There are many researchers using ShadeVision v.3.01 (or v.4.0) to track the progress of bleaching. The following document describes the set up and a suggested protocol for researchers to report XYZ, L*a*b*, and L*C*h° color data. While the following protocol suggests a technique for doing that, users are encouraged to use this protocol or experiment to find a technique that best suits their needs. Click on the hyperlink to review the detailed information. CLICK HERE.