Effectiveness of Low-Level Laser Auriculotherapy in the Treatment of Myogenic Temporomandibular Disorders and Anxiety: A Randomized, Placebo-Controlled Trial
de la Barra Ortiz HA, Chamorro Lange C, Liebano RE
International journal of environmental research and public health · 1 cita
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
- Universidad u hospital
- Universidad Andrés Bello
- Subvenciones
- Universidad Andrés Bello (DI-03-25/CBC)
Según 1 financiador declarado.
Publicación
- Publicado
- 2026-05-25 · Int J Environ Res Public Health · vol. 23 · número 6 · pág. 697
- Editorial
- Multidisciplinary Digital Publishing Institute
- Citado
- 1 cita · más que el 96% de estudios similares · 7.3× el promedio de su campo
- Impacto
- Entre el 10 % más citado de su campo
- Referencias
- 64 trabajos
- Acceso
- Acceso abierto (revista) · CC-BY
- Áreas de investigación
- Temporomandibular Joint Disorders · Laser Applications in Dentistry and Medicine · Myofascial pain diagnosis and treatment
- Palabras clave
- anxiety, myofascial release, manual therapy, pressure pain threshold, jaw functional limitation, adjunctive therapy, musculoskeletal pain
- MeSH
- humans, temporomandibular joint disorders, treatment outcome, anxiety, pain threshold, adult, middle aged, female, male, auriculotherapy, young adult, low-level light therapy
3 autores
- Hernán Andrés de la Barra Ortiz🇨🇱Universidad Andrés Bello
- Claudio Chamorro Lange🇨🇱Universidad Andrés Bello
- Richard Eloin Liebano🇺🇸University of Hartford
Resumen
El texto original del estudio, en el idioma en que se publicó.
Low-level laser auriculotherapy (LLLT-AT) is a non-invasive intervention increasingly explored for the management of musculoskeletal pain and psycho-emotional symptoms, which frequently coexist in myogenic temporomandibular disorders (TMDs). This randomized, assessor-blinded, placebo-controlled clinical trial evaluated the effectiveness of LLLT-AT as an adjunct to manual therapy in improving pressure pain threshold (PPT) and anxiety in individuals with myogenic TMDs. Forty-four participants with myogenic TMDs and clinically relevant anxiety were randomly allocated to an experimental group receiving LLLT-AT combined with a standardized myofascial release protocol (n =21) or to a control group receiving sham LLLT-AT with the same manual therapy (n =23). Interventions were delivered twice weekly for three weeks. Primary outcomes were PPT, assessed by pressure algometry, and anxiety, measured using the Generalized Anxiety Disorder-7 (GAD-7) scale. Secondary outcomes included maximum mouth opening range of motion (MMOROM) and mandibular functional limitation assessed by the Jaw Functional Limitation Scale-8 (JFLS-8). Outcomes were evaluated at baseline, post-intervention, and at a four-week follow-up. Both groups demonstrated significant within-group improvements in PPT, MMOROM, and JFLS-8 over time (p p > 0.05). Between-group analyses showed greater reductions in anxiety in the LLLT-AT group at post-intervention (p = 0.02; Hedges' g = -1.35) and follow-up (p = 0.02; Hedges' g = -1.68). LLLT-AT did not confer additional mechanical or functional benefits but was associated with greater reductions in anxiety when used as an adjunct to manual therapy.
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