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Adaptação marginal e interna de restaurações cerâmicas

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Hlavní autor: Colpani, Juliana Tereza
Datum vydání: 2012
Médium: Master thesis
Jazyk: por
Zdroj: Repositório Institucional da UPF
Download full: https://repositorio.upf.br/handle/123456789/3988
Shrnutí: An adequate marginal and internal adaptation is an important factor for the prosthetic restorations clinical success and longevity. The objectives of this study are: (1) to measure the marginal and internal adaptation of different prosthetic crowns infrastructures (IE); (2) to analyze two types of methodologies (replica and weight technique) used to evaluate the adaptation of indirect restorations. Ceramic IE were fabricated using CAD/CAM technology and slip-casting technique, and metal IE were produced by casting. For each experimental group, the adaptation was evaluated with the replica and the weight technique (n=10), using an impression material (low viscosity silicon) to simulate the luting agent. Cross-sectional images of the silicon replica were obtained and analyzed with Image J software to measure the low viscosity silicon layer thickness at pre-determined points. The weight of the silicon layer, which simulates the IE luting agent, was also measured. Results were statistically analyzed with Anova and Tukey s test (£=0.05). Pearson correlation was used to analyze the relation between the two types of methodologies. All IE evaluated showed clinically acceptable internal and marginal adaptation. There is no correlation between the replica and the weight technique (p>0.05)

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