Abstract

Tooth extraction is one of the most common oral surgeries carried out daily in dental clinics. Bleeding and pain are considered common sequelae after tooth extraction, which are considered a major concern. The purpose of this study was to evaluate the effectiveness of the irradiation on the extraction socket with a blue-violet light-emitting diode (LED) on the hemostasis and the pain.The study was designed as a randomized prospective split-mouth clinical study in which 82 tooth extractions were performed on 31 patients who required bilaterally paired tooth extractions. The side impacted by LED radiation until the bleeding stopped was the study group (left side), whereas the other side where the bleeding stopped without intervention was the control group (right side). The duration of bleeding time was measured and compared. The pain level was assessed postoperatively using the numeric rating scale and total analgesic dosages.Results indicate that in the study group there was a reduction in postextraction bleeding time as compared with the control group. The mean bleeding time was (26.71 seconds) and (291.95 seconds), respectively. It was statistically significant ( P = 0.000). Regarding the effect of LEDs on pain, the result shows no difference in the pain level between the 2 groups, which means LEDs have a nonsignificant effect on pain.The blue-violet LED reduces the bleeding time of the extracted socket after tooth extraction, and prevents postoperative oozing, but has no effect on the reduction of postoperative pain. LED therapy has no side effects.

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