Comparison of color level among Vita,Shofu and Dentsply shade guide / 实用口腔医学杂志

ABSTRACT

Objective:To compare color level among Vita,Shofu and Dentsply shade guide. Methods:Vita,Shofu and Dentsply shade guide were scanned into a computer and saved as BMP pictures. L *, a * and b * values of the color of the images were measured by Photoshop. Results:There was same trend of variation in color of the shade guides, but the maximum and minimum of L *, a * and b * in those shade guides were different. Conclusion: For matching color accurately, one shade guide can not be used to replace the other one in clinical application.