Abstract
BackgroundEvaluate the effect of LLLT in the treatment of burning mouth syndrome (BMS).Material and MethodsTwenty-one BMS patients were randomly assigned to two groups: 12 in the laser group (LG) and 9 in the control group (CG). Patients in the LG underwent 2-week sessions of LLLT for 4 weeks. The spot tip area of this tool is 0.088cm2, semi-conductor GaAlAs, with a wavelength of 808nm ±5nm (infrared), 200 mW output power, 1.97W/cm2 of power density, 3 J energy per point and application time 15 seconds per point. LLLT was applied punctually, in continuous emissions, on each of the sites where there was a symptom. Symptoms were evaluated with a visual analogue scale (VAS) and patient psychological profiles were assessed using the Hospital Anxiety-Depression Scale. No side effects were recorded. Statistical analysis was carried out via ANOVA and logistic regression analysis.ResultsThe initial VAS score mean was 8.9 for the LG and 8.3 for the CG (p >0.05). After the eighth session the VAS score was 5.5 and 5.8 respectively, and at two months it was 4.7 and 5.1 respectively. Improvement variables were established by dichotomizing the pain scales. We obtained levels of significance for the improvement variable for the LG at the two-month follow-up (p=0.0038) and for the univariate analysis of the treatment. The improvement was marginally significant in the multivariant analysis of: dry mouth, dysgeusia, pain and the treatment (p=0.0538).ConclusionsLLLT may be an alternative treatment for the relief of oral burning in patients with BMS. Key words:Burning mouth syndrome, oral pain, laser dentistry, laser therapy, low intensity laser therapy.
Highlights
Burning mouth syndrome (BMS) is a common pathology
level laser therapy (LLLT) may be an alternative treatment for the relief of oral burning in patients with burning mouth syndrome (BMS)
The analgesic effect of the laser radiation is due to the inhibition of nociceptive mediators and the release of endogenous analgesic substances, such as endorphins, by the Central Nervous System (CNS), which works to inhibit the transmission of painful stimuli [27,28]
Summary
It is characterized by a stinging sensation or sometimes even pain, both of which in the absence of associated pathology or lesions [1] Those who suffer from BMS have symptoms of varying degrees and the intensity can be attributed to their general clinical status, especially with respect to psychological factors [2,3,4], which may be linked to the sleep disorders of some patients [5]. Santos et al (2011) [24], treated 10 patients with BMS with weekly sessions of LLLT for a period of 10 weeks, using the InGaAIP laser diode in continuous mode. They used a wavelength of 660 nm, 40 mW, 20 J/cm of dosimetry and 0.8 J per point for 10 seconds. Statistical analysis was carried out via ANOVA and logistic regression analysis
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