Background and Aim: This study compared the efficacy of acellular dermal matrix (ADM) with and without injectable platelet-rich fibrin (iPRF) and free gingival graft (FGG) for the enhancement of periimplant keratinized gingiva width (KGW).Materials and Methods: In this randomized controlled clinical trial, 36 dental implants with KGW0.05).Conclusion: All three tested methods significantly increased the periimplant KGW.Although FGG was the most effective for the enhancement of KGW, it was associated with the highest postoperative pain level.IPRF-impregnated ADM may be considered as an acceptable, less invasive, and less painful approach for patients not consenting to FGG, although it had no significant difference with ADM alone.
Shahbazpey et al. (2026) studied this question.