Abstract:

Color is one of the important factors for aesthetic dentistry. Color replication in aesthetic restorations includes three parts：color differentiation，color representation and color reappearance. Color can be differentiated by vision shade matching and parameters. Different shadeguides，the light of environments and the ability of color differentiation have influence on vision shade matching. There are different shade matching parameters with different optic principles and different types，which needs correct ways in clinic.

Key words: color, shade matching, shadeguide, shade matching parameters

摘要：

颜色是影响美学修复效果的重要因素之一，仿真美学修复中的色彩复制过程包括色彩的定位、色彩的表达、色彩的再现三个步骤。色彩定位可采用视觉比色和仪器测色两种方法，影响视觉比色的因素包括比色工具、比色环境、色彩感知能力和比色训练情况，采用仪器测色时应注意其光学原理及仪器类型，并且在应用中注意正确的使用方法。

关键词: 色彩, 比色, 比色板, 比色仪