Start): September 01, 2016
Effective date (End): January 31, 2018
Field of knowledge:Health Sciences - Dentistry - Dental Materials
Principal Investigator:Andréa Cândido dos Reis
Grantee:Geyson Galo da Silva
Host Institution: Faculdade de Odontologia de Ribeirão Preto (FORP). Universidade de São Paulo (USP). Ribeirão Preto , SP, Brazil

Abstract

The quality of clinical procedures performed in dental practice is closely linked to the properties of materials and technologies applied to the oral rehabilitation. In the case of overdentures, a lack of retention between the prosthesis and the implant may occur for excessive fatigue of the capsules which connect them. This leads to treatment failure and loss of function, thereby reducing the durability and quality of life of patients. Faced with this problem this paper proposes a new material that is able to solve or minimize this problem, aiming longevity of the rehabilitation treatment. The aim of this study is to compare an original material in dentistry with existing, in the manufacture of capsules for overdenture retention before and after artificial aging. The material studied will be polyethylene terephthalate (PET) which has been showing promising material for this function due to its biocompatibility and physical and mechanical characteristics. PET will be compared with polyacetal, polyethylene and teflon already used for this function. The materials will be subjected to testing compressive strength, roughness and surface hardness, resistance to fatigue, tearing, bond strength and analysis in stereomicroscope and scanning electron microscopy. Performed the analyzes proposed, the data will be analyzed statistically. (AU)

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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)
SILVA, GEYSON GALO; DA COSTA VALENTE, MARIANA LIMA; BACHMANN, LUCIANO; DOS REIS, ANDREA CANDIDO. Use of polyethylene terephthalate as a prosthetic component in the prosthesis on an overdenture implant. Materials Science & Engineering C-Materials for Biological Applications, v. 99, p. 1341-1349, . (16/10900-7)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
SILVA, Geyson Galo da. Use of the Polyethylene Terephthalate (PET) for the preparation of prosthetic components and capsules for overdentures - physical, mechanical and morphological properties, submitted to artificial aging. 2018. Master's Dissertation - Universidade de São Paulo (USP). Faculdade de Odontologia de Ribeirão Preto (PCARP/BC) Ribeirão Preto.

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