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Effect of frequent laser irradiation on orthodontic pain A single-blind randomized clinical trial

Cited 29 time in Web of Science Cited 36 time in Scopus
Authors
Kim, Won Tae; Bayome, Mohamed; Park, Jun-Beom; Park, Jae Hyun; Baek, Seung-Hak; Kook, Yoon-Ah
Issue Date
2013-07
Publisher
E.H Angle Education and Research Foundation
Citation
Angle Orthodontist, Vol.83, No.4, pp. 611-616
Keywords
복합학Low-level laser therapy (LLLT)Light-emitting diode (LED)Orthodontic painElastomeric separatorPlaceboVisual analog scale (VAS)Laser irradiation
Abstract
Objective: To analyze the effect of low-level laser therapy (LLLT) on perception of pain after separator placement and compare it with perceptions of control and placebo groups using a frequent irradiation protocol. Materials and Methods: Eighty-eight patients were randomly allocated to a laser group, a light-emitting diode (LED) placebo group, or a control group. Elastomeric separators were placed on the first molars. In the laser and LED groups, first molars were irradiated for 30 seconds every 12 hours for 1 week using a portable device. Pain was marked on a visual analog scale at predetermined intervals. Repeated measure analysis of variance was performed for statistical analysis. Results: The pain scores of the laser group were significantly lower than those of the control group up to 1 day. The pain scores in the LED group were not significantly different from those of the laser group during the first 6 hours. After that point, the pain scores of the LED group were not significantly different from those of the control. Conclusions: Frequent LLLT decreased the perception of pain to a nonsignificant level throughout the week after separator placement, compared with pain perception in the placebo and control groups. Therefore, LLLT might be an effective method of reducing orthodontic pain.
ISSN
0003-3219
Language
English
URI
http://hdl.handle.net/10371/92577
DOI
https://doi.org/10.2319/082012-665.1
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College of Dentistry/School of Dentistry (치과대학/치의학대학원)Dept. of Dentistry (치의학과)Journal Papers (저널논문_치의학과)
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