Xu, Xin-Yi [Clinical efficacy and effects of CAD/CAM zirconia all-ceramic crown and metal-ceramic crown restoration on periodontal tissues]. [electronic resource] - Shanghai kou qiang yi xue = Shanghai journal of stomatology Jun 2017 - 331-335 p. digital Publication Type: Journal Article ISSN: 1006-7248 Subjects--Topical Terms: CeramicsComputer-Aided DesignCrownsDental PorcelainDental Prosthesis DesignHumansTreatment OutcomeZirconium