The esthetic e-Crown Jef van der Zel*, Orestes Foundation, The Netherlands *Corresponding Author: Jef van der Zel, former professor of endowed Chair in Computerized Dentistry, University of Amsterdam, The Netherlands. A CAD/CAM crown, or better an e-Crown, is nowadays increasingly synonymous with monolithic zirconia crown produced from a color and structure graded zirconia block, and […]

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