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Resumo IPEN-doc 13825 Infrared laser irradiation applied to the treatment of burning mouth syndrome2008 - KATO, ILKA T.; PELLEGRINI, VIVIAN; PRATES, RENATO A.; WETTER, NIKLAUS U.; RIBEIRO, MARTHA S.; SUGAYA, NORBERTO N.Artigo IPEN-doc 16109 Low-level laser therapy in burning mouth syndrome patients2010 - KATO, ILKA T.; PELLEGRINI, VIVIAN D.; PRATES, RENATO A.; RIBEIRO, MARTHA S.; WETTER, NIKLAUS U.; SUGAYA, NORBERTO N.Objective: The aim of this study was to investigate the effect of low-level laser therapy (LLLT) on the treatment of burning mouth syndrome (BMS). In addition, the laser effect was compared on the different affected oral sites. Materials and Methods: Eleven subjects with a total of 25 sites (tongue, lower lip, upper lip, and palate) affected by a burning sensation were selected. The affected areas were irradiated once a week for three consecutive weeks with an infrared laser (l ¼ 790 nm). The probe was kept in contact with the tissue, and the mucosal surface was scanned during the irradiation. The exposure time was calculated based on the fluence of 6 J/cm2 , the output power of 120 mW, and the area to be treated. Burning intensity was recorded through a visual analog scale before and after the treatment and at the 6-week follow-up. The percentage of the improvement in symptoms was also obtained. Results: Burning intensity at the end of the laser therapy was statistically lower than at the beginning ( p < 0.01). Patients reported an 80.4% reduction in the intensity of symptoms after laser treatment. There was no statistical difference between the end of the treatment and the 6-week follow-up, except for the tongue site. Conclusion: Under the investigated parameters, infrared LLLT proved to be a valuable alternative for BMS treatment, providing a significant and lasting reduction in symptoms.