Prosthetic outcomes and clinical performance of CAD‐CAM monolithic zirconia versus porcelain‐fused‐to‐metal implant crowns in the molar region: 1‐year results of a RCT

Objective To investigate the clinical performance of monolithic zirconia implant crowns as compared to porcelain‐fused‐to‐metal (PFM) implant crowns. Materials and methods Seventy‐six healthy patients received reduced diameter implants in the molar region. Following random allocation, either a monolithic zirconia crown (Mono‐ZrO2) or a (PFM) was inserted. Crown and implant survival rates, modified USPHS criteria, clinical measurements, and interproximal marginal bone level (MBL) were assessed at crown delivery (baseline, BL) and at the 1‐year follow‐up (1y‐FU). Data were analyzed descriptively. Fisher's exact test and Wilcoxon rank sum test were applied for statistical analysis. The level of statistical significance was set at p