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目的：获得Ｖｉｔａｐａｎ ３Ｄ－Ｍａｓｔｅｒ比色板各色片的色度值分布规律。方法：用美能达色差计ＣＲ－３２１（Ｄ６５光源）以 ＣＩＥ－１９７６－Ｌ*ａ*ｂ*色度值对市售Ｖｉｔａｐａｎ ３Ｄ－Ｍａｓｔｅｒ比色板进行色空间的测定和统计，分析其临床使用的可能性。结果：Ｖｉｔａｐａｎ ３Ｄ－Ｍａｓｔｅｒ比色板的 ２６个色片在三维色空间中的明度轴上呈５个层面分布；在２、３、４层面内，６个色片因色调和彩度的不同围绕中间色片呈等距环形分布；Ｌ１．５和Ｌ２．５包片在组内色空间的色调值偏向黄色，Ｒ１．５和Ｒ２．５色片的色调值偏向红色。Ｍ１～３则介于两者之间。结论： Ｖｉｔａｐａｎ ３Ｄ－Ｍａｓｔｅｒ比色板较完善和等距离的覆盖了牙齿颜色空间，确保了颜色选择、交流和复制的准确性。
Objective: To obtain the distribution of the colorimetric value of each color plate of Vitapan 3D-Master color palette. Methods: The color space of commercially available Vitapan 3D-Master color palette was measured by CIE-1976-L * a * b * chromaticity value with Minolta colorimeter CR-321 (D65 light source) The possibility of. Results: The 26 color patches of the Vitapan 3D-Master color palette were distributed in five levels in the lightness axis of the three-dimensional color space. In the two, three and four levels, the six color patches were surrounded by different hue and saturation The middle color patches are distributed in an equidistant ring shape. The tone values of L1.5 and L2.5 patches are yellow in the color space of the group, and the tone values of the R1.5 and R2.5 color patches are red. M1 ~ 3 is between the two. Conclusion: The perfect and equidistant coverage of the tooth color space of the Vitapan 3D-Master color palette ensures the accuracy of color selection, communication and reproduction.