Does low level laser therapy relieve the pain caused by the placement of the orthodontic separators?--A meta-analysis

Head & Face Medicine
Quan ShiJuan Xu

Abstract

Pain caused by orthodontic treatment can affect patient's compliance and even force them to terminate treatments. The aim of this meta-analysis is to evaluate of the analgesic effect of low level laser therapy (LLLT) after placement of the orthodontic separators. Five databases: PubMed, Embase, Cochrane library, China Biology Medicine disc (SinoMed CBM), China National Knowledge Infrastructure (CNKI) were searched for all the appropriate studies in June, 2014. Two reviewers screened the research results under our inclusion criteria and evaluated the risk of bias independently. Then the data of the included studies was extracted for quantitative analysis by the Review Manager 5.1 software. Six studies were included in our meta-analysis finally. Comparing to the placebo group, the LLLT has good analgesic effect at 6 h, 1d, 2d, 3d after placement of separators which is of statistical significance. While at 2 h, 4d, 5d after the placement, the results tend to support LLLT, but not statistically significant. Based on current included studies, LLLT can reduce the pain caused by the placement of separators effectively. However, because of the high heterogeneity, well designed RCTs are required in the future.

References

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Citations

Jun 25, 2016·International Journal of Oral Science·Hu LongWen-Li Lai
Aug 20, 2018·Lasers in Medical Science·I Z FigueiraA L B Pinheiro
May 23, 2019·Dental press journal of orthodontics·Tulika TripathiNeha Khanna
Oct 5, 2019·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·Jenny Vásquez-CárdenasClovis Mariano Faggion

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