Yap A U
National University of Singapore, Faculty of Dentistry, Department of Restorative Dentistry.
Oper Dent. 1998 Sep-Oct;23(5):266-71.
The shades of several tooth-colored restoratives are now keyed to the Vita Lumin shade guide. The purpose of this study was to determine whether manufacturers' shade guides had color attributes that were similar to the Vita Lumin guide to which they are supposedly keyed. The overall color accuracy between the different guides was also compared via colorimetry. Results showed that none of the manufacturers' shade tabs evaluated had all L*, a*, and b* values that were identical to their respective Vita shade tabs. For the shades evaluated, manufacturers' tabs were generally darker than their corresponding Vita shade tabs. When shade guides were compared, the color accuracy of Z100 and Fuji II LC shade guides was significantly better than that of Durafill VS and TPH. Dyract's shade guide was the most accurate and was significantly better than the shade guides of Fuji II LC, Durafill VS, and TPH. The accuracy of manufacturers' shade guides was not consistently product dependent but was shade dependent.
现在有几种牙齿颜色修复材料的色阶已与Vita Lumin比色板对应。本研究的目的是确定制造商的比色板是否具有与它们所对应的Vita Lumin比色板相似的颜色属性。还通过比色法比较了不同比色板之间的整体颜色准确性。结果显示，所评估的制造商的色片没有一个的L*、a和b值与其各自的Vita色片完全相同。对于所评估的色阶，制造商的色片通常比其相应的Vita色片颜色更深。当对比比色板时，Z100和富士II LC比色板的颜色准确性明显优于Durafill VS和TPH。Dyract比色板是最准确的，并且明显优于富士II LC、Durafill VS和TPH的比色板。制造商比色板的准确性并非始终取决于产品，而是取决于色阶。
