| 引用本文： |
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朱磊,唐小山,房莉,等.Hero Shaper镍钛器械与K锉根管再治疗清理效果的比较[J].同济大学学报（医学版）,2012,33(4):94-96. [点击复制]
- ZHU Lei,TANG Xiao-shan,FANG Li,et al.A comparison of Hero Shaper rotary NiTi instruments and K file in root canal retreatment[J].同济大学学报（医学版）,2012,33(4):94-96. [点击复制]
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| 摘要: |
| 目的 比较Hero Shaper镍钛器械与K锉根管再治疗的清理效果。方法 选择临床上进行过牙胶充填,需重新进行根管治疗的下前牙病例50例,随机分为两组。25例使用Hero Shaper镍钛器械预备;25例使用K锉预备。根管预备前后拍X线片,观察牙胶清除的情况,分别打分,记录操作时间。结果 Hero Shaper和K锉预备根管后均不能完全清除充填的牙胶,差异无统计学意义。Hero Shaper组操作时间明显少于K锉组(P＜0.05)。结论 根管再治疗中,使用Hero Shaper镍钛器械可以减少操作时间,获得和K锉相似的清理效果。 |
| 关键词: 镍钛器械 手用器械 根管再治疗 残留充填物 |
| DOI：10.3969/j.issn1008-0392.2012.04.021 |
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| 基金项目: |
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| A comparison of Hero Shaper rotary NiTi instruments and K file in root canal retreatment |
| ZHU Lei,TANG Xiao-shan,FANG Li,WANG Rao-rao,XU Yuan-zhi,YU Fang |
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| Abstract: |
| Objective To compare the efficacy of Hero Shaper NiTi rotary instruments and K file in root canal retreatment. Methods Fifty single-root mandibular anterior teeth, which needed to be retreated, were divided into two groups randomly. Twenty five cases were prepared with Hero Shaper rotary NiTi instruments and 25 cases were prepared with K file. The operating time was recorded. Preoperative, postoperative radiographs were taken to examine gutta-percha. The scores were determined by the observer. Results Hero Shaper NiTi rotary instruments and stainless steel K file did not clean gutta-percha completely. There was no statistical difference between two groups. The mean operating time of Hero Shaper group was significantly less than that of the K file group. Conclusion Hero Shaper NiTi rotary instruments and K file have the similar retreatment efficacy, but the former take less operating time than the latter. |
| Key words: NiTi instrument manual instrument root canal retreatment residual filling material |
