Objective Evaluation of the effect of different obturation techniques on postoperative pain level and radiographic healing on non-surgical endodontic retreatment (NSER) applied in a single visit in teeth with single root canal and apical periodontitis (AP). Materials and Methods 63 teeth from 50 systemically healthy patients (mean age 34.19 ± 9.75 years; 27 women, 23 men) were included in the study. Residual root canal filling materials were removed all teeth were randomly divided into three groups according to the obturation technique; cold lateral compaction (CLC), continuous wave compaction (CWC), and thermoplasticized gutta-core (TGC). In all cases, pain status were evaluated using the Numerical Pain Rating Scale (NRS). Periapical index (PAI) scores were recorded on preoperative and postoperative 6-month on the periapical radiographs. Data were analyzed as statistically (IBM, Armonk, NY, USA). Significance level was determined as p < 0.05. Results It was found that more postoperative pain occurred in the 3rd-hour interval after CLC and CWC compared to the 7th day interval (p < 0.05). There was no difference in postoperative pain between obturation techniques in all evaluated time intervals (p > 0.05). There was no difference the PAI scores recorded at 6-months between obturation tecniques for all periods (p > 0.05). Similar radiographic improvement was observed in all obturation techniques at 6-months (p > 0.05). Conclusion CLC, CWC, and TGC root canal obturation techniques were found to have similar efficacy after NSER in single visit in teeth with AP at 6-months. Clinical relevance: Results of the current study, different filling techniques applied did not affect the NSER results.
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Işık et al. (2024) studied this question.
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