Comparison of postoperative pain after instrumentation with TruNatomy or ProTaper Next Ni-Ti systems in mandibular molars with asymptomatic apical periodontitis: a randomized clinical trial

被引：0
作者：
Çağla Vardar Korkman [1 ]
Faruk Haznedaroğlu [1 ]
机构：
[1] Faculty of Dentistry, Department of Endodontics, Istanbul University, Prof. Dr. Cavit Orhan Tütengil Sk. No:4, Süleymaniye, Fatih, İstanbul
来源：
BMC Oral Health | / 25卷 / 1期
关键词：
Apical periodontitis; NiTi; Postoperative pain; Root canal preparation;
D O I：
10.1186/s12903-025-05895-6
中图分类号：
学科分类号：
摘要：
Background: Ni-Ti instruments with varying design features may lead to different levels of postoperative pain, which is a significant clinical concern, particularly in previously asymptomatic teeth. Therefore, the purpose of this randomized clinical trial is to compare postoperative pain following instrumentation with TruNatomy versus ProTaper Next Ni-Ti systems in mandibular molars with asymptomatic apical periodontitis. Methods: 90 healthy participants were randomly assigned to two groups: TruNatomy (TN) or ProTaper Next (PTN) instruments. After single-visit root canal treatments, participants were asked to rate their postoperative pain levels at 6, 12, 24, 48, and 72 h and seven days later, using the Numerical Rating Scale (NRS) through an online questionnaire. In cases of pain, 400 mg of ibuprofen was prescribed. Data from 80 participants were finally included in the analysis. Data were analyzed using the Mann-Whitney U, Friedman, and Fisher’s Chi-Square tests (p < 0.05). Results: There was no statistically significant difference in postoperative pain intensity at 6, 12, 24, and 48 h and seven days between the groups (p > 0.05). At the 72-hour time point, TN group showed statistically higher postoperative pain intensity (p < 0.05). No statistically significant differences in the incidence of postoperative pain were observed at any of the time points (p > 0.05). Analgesic intake and flare-up incidence were not significantly different between the groups (p > 0.05). Conclusion: Postoperative pain levels were not significantly influenced by the type of rotary Ni-Ti instrument. Both TN and PTN instruments led to low-level and similar postoperative pain intensity, minimal analgesic use, and a low incidence of flare-ups in teeth with asymptomatic apical periodontitis. Trial registration: ClinicalTrials.gov ID NCT06545773, Registration Date 8 August 2024 (retrospectively registered). © The Author(s) 2025.
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