A Randomized Double Blind Clinical Study on the Efficacy of Low Level Laser Therapy in Reducing Pain After Simple Third Molar Extraction
Journal Title: Macedonian Journal of Medical Sciences (MJMS) - Year 2010, Vol 3, Issue 3
Abstract
Aim. The aim of this clinical study was to test the efficacy of Low level laser therapy (LLLT) in controlling post-operative pain after simple third molar extraction in a double blind, randomized placebo control study. Material and Methods. Sixty healthy adults undergoing simple third molar extraction under local anesthesia (2% lidocaine with epinephrine 1:80.000) were selected in the study. 30 patients received a soft laser with an 870 nm wave length applied intra-orally from a distance of 1 cm for 10 minutes after extraction procedure. The energy output was 4 J/cm2, with constant power density of 50 mW. Laser treatment was simulated in the other 30 patients. Patients were instructed to evaluate their postoperative pain through out 7 days after extraction using a visual analogue scale (VAS). Results. Results showed that the pain level in the laser group was lower than in the placebo group throughout the 7 day follow up period. The differences were significant starting from second postoperative day and continue all through the 7 day follow up period (Mann-Whitney U – test, p<0.05). Conclusion. We suggest that the use of low power laser irradiation is a promising therapy in reducing the post-operative pain after third molars extraction.
Authors and Affiliations
Neveen Abou El-Soud| Complementary Medicine Department and Oral Surgery & Medicine Department, National Research Center, Cairo, Egypt, Hanaa El Shenawy| Complementary Medicine Department and Oral Surgery & Medicine Department, National Research Center, Cairo, Egypt
Keywords
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- EP ID EP8761
- DOI 10.3889/MJMS.1857-5773.2010.0114
- Views 375
- Downloads 23
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