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金瓷修复体与VITA成品比色板色度差
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【药学论文】杨宏军 孙 剑 王忠义摘要 目的:掌握VITA成品比色板及金瓷修复体的色度规律,合理、客观使用VITA成品比色板。方法:随机抽取由同一位技师采用YKH-1 Ni-Cr烤瓷合金、VITA VMK68系列瓷粉制作的92件前牙金瓷修复体,对其颜色及所选VITA成品比色板比色片颜色用美能达CR-100型色度计,CIE1976L*a*b*系统进行测试。结果:金瓷修复体的明度值均高于所选比色片的明度值。二者色相一致,彩度值不相同,存在肉眼能区分的颜色差异。结论:使用VITA成品比色板指导临床配色、选色时,应选择较同名牙或相邻牙明亮度低、色彩偏淡的比色片作为指导制作金瓷修复体的色标。关键词 比色板 颜色 色差 金瓷修复体
Color Comparision of VITA Shade Guide and Metal Ceramic Restoration
Yang Hongjunthe First Qingdao Sanatoria, Jinan Military RegionSun Jian401 Navy Hospital, PLAWang ZhongyiCollege of Stomatology, the Fourth Military Medical University
Abstract Objective: To understand color distribution of Vita shade guide and metal ceramic restoration and make Vita shade guide more reasonable in clinical applying. Methods: The international standard CIE1976L*a*b* color system and Minolta CR-100 spectrocolorimeter were selected to measure and compare the characteristics of th
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