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Comparison of Low-Level Laser Therapy and Transcutaneous Electrical Nerve Stimulation for Myofascial Pain in Temporomandibular Disorders
Sponsor: University of Health Sciences Lahore
Summary
Myofascial pain is the most common form of temporomandibular disorder (TMD) encountered in maxillofacial practice. Treatment options range from conservative management to open surgical procedures, with physical therapies identified as the safest and most effective. Among these, transcutaneous electrical nerve stimulation (TENS) is a widely used technique, while low-level laser therapy (LLLT) is a recent therapeutic advancement. This study is designed to compare the efficacy of these two therapies, aiming to identify the more effective option.
Official title: Comparative Effectiveness of Low Level Laser Therapy and Transcutaneous Electrical Nerve Stimulation on Pain and Mouth Opening in Temporomandibular Disorders Based Upon Diagnostic Criteria for Temporomandibular Disorders (DC/TMD)
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
40
Start Date
2025-02-01
Completion Date
2025-07-15
Last Updated
2025-01-24
Healthy Volunteers
No
Conditions
Interventions
Low Level Laser Therapy
Participants in this arm will receive Low-Level Laser Therapy (LLLT) using a Gallium Aluminum Arsenide (GaAlAs) semiconductor diode laser. The treatment involves a wavelength range of 650-808 nm with a power output of 775 mW. The therapy is administered by exposing tender points around the temporomandibular joint (TMJ) to the laser for 2 minutes per session. Each participant will receive treatment on alternate days (three sessions per week) over the course of three weeks. The goal is to assess the effectiveness of LLLT in reducing pain and improving mouth opening in patients with myofascial pain associated with Temporomandibular Disorders (TMD).
Transcutaneous Pulsed Electrical Stimulation (Device: Nu Eyne M02)
Participants in this arm will undergo Transcutaneous Electrical Nerve Stimulation (TENS), utilizing a four-electrode unit. The device will be set to deliver electrical impulses at a frequency of 150 Hz with a pulse width of 200 µs. Electrodes will be placed over the cutaneous region between the TMJ and coronoid process to stimulate the trigeminal and facial nerves. Each treatment session will last 15 minutes and occur on alternate days, three times a week for three weeks. This therapy aims to provide pain relief and improve jaw function for patients suffering from myofascial pain associated with TMD.