Illustration 11From: 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 trial a–d Post-operative healing process at 3 days post-operative (a), 1 week post-operative (b), 1 month post-operative (c), and 3 months post-operative (d)Back to article page