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Anthony Villafañe¹, Adalsa Hernández-Andara², Alfredo Vargas¹

¹Servicio de Cirugía Maxilofacial, Hospital General del Oeste Dr. José Gregorio Hernández. Caracas, Venezuela. anthonymvillafanea@gmail.com, odalfredovargas@gmail.com, aubertbrito@gmail.com, manresa723@gmail.com, mariana.villarroel@ucv.ve Universidad Dr. José Gregorio Hernández Servicio de Cirugía Maxilofacial Hospital General del Oeste Dr. José Gregorio Hernández Caracas Venezuela anthonymvillafanea@gmail.com odalfredovargas@gmail.com aubertbrito@gmail.com manresa723@gmail.com mariana.villarroel@ucv.ve.

Revista Cientifica Odontologica (Universidad Cientifica Del Sur)

|July 4, 2025

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Diode laser photobiomodulation significantly reduced temporomandibular joint (TMJ) pain and improved mouth opening in patients with TMJ disorder. This non-invasive treatment offers a promising therapeutic option for acute TMJ pain management.

Area of Science:

Biomedical Engineering
Dental Science
Pain Management

Background:

Temporomandibular joint (TMJ) disorders often present with acute pain and limited mandibular function.
Non-invasive therapeutic modalities are sought for effective TMJ disorder management.
Diode laser photobiomodulation (PBM) is an emerging technique for pain relief.

Observation:

A study included 12 patients diagnosed with TMJ disorders.
Patients received 6 sessions of diode laser PBM targeting the TMJ and associated musculature.
Pain intensity was assessed using a numerical rating scale (VAS), and mandibular function was measured by maximum mouth opening.

Findings:

Photobiomodulation treatment resulted in a statistically significant decrease in overall pain intensity (p<0.001).

Keywords:

diode láser láser therapy orofacial pain photobiomodulation temporomandibular disorder

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Significant pain reduction was observed in the TMJ region, temporalis, pterygoid, and masseter muscles.

Maximum mouth opening significantly increased from 32.05mm to 42.66mm (p<0.001) post-treatment.

Implications:

Diode laser PBM demonstrates substantial efficacy in alleviating acute pain associated with TMJ disorders.
The treatment also leads to a significant improvement in mandibular mobility and function.
PBM presents a viable, non-invasive therapeutic strategy for enhancing patient outcomes in TMJ disorder management.