Marginal adaptation of Cerec 3 CAD/CAM composite crowns using two different finish line preparation designs.

Abstract

PURPOSE The purpose of this study was to compare marginal discrepancies of Cerec 3 CAD/CAM composite crowns, fabricated on human prepared teeth with two different finish line designs, chamfer and shoulder. MATERIALS AND METHODS Sixteen human molar teeth were used to prepare full crowns. Eight teeth were prepared with a 1-mm-wide chamfer finish line and… (More)

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