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Future Dental Journal

Abstract

Objective: This study was designated to evaluate postoperative pain in irreversible symptomatic teeth after different irrigation activation methods using visual analogue scale. Materials and Methods:78 Patients having symptomatic irreversible pulpitis in mandibular first molar (vital pulp) with no periapical involvement were involved in the study. Cases were classified into three groups according to the the final irrigation agitation method used, twenty-six patients each group (n=26). Group A: Root canals were irrigated using NaOCl2* 2.6% with NaviTip (31-gauge 27mm) with double side port irrigator tip (SVN). Group B: Root canals were irrigated using 2.6% NaOCl with manual dynamic agitation using master cone for 60 seconds. Group C: Root canals were irrigated using 2.6% NaOCl with mechanical agitation using ultrasonic device ultra-x for 60 seconds. Postoperative pain was evaluated after 6,12,24, 48, and 72 hours and 1 week. Data were explored for normality using Kolmogorov-Smirnov and Shapiro-Wilk tests and showed parametric (normal) distribution. Statistical analysis was performed with IBM® SPSS® Statistics Version 20 for Windows. Results: Severity of postoperative pain was more intense at 6- 12and 24-hour time intervals in group 2 patients than those patients in groups 1and 3 (P < .05). There was no significant difference among the groups at the other time intervals (P > .05). Severity of postoperative pain in all groups decreased over time. Conclusion: After endodontic therapy in lower molars with acute pulpitis manual dynamic agitation caused greater postoperative pain in comparison with the other methods in the first 24 hours.

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