Long-term effect of firing protocols on surface roughness and flexural strength of lithium disilicate glass-ceramic
Kaíssa da Cunha Lima,
Rocio Geng Vivanco,
Pedro Roberto Braz Rodrigues
et al.
Abstract:This study evaluated the effect of different firing protocols on the surface roughness and flexural strength of CAD/CAM lithium disilicate glass-ceramic (LD) after aging methods. Forty-two LD bars of 16 x 4 x 2 mm (IPS e-max CAD, Ivoclar) were randomly separated into two groups according to firing protocols: Single firing-Staining, glazing, and crystallization in a single step; Multiple firings-Crystallization+First staining+Firing+Second staining+Firing+Glazing+Firing. After protocols, initial surface roughne… Show more
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