Fig. 3From: The effect of PRF (platelet-rich fibrin) inserted with a split-flap technique on soft tissue thickening and initial marginal bone loss around implants: results of a randomized, controlled clinical trialPeri-implant bone level at baseline, 3 months post-operative, and 6 months post-operative. a Mesial defect depth. b Mesial defect width. c Distal defect depth. d Distal defect widthBack to article page