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Year : 2018  |  Volume : 8  |  Issue : 2  |  Page : 70-73

Efficacy of low-level laser therapy on orofacial pain: A literature review

1 Department of Oral and Maxillofacial Medicine, Dentistry Research Center, Golestan University of Medical Sciences, Gorgan, Iran
2 Student Research Committee, Golestan University of Medical Sciences, Gorgan, Iran

Correspondence Address:
Haleh Zokaee
Department of Maxillofacial Medicine, Golestan University of Medical Sciences, Naharkhoran Blvd, In Front of Edalat 97 Gorgan
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/AIHB.AIHB_2_18

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Low-level laser therapy (LLLT) is a therapeutic approach to treat orofacial pain using a 600–1000 nm laser with a <500 mW power. The efficacy of LLLT is due to the chemical reactions causing an anti-inflammatory and analgesic effect on the affected regions. The aim of this study is to review the effects of low-level laser application on orofacial pain in the English articles released since 2017. Our search keywords were 'low-level laser therapy, temporomandibular disease (TMD), mucositis and orofacial pain'. The most relevant papers were clinical trial, review and meta-analysis articles. 26 out of 243 searched articles were selected from PubMed, Google Scholar and Science Direct and reviewed. Most of the studies reported the positive role of LLLT on orofacial pain relief regardless of their variable procedures; however, the exact mechanism of action still remains unclear. Some studies indicated that LLLT has significantly reduced pain, reduceamount of clicking and both masseter and temporal muscles activityin TMD. As an overall result, it is concluded that LLLT can be served as a therapeutic method for myofascial pain, mucositis and temporomandibular joint disorders and this is due to its analgesic features.

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