Introduction: LLLT in oral cavity believed to reduce pain after endodontic surgery and wisdom tooth
removal, to accelerate wound healing and to have an anti-inflammatory and regenerative effect. The
aim of this systematic review therefore was to assess the proof available for the efficacy of low-level
laser treatment in reducing pain and swelling after endodontic surgery.
Methods: The PubMed service of the U.S. National Library of Medicine was searched with applicable
search strategies. No language restriction was applied. The last electronic search was accomplished
on August 31, 2015. All randomized clinical trials on the efficiency of low-level laser treatment in
reducing pain and swelling after endodontic surgery was considered for the Meta-analysis. Quality
consideration of the included randomized clinical trials was appraised according to CONSORT
guidelines.
Results: Only two randomized clinical trials were attained. These studies clarified that laser
treatment could reduce pain and swelling, but the results were not significant.
Conclusions: Low-level laser therapy can be advantageous for the reduction of postoperative pain
but there is no strong confirmation for its efficiency. Its clinical utility and applicability relating to
endodontic surgery, Along with the optimal energy dosage and the number of laser treatments
needed after surgery, still, demand further research and experiment.
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