VitaMarkⅡ牙体修复材料遮色能力的研究
Study on Color Masking Ability of Restoration Material Vita Mark II
作者：章非敏,赵云凤
Author：ZHANG Feimin*,ZHAO Yunfeng
收稿日期：2003-12-25 年卷（期）页码：2003,21(06):454-
期刊名称：华西口腔医学杂志
Journal Name：West China Journal of Stomatology
关键字：牙体修复材料,切削陶瓷,Vita MarkⅡ,遮色能力,
Key words：restoration material,machining ceramic,Vita Mark II,color masking ability,
基金项目：本课题为国家自然科学基金资助项目(编号39970799)
中文摘要
目的 探讨计算机辅助设计和制造(CAD/CAM)切削陶瓷Vita MarkⅡ的遮色能力,及此能力与厚度和色系间的关系。方法 Vita MarkⅡA3C/18和A2C/18两个色系的0·5 mm,1·0 mm和1·5 mm厚度的试件样本各5 个,覆盖在模拟变色牙的底质上,测量其颜色变化。结果 不同厚度和色系的Vita MankⅡ的遮色能力之间存在显著性差异(P
英文摘要
Objective The purpose of this study was to evaluate the color masking ability of Computer Aided Design/ ComputerAided Manufacture(CAD/CAM) machining ceramic Vita Mark II, this ability was affected by thickness and shade. Methods Each of 5 specimens of 0·5 mm, 1·0 mm and 1·5 mmVitaMark II A3C/18 and A2C/18 were prepared and the color change was measured after the substrate simulating stained teeth was covered with the specimen.Results Statistically significant differences (P
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