Methods 3 shades of a resin cement and its try in paste were measured and analyzed by CIE L ? a ? b ? on a reflection spectrophotometer.

• 为全瓷修复时应用此种材料提供经验和依据。 方法应用光电比色仪及CIEL?a?b?色度系统，对Variolink三种颜色的试色糊剂与相应颜色的树脂粘结剂进行颜色测量和分析。