Effects of simulated clinical grinding and subsequent heat treatment on microcrack healing of a lithium disilicate ceramic

Cheng Yuan Hung, Yu Lin Lai, Yun Lin Hsieh, Lin Yang Chi, Shyh Yuan Lee*

*此作品的通信作者

研究成果: Article同行評審

16 引文 斯高帕斯(Scopus)

摘要

Grinding intaglio surfaces of ceramic restorations with diamond burs is a common procedure to improve fit. This study evaluated the effects of simulated diamond bur grinding and subsequent veneer firing and glazing on a lithium disilicate glass- ceramic. The results revealed a significant reduction in the roughness and strength of the material after diamond bur grinding, whereas the strength was restored through crack healing and formation of a glass layer after heat treatment. The finding indicates that grinding of lithium disilicate ceramics with diamond burs may introduce flaws and cracks, and therefore subsequent heat treatments, veneer firing, or glazing, are suggested.

原文English
頁(從 - 到)496-498
頁數3
期刊International Journal of Prosthodontics
21
發行號6
出版狀態Published - 11月 2008

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