Evaluation of low-level laser therapy effectiveness on the pain and masticatory performance of patients with myofascial pain
de Moraes Maia ML, Ribeiro MA, Maia LG, Stuginski-Barbosa J, Costa YM, Porporatti AL, Conti PC, Bonjardim LR
Lasers in medical science · 41 citas
Cómo se estudió
- Diseño
- Ensayo controlado aleatorizado (indexado por PubMed)
- Estudiado en
- Personas
- Resultado principal
- Marcadores de salud y funcionamiento
Quién lo pagó
- Financiación
- Financiación independiente
- Gobierno
- Conselho Nacional de Desenvolvimento Científico e Tecnológico
- Universidad u hospital
- Universidade Federal de Sergipe
Según 2 financiadores declarados.
Publicación
- Publicado
- 2012-11-09 · Lasers Med Sci · vol. 29 · número 1 · págs. 29–35
- Editorial
- Springer Science+Business Media
- Citado
- 78 citas · más que el 95% de estudios similares · 5.3× el promedio de su campo
- Impacto
- Entre el 10 % más citado de su campo
- Referencias
- 43 trabajos
- Acceso
- De pago
- Áreas de investigación
- Temporomandibular Joint Disorders · Laser Applications in Dentistry and Medicine · Myofascial pain diagnosis and treatment
- Palabras clave
- low-level laser therapy, myofascial pain, temporomandibular disorders, masticatory performance, pressure pain threshold, pain intensity, masticatory muscles, placebo effect
- MeSH
- masticatory muscles, humans, temporomandibular joint disorders, facial pain, pain measurement, pain threshold, mastication, adolescent, adult, female, male, lasers, semiconductor, young adult, low-level light therapy
8 autores
- Mila Leite de Moraes Maia🇧🇷Universidade Federal de Sergipe
- Maria Amália Gonzaga Ribeiro🇧🇷Universidade Federal de Sergipe
- Luiz Guilherme Martins Maia🇧🇷Universidade Tiradentes; Universidade Estadual Paulista (Unesp)
- Juliana Stuginski‐Barbosa🇧🇷Universidade de São Paulo
- Yuri Martins Costa🇧🇷Universidade de São Paulo
- André Luís Porporatti🇧🇷Universidade de São Paulo
- Paulo César Rodrigues Conti🇧🇷Universidade de São Paulo
- Leonardo Rigoldi Bonjardim🇧🇷 · autor de correspondenciaUniversidade Federal de Sergipe
Resumen
El texto original del estudio, en el idioma en que se publicó.
This study investigated the effect of low-level laser therapy (LLLT) on the masticatory performance (MP), pressure pain threshold (PPT), and pain intensity in patients with myofascial pain. Twenty-one subjects, with myofascial pain according to Research Diagnostic Criteria/temporomandibular dysfunction, were divided into laser group (n = 12) and placebo group (n = 9) to receive laser therapy (active or placebo) two times per week for 4 weeks. The measured variables were: (1) MP by analysis of the geometric mean diameter (GMD) of the chewed particles using Optocal test material, (2) PPT by a pressure algometer, and (3) pain intensity by the visual analog scale (VAS). Measurements of MP and PPT were obtained at three time points: baseline, at the end of treatment with low-level laser and 30 days after (follow-up). VAS was measured at the same times as above and weekly throughout the laser therapy. The Friedman test was used at a significance level of 5% for data analysis. The study was approved by the Ethics Committee of the Federal University of Sergipe (CAAE: 0025.0.107.000-10). A reduction in the GMD of crushed particles (p < 0.01) and an increase in PPT (p < 0.05) were seen only in the laser group when comparing the baseline and end-of-treatment values. Both groups showed a decrease in pain intensity at the end of treatment. LLLT promoted an improvement in MP and PPT of the masticatory muscles.
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