Abstract
Purpose
Pain associated with orthodontic treatment is often one of the reasons for dropout during fixed orthodontic treatment. The aim of the present study was to assess the effect of photobiomodulation on pain during the initial phase of orthodontic treatment.
Methods
A single blind study using a split mouth design was carried out on 24 subjects requiring fixed orthodontic treatment in the age group of 13 to 20 years. The subjects were randomly divided into two groups and elastomeric separators were placed on the mesial and distal aspects of upper and lower first molars. Further, they were subjected to laser irradiation (Photon plus diode laser®, Zolar Technology and Mfg. Co. Inc. Canada, InGaAs based diode laser 980 nm, 100 mW, continuous wave mode) and simulations at four points, i.e. the interdental papilla on the buccal and lingual/palatal aspect mesially and distally accordingly for 10 s each. The subjects were asked to score their pain intensity on a visual analogue scale (VAS) at 5 min, 24 and 48 h post separator placement.
Results
The mean score for pain perception for the lased group was significantly lower than the placebo group at both 24 and 48 h. However, no appreciable difference was seen at 5 min post placement.
Conclusion
Although a single dose of photobiomodulation subsequent to separator placement does not provide immediate relief, it is significantly effective in reducing pain at 24 and 48 h. However, there was no association of age with pain perception.
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Ganesh, G., Tripathi, T., Rai, P. et al. Effect of photobiomodulation on pain perception secondary to separator placement. Laser Dent Sci 3, 111–117 (2019). https://doi.org/10.1007/s41547-019-00058-7
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DOI: https://doi.org/10.1007/s41547-019-00058-7