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The concept was introduced in 1995 by Prof. Dr. D. Dietschi and published for the first time in 1997. It is based on the idea of approaching nature as closely as possible, using a simplified and more reliable layering approach with only two layers (dentin & enamel) to perfectly mimic the tooth structure and appearance. The inspiro Direct Esthetic Line represents the latest development in the application of the Natural Layering Concept, with improved optical properties and a more comprehensive, logical choi
