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Biomechanical analysis of unitary prostheses on external hexagon implants, made using different techniques and ceramic materials

Grant number: 18/13677-2
Support type:Scholarships in Brazil - Master
Effective date (Start): November 01, 2018
Effective date (End): December 31, 2020
Field of knowledge:Health Sciences - Dentistry - Dental Materials
Cooperation agreement: Coordination of Improvement of Higher Education Personnel (CAPES)
Principal researcher:Eduardo Piza Pellizzer
Grantee:João Pedro Justino de Oliveira Limirio
Home Institution: Faculdade de Odontologia (FOA). Universidade Estadual Paulista (UNESP). Campus de Araçatuba. Araçatuba , SP, Brazil

Abstract

The aim of this project will be to analyze the biomechanical strength of screwed unitary prostheses on external hexagon implants, made by different techniques and ceramic materials. Thus, fifty specimens will be made, by two different techniques (conventional technique and digital flow) and crown materials in five levels, being G1) Metaloceramic; G2) Coping milled with lithium silicate reinforced by zirconia dioxide and application of feldspathic ceramics; G3) Coping milled in zirconia and application of feldspathic ceramics; G4) Monolithic lithium silicate reinforced by zirconium dioxide; G5) Zirconia oxide monolithic, and time in two levels evaluating torque and torque (digital torque wrench), vertical and horizontal marginal discrepancies (3D optical microscopy) and time in two levels (initial and after mechanical cycling), fracture resistance (EMIC) and ceramic failure pattern (Steriomicroscope and SEM). The data from the measurements of each type of analysis will be submitted to the SigmaPlot software and analyzed in relation to the normal distribution (Shapiro-Wilk test and equality of variance), and then the data will be submitted to the most pertinent statistical analysis according to the results , a significant value of 0.05 will be adopted.

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Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
LIMIRIO, João Pedro Justino de Oliveira. Effects of mechanical cycling, manufacturing technique and ceramics types on the marginal fit and fracture resistance of implant-supported prostheses. 2020. Master's Dissertation - Universidade Estadual Paulista (Unesp). Faculdade de Odontologia. Araçatuba Araçatuba.

Please report errors in scientific publications list by writing to: cdi@fapesp.br.