[Color in dentistry and how to resolve its problems].

As all we know in the most of schools do not teach color knowledges, neither the way to take it in dental office. This article attempt to help to student, dentist and ceramist to understand color, its origin, metamerism phenomenon, dimensions or cualities; so we can refer about color and communicate in proper way. Also we order concepts as rules that they can be useful for helping to resolve this complex problem.