Abstract Title:

Evaluation of laser therapy and alpha-lipoic acid for the treatment of burning mouth syndrome: a randomized clinical trial.

Abstract Source:

Lasers Med Sci. 2018 Mar 3. Epub 2018 Mar 3. PMID: 29502160

Abstract Author(s):

Natália Guimarães Barbosa, Amanda Katarinny Goes Gonzaga, Luzia Leiros de Sena Fernandes, Aldilane Gonçalves da Fonseca, Salomão Israel Monteiro Lourenço Queiroz, Telma Maria Araújo Moura Lemos, Éricka Janine Dantas da Silveira, Ana Miryam Costa de Medeiros

Article Affiliation:

Natália Guimarães Barbosa


The aim of this study was to evaluate the efficacy of low-level laser therapy (LLLT) and alpha-lipoic acid (ALA) in the treatment of burning mouth syndrome (BMS) and secondary oral burning (SOB) by unstimulated sialometry, symptom assessment, and measurement of salivary TNF-α levels. Forty-four patients were randomized into four treatment groups: BMS/laser (n = 10), BMS/ALA (n = 5), SOB/laser (n = 15), and SOB/ALA (n = 14). The control group consisted of eight healthy female subjects. Unstimulated salivary flow was measured before and after treatment, andthe collected saliva was stored at - 20 °C for the analysis of TNF-α. Symptoms were evaluated before and after treatment using a pain visual analog scale. Most patients were women (81.8%) during menopause (72.2%). LLLT and ALA were efficient in increasing salivary flow only in BMS but providedsymptom relief in both conditions. TNF-α levels did not differ between patients with BMS and SOB or between those patients and the control group. No differences were observed in posttreatment TNF-α levels in either condition. The results of this study suggest that LLLT and ALA are efficient therapies in reducing burning mouth symptoms, with LLLT being more efficient than ALA.

Study Type : Human Study

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