This randomized controlled clinical trial aims to evaluate the efficacy of low-level laser therapy (LLLT) using two different diode laser wavelengths (980 nm and 635 nm) in the treatment of myofascial pain associated with temporomandibular disorders (TMD). The study compares pain reduction and muscle activity improvement using surface electromyography (sEMG) before and after laser application. Participants are randomly assigned to receive either 980 nm or 635 nm laser treatment twice per week for five weeks. The primary outcomes include pain intensity and functional mandibular movements, while secondary outcomes assess changes in sEMG recordings.
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Pain Intensity Reduction
Timeframe: At baseline, after 10 treatment sessions (5 weeks), and at 1-month follow-up (approximately 2 months in total from baseline).