低强度激光疗法治疗颞下颌关节疼痛：一项双盲安慰剂对照试验。
Low-level laser therapy for treatment of temporomandibular joint pain: a double-blind and placebo-controlled trial.
作者信息
Emshoff Rüdiger, Bösch Renato, Pümpel Eduard, Schöning Harald, Strobl Heinrich
机构信息
Department of Oral and Maxillofacial Surgery, Innsbruck Medical University, Innsbruck, Austria.
出版信息
Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2008 Apr;105(4):452-6. doi: 10.1016/j.tripleo.2007.09.012.
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.
目的
本研究的目的是在一项随机双盲研究设计中评估低强度激光疗法（LLLT）治疗颞下颌关节（TMJ）疼痛的有效性。
研究设计
将TMJ疼痛患者随机分组，每周接受2至3次治疗，共8周，其中一组接受积极的LLLT治疗（氦氖激光，632.8纳米，30毫瓦）（n = 26），另一组接受假LLLT治疗（n = 26）。在基线以及首次激光治疗后的第2、4和8周评估功能期间的TMJ疼痛指标。
结果
在第8周时，积极治疗组和假治疗组在功能期间的TMJ疼痛方面均出现了组内改善（P = .000）。组间差异不明显（P > .05）。
结论
该研究表明，在减轻功能期间的TMJ疼痛方面，LLLT并不比安慰剂效果更好。
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