Journal of Indian Society of Periodontology
Journal of Indian Society of Periodontology
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Year : 2018  |  Volume : 22  |  Issue : 5  |  Page : 419-426

Effect of low-level laser therapy on wound healing and patients' response after scalpel gingivectomy: A randomized clinical split-mouth study

Department of Periodontology and Oral Implantology, MGV KBH Dental College and Hospital, Nashik, Maharashtra, India

Correspondence Address:
Chetan Purushottam Raut
22 Deendayal Nagar, Dharampeth Griha Nirman Society, Nagpur - 440 022, Maharashtra
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jisp.jisp_239_18

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Background: Low-level laser therapy (LLLT) is based on the principle of biostimulation or biomodulation effect. LLLT after gingivectomy has resulted in better wound healing because of its action on collagen synthesis, angiogenesis, and growth factor release. Aim: The aim of this split-mouth controlled clinical trial was to assess the effect of LLLT, using diode laser (InGaAsP), on wound healing and patients' response after scalpel gingivectomy. Materials and Methods: Forty patients with gingival enlargement in the maxillary and mandibular anterior region (bilaterally symmetrical) were included in the study. After gingivectomy, a diode laser (InGaAsP) was randomly applied to one side of the surgical area on the 1st, 3rd, and 7th day postoperatively. The surgical areas were disclosed by a solution (Alpha Plac®) to visualize the areas where the epithelium was absent. Comparison of the surface areas on the LLLT-applied sites and controls was made clinically by visualizing the stained area by two examiners. Results: LLLT-applied sites had significantly lower stained areas signifying improved wound healing compared with the controls on the postoperative 7th and 30th day. Conclusion: Within the limitations of this study, the results indicated that LLLT might improve wound healing after gingivectomy.

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