Nouman Noor, Rahima Azhar, Rafia Sartaj, Hasan Mujtaba, Sadaf Humayoun, Muhammad Mohsin Javaid, Muhammad Athar.
Severity of Post Obturation Pain in Single Versus Multiple Sittings Endodontic Treatment Using Rotary Nickle Titanium Instruments.
Ann Pak Inst Med Sci Jan ;19(3):220-4.

Objective: To evaluate the significant difference in the incidence and severity of post-obturation pain following single-visit and multiple-visit root canal treatments. Methodology: This study was conducted in the Operative Dentistry Department of Rawal Dental Hospital in Islamabad. A total of 156 patients were randomly assigned to two groups, with 78 participants in each group. Prior to treatment, all participants were asked to mark a horizontal scale to indicate the intensity of their pain. After 24 hours of treatment, participants were questioned about their pain using a Visual-Analogue Scale. SPSS- 20 was used & Independent T-test was done for an analysis. P<0.05 was well-thought-out as statistically significant. Results: The study comprised 93 male participants (59.6%) and 63 female participants (40%). Among the treated teeth, 80 (51%) were anterior teeth, and 76 (48%) were posterior teeth. The mean Visual-Analogue Scale (VAS) and standard deviation (SD) for Group 1 before treatment were 9.12 and 1.98, respectively, while for Group 2, they were 8.76 and 1.03, respectively. After 24 hours post-operatively, the mean VAS and S.D for Group 1 were 5.58 and 1.92, and for Group 2, they were 4.86 and 1.18, respectively. An independent sample t-test revealed a statistically insignificant variation in pre- and post-operative pain levels in both groups. Conclusion: The incidence of pain was lower in the multi-visit group compared to the single-visit group, but this difference was not statistically significant.

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