Ohlmann, Brigitte Comparison of incidence of complications and aesthetic performance for posterior metal-free polymer crowns and metal-ceramic crowns: results from a randomized clinical trial. [electronic resource] - Journal of dentistry Jun 2014 - 671-6 p. digital Publication Type: Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 1879-176X Standard No.: 10.1016/j.jdent.2014.03.002 doi Subjects--Topical Terms: AdultAgedApatites--chemistryCementation--methodsComposite Resins--chemistryCrownsDental Materials--chemistryDental Plaque IndexDental Prosthesis DesignDental Restoration FailureDental Restoration WearEsthetics, DentalFemaleFollow-Up StudiesGlass--chemistryHumansMaleMetal Ceramic Alloys--chemistryMiddle AgedPeriodontal IndexResin Cements--chemistryRoot Canal TherapyYoung Adult