J Endod:单根旋转锉系统的比较:第1部分-根管再治疗的效率、性能和不良反应

2018-10-21 lishiting MedSci原创

这篇研究的目的是为了在体外比较3种单根旋转锉系统通过非外科手段进行根管再治疗上颌前牙的表现:WaveOne Gold Primary (WOG; Dentsply Sirona, Ballaigues, Switzerland), Hyflex EDM "one file" (EDM; Coltene/Whaledent, Alstatten, Switzerland)和XP Shaper (XP

这篇研究的目的是为了在体外比较3种单根旋转锉系统通过非外科手段进行根管再治疗上颌前牙的表现:WaveOne Gold Primary (WOG; Dentsply Sirona, Ballaigues, Switzerland), Hyflex EDM "one file" (EDM; Coltene/Whaledent, Alstatten, Switzerland)和XP Shaper (XP; FKG, La Chaux de Fonds, Switzerland),比较内容包括:根管内充填材料的剩余量、碎屑挤出量和操作时间。

研究对60颗拔除的标准下颌椭圆形单根管的切牙预备至30.04号,并采用热垂直加压充填法封闭根管。30天后(37°C, 100% humidity),牙齿按照不同再治疗锉的选择随机分为3组:(WOG, EDM, or XP operated at 3000 rpm)。再治疗过程中,使用预称重的小瓶收集推出根尖孔的碎屑,并记录移除充填材料所需的时间(秒)。在再治疗前后通过锥形束CT(CBCT)检测根管内剩余充填材料的量。采用Kruskal-Wallis检验, 1-way analysis of variance和 Pearson检验进行统计学分析,显著性水平设置为5%。

结果显示,各组在操作时间上存在显著性差异(P < .05)。XP从根管内移除牙胶速度最快 (40.54 ± 28.03 seconds),其次为EDM (55.77 ± 19.76 seconds)和WOG (105.92 ± 53.92 seconds)。WOG剩余充填物的百分比明显比其他组高(26.65% ± 14.63%) (P < .05)。EDM (13.51% ± 9.53%)和XP (8.60% ± 7.28%)之间未见显著性差异。3组间推出根尖孔碎屑的量没有明显差异(P > .05)。

结论:XP在较高速度下(3000 rpm)去除根管内牙胶的效率最高,其次为EDM和WOG。

原始出处:

Azim AA, Wang HH, et al. Comparison between Single-file Rotary Systems: Part 1-Efficiency, Effectiveness, and Adverse Effects in Endodontic Retreatment. J Endod. 2018 Sep 19. pii: S0099-2399(18)30518-1. doi: 10.1016/j.joen.2018.07.022.

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