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Randomized Controlled Trial
. 2008 Apr;105(4):452-6.
doi: 10.1016/j.tripleo.2007.09.012.

Low-level laser therapy for treatment of temporomandibular joint pain: a double-blind and placebo-controlled trial

Rüdiger Emshoff  1 , Renato Bösch, Eduard Pümpel, Harald Schöning, Heinrich Strobl
Affiliations
Randomized Controlled Trial

Low-level laser therapy for treatment of temporomandibular joint pain: a double-blind and placebo-controlled trial

Rüdiger Emshoff et al. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2008 Apr.

Abstract

Objective: The objective of this study was to assess the effectiveness of low-level laser therapy (LLLT) in the management of temporomandibular joint (TMJ) pain in a random and double-blind research design.

Study design: TMJ pain patients, randomly assigned, received 2 to 3 treatments per week for 8 weeks of active LLLT (Helium Neon, 632.8 nm, 30 mW) (n = 26) or sham LLLT (n = 26). Measures of TMJ pain during function were evaluated at baseline and weeks 2, 4, and 8 after the first laser therapy.

Results: At the 8-week point, within-group improvements were present for TMJ pain during function, for both the active and sham LLLT groups (P = .000). Between-group differences were not highly evident (P > .05).

Conclusion: The study suggests that LLLT is not better than placebo at reducing TMJ pain during function.

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