Over the past several years, there have been quite a few materials and techniques developed to match milled zirconia to the Vita shade guide. Achieving consistent shade matching can be an ongoing challenge for any labdue to several considerations, including the density of the partially-sintered disc, the depth of the liquid penetration, the accuracy of the shade of the liquid colorants, etc. To learn an easy, quick and almost paint-by-number approach to achieving excellent shade matches, download Matching Shade with Zirconia Accurately and Consistently: A Whip Mix eBook. The book contains practical step-by-step techniques and tips, developed by Al Fillastre, CDT, to shorten the learning curve with a simplified custom coloring technique that is easy, effective and predictable.