Wounds and Injuries Clinical Trial
Official title:
Free Gingival Graft Adjunct With Low Level Laser Therapy: A Randomized Placebo- Controlled Parallel Group Study
The present placebo-controlled parallel design clinical study was planned to determine the effect of low level laser therapy on clinical periodontal conditions and dimensions of free gingival graft as well as postoperative pain levels in the surgical area.
Background: Shrinkage of the free gingival graft (FGG) and patient's discomfort during
healing period are important concerns. Therefore, this study aimed to evaluate the effect of
low level laser therapy (LLLT) in terms of enhancing wound healing, reducing graft shrinkage
and postoperative pain.
Methods: Thirty patients were randomly assigned to receive either FGG+ LLLT (test, n = 15) or
FGG + placebo LLLT (control, n = 15). In the test group, a diode laser
(aluminum-gallium-arsenide, 810 nm, 0.1 W, continuous mode, time of irradiation:60 s, energy
density: 6 J/cm2, spot size:0.5 cm) was applied immediately after the FGG surgery and 1,3,7,
and 14 days later. The control group received the same sequence of irradiation with the
laser-off. Comparison of the graft surface areas between groups at 1st, 3rd and 6th months
were made with an image-analyzing software. Complete wound epithelization, visual analogue
scale (VAS) pain score of recipient site and the number of analgesic used were evaluated
after the surgery.
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