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The aim of this study was to compare the pain relief effects, after periodontal and endodontic surgeries between Er: YAG laser irradiation and administration of anti-inflammatory drugs using the Visual Analogue Scale (VAS). Fifty-one teeth in 20 patients were included in this study. The surgical procedure was as follows: the gingival flap was elevated, then root planing and bone defect debridement were done. In the experimental group (Exp) of 22 teeth in 10 patients, Er: YAG laser was irradiated to the root surface, bone defect and the inside of gingival flap after root planing and bone defect debridement (1.0W, 30 seconds, 3 times). In addition, this laser was irradiated around the mucogingival junction immediately after surgery (1.5W, 1 minute, 3 times). In the control group (Cont) of 29 teeth in 10 patients, no intervention was made following surgery and anti-inflammatory drugs were taken after surgery as early as possible. VAS was performed immediately after surgery, and at 1, 2, 3, 4, 5 and 6 hours in on day 1 and immediately after getting up, at 1, 2, 3, 4, 5 and 6 hours on day 2. Healing was uneventful in all patients. Statistical analysis by the Wilcoxon signed-ranks test indicated that VAS of Exp was significantly higher than Cont between at 2 hours in on day 1 and VAS of Cont was significantly higher than Exp between immediately after getting up and 2 hours on days 2 (p<0.05). This study suggested that Er: YAG laser irradiation and anti-inflammatory drugs may have almost the same pain relief effect after periodontal and endodontic surgery.
- 日本レーザー歯学会の論文