Effect of Anterior Implant Treatment on DA, Aesthetic Perception and OHRQoL Changes

Patients received routine examinations before surgery. The surgical procedures were performed by experienced experts. Immediate loading protocol was delivered if the insertion torque was over 35 N·cm; otherwise, removable restorations with submerged implants were applied. After a healing period of 3 to 6 months, a definitive screw-retained porcelain-fused-to-metal (PFM) or a CAD/CAM zirconia restoration were performed.