光疗对疲劳诱导前咬肌和颞前肌的影响:一项随机、假对照、盲临床试验。

Q2 Medicine
Photomedicine and laser surgery Pub Date : 2018-07-01 Epub Date: 2018-05-16 DOI:10.1089/pho.2017.4396
Camila Haddad Leal de Godoy, Lara Jansiski Motta, Washington Steagall Júnior, Marcela Leticia Leal Gonçalves, Daniela Fátima Teixeira da Silva, Raquel Agnelli Mesquita-Ferrari, Aldo Brugnera Júnior, Sandra Kalil Bussadori
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引用次数: 3

摘要

目的:这是一项随机、假对照、盲临床试验,旨在评估光疗在诱导疲劳前对年轻患者咬合力、下颌活动范围、触诊敏感性以及咬肌和颞前肌疲劳的影响。材料与方法:将52名年龄在18-23岁的健康志愿者随机分为激光组和假手术组。两组均接受临床评估,记录下颌活动范围、咬合力、触诊肌肉敏感性和肌肉疲劳。然后,激光组在每侧咬肌的三个点和颞前肌的一个点上进行光疗(780 nm, 25 J/cm2, 50 mW, 20秒,1 J/点)。假手术组接受了同样的治疗,但关闭了设备。然后,志愿者被指示咀嚼两片口香糖(一边一块)6分钟,节拍器将速度调到每分钟80次,然后对所有变量进行重新评估。结果进行t检验和Wilcoxon检验。结果:所分析的变量在组间和组内均无统计学差异。结论:根据所提出的方案,在诱导疲劳之前进行光疗不会导致咬合力和下颌活动范围的任何变化,这表明需要进一步研究不同的光疗剂量参数。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effect of Phototherapy on Masseter and Anterior Temporal Muscles Before Induction of Fatigue: A Randomized, Sham-Controlled, Blind Clinical Trial.

Objective: This is a randomized, sham-controlled, blind clinical trial that aimed to evaluate the effect of phototherapy on bite force, mandibular range of motion, sensitivity to palpation, and fatigue in the masseter and anterior temporal muscles of young patients when administered before the induction of fatigue.

Materials and methods: Fifty-two healthy volunteers aged 18-23 years were randomly allocated to a laser group and sham group. Both groups were submitted to a clinical evaluation to record mandibular range of motion, bite force, muscle sensitivity to palpation, and muscle fatigue. The laser group was then submitted to phototherapy (780 nm, 25 J/cm2, 50 mW, 20 sec, and 1 J per point) on three points of the masseter and one point of the anterior temporal muscle on each side. The sham group was submitted to the same procedure, but with the device switched off. The volunteers were then instructed to chew two pieces of gum (one on each side) for 6 min, with the pace set by a metronome calibrated to 80 bpm, followed by the reevaluation of all variables. The results were submitted to t-test and Wilcoxon test. A significance level of 5% (p < 0.05) was considered in all analyses.

Results: No statistically significant intergroup or intragroup differences were found for the variables analyzed.

Conclusions: With the proposed protocol, phototherapy administered before the induction of fatigue did not lead to any changes in bite force and mandibular range of motion, indicating that further studies are needed with different phototherapy dosimetric parameters.

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来源期刊
CiteScore
4.50
自引率
0.00%
发文量
0
审稿时长
6-12 weeks
期刊介绍: Photobiomodulation, Photomedicine, and Laser Surgery (formerly Photomedicine and Laser Surgery) is the essential journal for cutting-edge advances and research in phototherapy, low-level laser therapy (LLLT), and laser medicine and surgery. The Journal delivers basic and clinical findings and procedures to improve the knowledge and application of these techniques in medicine.
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