Methods: The color range and ordering of Vita Classical and Vita 3D-Master shade guides weremeasured and analyzed with MINOLTA CM-2600d spectraphotometer under D65 standard source CIE-1976-L*a*b* colorrange system was employed in this study.

• 方法:选用CIE1976-L*a*b*色度系统,用Minolta CM-2600d 分光测色计对两种VITA比色板的色度值进行测定,对二者的色度范围做了比较分析。