What is the difference between the Traditional Shaded Layering Technique and the Anatomical Technique and how can 4 Seasons be used with both techniques?
The traditional Shaded Layering Technique has been the preferred technique of dentists for many years. It simply consists of “MATCHING” the shade of the existing tooth. In this case the dentist simply determines the shade of the tooth by holding a shade guide close to the enamel surface of the hydrated tooth and selecting one of the 20 Enamel Shades. After preparation, the tooth is restored, from bottom to top, with the one shade. For example, if the restoration consisted of both the dentin and the enamel layer, A2 dentin and A2 enamel would be used. The Anatomical Build-up Technique is representative of the build-up techniques followed by laboratory ceramists when creating highly esthetic indirect restorations (e.g. Empress®.) Utilizing the 4 Seasons Enamel Value shades, dentists now have the opportunity to “CREATE” shades of existing teeth. As we all know, the natural color of our teeth is derived from the dentin layer. In this case the dentist would simply determine the relative val
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