Department of Endodontics, Aydın Adnan Menderes University, Efeler, Aydın, Türkiye.
Department of Endodontics, Ege University, Bornova, İzmir, Türkiye.
PeerJ. 2022 Jul 27;10:e13756. doi: 10.7717/peerj.13756. eCollection 2022.
There are few studies in the literature about the effect of obturation techniques on postoperative pain. Besides, GuttaFlow2 was used for the first time in this study regarding postoperative pain. This study aimed to compare the postoperative pain levels and incidence following single-visit root canal treatment with different canal filling techniques; cold lateral compaction (CLC), thermoplasticised solid-core carrier (GuttaCore) based filling and cold free-flow compaction (GuttaFlow2) technique.
The patients ( = 93) having single-rooted teeth with a single canal diagnosed with asymptomatic irreversible pulpitis or single-rooted vital teeth with a single canal requiring endodontic treatment because of prosthetic reasons were enrolled in this study. Patients were randomized into three groups ( = 31) according to the obturation technique. A single operator performed all the treatments in a single visit. Data on obturation levels, postoperative pain and analgesic intake frequency were recorded at postoperative 6, 12 and 24 h and daily afterward until the 7 day. Postoperative pain was measured by visual analogue scale (VAS). The date were statistically analyzed with chi-squared tests (for the analyses of the categorical data), the nonparametric Kruskal-Wallis test (for the comparisons of VAS score) and with the Friedman test (for the assessments of the changes in VAS scores over time).
The GuttaCore group recorded the higher pain levels, except first 12 h, on the other hand, the GuttaFlow2 group recorded the lower pain levels at all time periods. Significant differences occurred among the groups during the first 4 days ( < 0.05), except at 12 h ( = 0.054). The patients in the CLC and GuttaFlow2 groups did not need to use the prescribed analgesic; however, one patient in the GuttaCore group used it once.
Postoperative pain levels following root canal therapy were affected by the obturation technique especially first 4 days following obturation.
关于根管充填技术对术后疼痛影响的研究较少。此外，本研究首次使用 GuttaFlow2 评估术后疼痛。本研究旨在比较单次根管治疗中不同根管充填技术（冷侧压充填、热塑牙胶垂直加压充填和冷垂直加压充填）后术后疼痛水平和发生率。
本研究纳入了 93 名单根单根管无自觉症状不可复性牙髓炎或因修复需要行根管治疗的单根活髓牙患者。患者按根管充填技术随机分为 3 组（每组 31 例）。由同一位医生在单次就诊中完成所有治疗。记录根管充填水平、术后 6、12 和 24 小时及之后每天的术后疼痛和镇痛药使用频率。采用视觉模拟评分法（VAS）评估术后疼痛。采用卡方检验（用于分类数据分析）、非参数 Kruskal-Wallis 检验（用于 VAS 评分比较）和 Friedman 检验（用于评估 VAS 评分随时间的变化）对数据进行统计学分析。
除前 12 小时外，GuttaCore 组记录的疼痛水平较高，而 GuttaFlow2 组在所有时间段的疼痛水平较低。前 4 天（ < 0.05）组间差异有统计学意义，除 12 小时（ = 0.054）外。CLC 组和 GuttaFlow2 组的患者无需使用规定的镇痛药；然而，GuttaCore 组中有 1 名患者使用了一次。
根管治疗后的术后疼痛水平受根管充填技术的影响，特别是在根管充填后的前 4 天。
