Photobiomodulation (PBM), also commonly referred to as low-level laser therapy (LLLT), uses light energy to elicit biological responses from the cell and normalize cell function. 40 persons with periapical lesions were selected and were assigned randomly into two groups.Group I - Conventional root canal therapy and low-level laser therapy. Group II – Conventional root canal therapy Root canal therapy was completed, and radiographs were obtained and assessed 3, 6, and 9 months postoperative. VAS pain scale was assessed postoperatively on 0, 7th, and 14th days respectively. An independent t-test was used for the evaluation of the data. No significant difference was noted for postoperative pain and PAI scale between both groups Significant difference was noted in the reduction of the periapical lesions for 3 and 9 months follow up, but was not significant for 6 months. The healing was better in Group I which received Low-level laser therapy with the conventional root canal treatment. Low-level laser therapy can be the newer additional treatment modality that can be applied to the periapical lesion for its faster healing.
The aim of this study was to determine different causes of endodontic treatment failure in patients who approached our Department of Conservative Dentistry and Endodontics for re- treatment.This study included one hundred fifty patients of both genders with different post endodontic treatment complaints.Clinical and radio- graphic examination was used to confirm treatment failure. The most common clinical symptoms were tenderness, tenderness and pain, or swelling (72%, 29.3% and 22.7% respectively). The common causes of endodontic treatment failure were poorly filled (40%), under filled (34.7%) and no root canal filling (17.3%).Root canal failure due to overfilling was 5.3%.Most of these failed cases were either treated by internees (House officers) in the teaching institutes (34.7%) or general dental practitioners (57.3%).
Introduction:The severity as well as the incidence of postoperative pain are associated with specific dental treatments, the highest being root canal therapy. The postoperative pain incidence has been reported to range from 3% to 58% after root canal treatment. The aim of the present study was to compare the efficacy of preoperative diclofenac sodium in the control of post-endodontic pain. Materials and Method: 120 patients were randomly selected and clinical examinations were conducted. The patients were randomly allocated using simple randomization technique into 2 experimental groups: Group 1, diclofenac sodium (VOVERON SR, 100 mg-oral) and Group 2, placebo (sucrose tablets). Both medications were administered 30 min before conventional root canal therapy. Patients were instructed to complete a pain diary; 6, 12, and 24 h after root canal instrumentation. The method used to measure clinical pain intensity was the visual analogue scale (VAS), which consisted of a 10 cm line anchored by two extremes, "no pain" and "pain as bad as it could be." Thus, the pain intensity was assigned into four categorical scores: a) None (0); b) Mild (1-3); c) Moderate (4-6); and d) Severe (7-10). Results: Among the 120 volunteers who completed the study, 63.63% had mild pain and 36.37% had severe pain. Post endodontic pain showed a statistically significant difference between group 1 and group 2 at 6hr, 12hr and 24hr (P<0.05). Conclusion:Post endodontic pain was substantially reduced by preoperative administration of a single oral dose of diclofenac sodium as compared to the placebo group.
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