二硅酸锂玻璃陶瓷的研究进展及其口腔临床应用

Research Progress of Lithium Disilicate Glass Ceramics and Its Oral Clinical Application

二硅酸锂玻璃陶瓷是由二硅酸锂晶体和玻璃基体组成的多晶材料,由于其晶体独特的性质和分布,是目前强度最高的一类牙科玻璃陶瓷。因其出色的美学特性、良好的生物相容性、优异的力学性能和成熟的压铸工艺,在临床上被广泛使用,越来越多的应用于贴面、嵌体、高嵌体、单冠、三单位固定桥、以及种植体基台和修复体的修复。本文就此材料近年国内外二硅酸锂玻璃陶瓷的研究进展及在临床的应用作一综述。

Lithium disilicate glass ceramics are polycrystalline materials composed of lithium disilicate crystals and glass substrates.Due to the unique properties and distribution of crystals,they are the most intense type of dental glass ceramics.Because of its outstanding aesthetic characteristics,good biocompatibility,excellent mechanical properties and mature die casting process,it is widely used in clinical practice.Lithium disilicate glass ceramics are increasingly used for veneers,inlays,onlays,single crowns,three-unit fixed bridges,and restorations of implant abutments and restorations.In this paper,the research progress and application of lithium disilicate glass ceramics at home and abroad in recent years are summarized.