Influence of different glaze firing protocols on the mechanical properties of CAD-CAM ceramic materials

Autor: Joissi Ferrari Zaniboni, Aryvelto Miranda Silva, Cristiane de Melo Alencar, Thiago Soares Porto, Renato Goulart Jasinevicius, Carlos Alberto Fortulan, Edson Alves de Campos
Rok vydání: 2022
Předmět:
Zdroj: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
ISSN: 0022-3913
DOI: 10.1016/j.prosdent.2022.03.009
Popis: The influence of different glaze firing protocols and cooling on the behavior of computer-aided design and computer-aided manufacturing (CAD-CAM) ceramics is unclear.The purpose of this in vitro study was to investigate the influence of different glaze firing protocols on the abrasion resistance, surface roughness, microhardness, and brittleness index of CAD-CAM ceramics.Rectangular specimens of IPS e.max CAD (MAX), IPS Empress CAD (PRE), and CEREC Blocs (CER) were obtained and divided into 5 groups according to the glaze firing protocol (n=8): control (CO), 1 conventional glaze firing (GF), 2 conventional glaze firings (GFGroups GFCeramic specimens with conventional glaze firing presented less surface wear than those with extended glaze firing. The number of firings did not have a statistically significant influence.
Databáze: OpenAIRE
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