{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T12:46:59Z","timestamp":1785415619561,"version":"3.56.0"},"reference-count":70,"publisher":"MDPI AG","issue":"6","license":[{"start":{"date-parts":[[2026,5,25]],"date-time":"2026-05-25T00:00:00Z","timestamp":1779667200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100013908","name":"Universidad Andr\u00e9s Bello","doi-asserted-by":"publisher","award":["DI-03-25\/CBC"],"award-info":[{"award-number":["DI-03-25\/CBC"]}],"id":[{"id":"10.13039\/501100013908","id-type":"DOI","asserted-by":"publisher"}]},{"award":["DI-03-25\/CBC"],"award-info":[{"award-number":["DI-03-25\/CBC"]}],"id":[{"id":"https:\/\/ror.org\/01qq57711","id-type":"ROR","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJERPH"],"abstract":"<jats:p>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\u20137 (GAD-7) scale. Secondary outcomes included maximum mouth opening range of motion (MMOROM) and mandibular functional limitation assessed by the Jaw Functional Limitation Scale\u20138 (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 &lt; 0.05), with no significant between-group differences (p &gt; 0.05). Between-group analyses showed greater reductions in anxiety in the LLLT-AT group at post-intervention (p = 0.02; Hedges\u2019 g = \u22121.35) and follow-up (p = 0.02; Hedges\u2019 g = \u22121.68). 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.<\/jats:p>","DOI":"10.3390\/ijerph23060697","type":"journal-article","created":{"date-parts":[[2026,5,25]],"date-time":"2026-05-25T15:05:08Z","timestamp":1779721508000},"page":"697","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Effectiveness of Low-Level Laser Auriculotherapy in the Treatment of Myogenic Temporomandibular Disorders and Anxiety: A Randomized, Placebo-Controlled Trial"],"prefix":"10.3390","volume":"23","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3927-1743","authenticated-orcid":false,"given":"Hern\u00e1n Andr\u00e9s","family":"de la Barra Ortiz","sequence":"first","affiliation":[{"name":"Exercise and Rehabilitation Sciences Institute, School of Physical Therapy, Faculty of Rehabilitation Sciences, Universidad Andres Bello, Santiago 7591538, Chile"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6703-8842","authenticated-orcid":false,"given":"Claudio","family":"Chamorro Lange","sequence":"additional","affiliation":[{"name":"Exercise and Rehabilitation Sciences Institute, School of Physical Therapy, Faculty of Rehabilitation Sciences, Universidad Andres Bello, Santiago 7591538, Chile"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Richard Eloin","family":"Liebano","sequence":"additional","affiliation":[{"name":"Department of Rehabilitation Sciences, University of Hartford, West Hartford, CT 06117, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,5,25]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"692","DOI":"10.1177\/0333102416686302","article-title":"Temporomandibular disorders: Old ideas and new concepts","volume":"37","author":"List","year":"2017","journal-title":"Cephalalgia"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"44","DOI":"10.1016\/j.bjae.2020.11.001","article-title":"Temporomandibular disorders","volume":"21","author":"Palmer","year":"2021","journal-title":"BJA Educ."},{"key":"ref_3","doi-asserted-by":"crossref","unstructured":"Zieli\u0144ski, G., Paj\u0105k-Zieli\u0144ska, B., and Ginszt, M. 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