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Abstract Background The aim of this study was to evaluate the effects of photobiomodulation (PBM) on wound healing, pain, and discomfort at free gingival graft (FGG) donor sites. Methods Sixteen patients in need of bilateral FGG were selected for this randomized, controlled, triple-blinded, and split mouth clinical trial. The FGG donor sites in test group were treated with LLLT GaAlAs 940 nm, 5 J/cm2 immediately after surgery and every other day within the following ten days. The control group received sham irradiation. Remaining Wound Area (RWA), Epithelialization and color match were evaluated on the day of surgery and 7, 14, 21, 28, and 60 days after surgery. A questionnaire was administered to measure pain and bleeding in the first ten days after surgery. Results RWA was significantly smaller in the test than control group on the days 7 (p 0.05), nor did the Color match scores on the 28th and 60th days after the surgery (p > 0.05). Conclusions It can be concluded that PBM enhances FGG donor site wound healing one and two weeks after the surgery. Trial registration IRCT2017092036203N2, registered 01.11.2017. |
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