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目的：对根管显微镜下取出断针的四手操作护理技术的应用效果进行评价。方法：以2013年6月-2015年5月我院口腔科80例口腔根管内断针患者为研究对象，随机分为观察组（40例）和对照组（40例），分别行显微镜下根管内断针取出术，观察组采用四手操作护理方法，对照组以常规护理为主。结果：观察组疗效优于对照组，P<0.05，具有统计学意义。结论：根管内取出断针的手术对精细化要求很高，耗费时间也多，通过四手操作护理方法的使用，有利于医生工作效率的提高，有利于治疗成功率的提高。
OBJECTIVE: To evaluate the effect of four-hand operation nursing technique of removing broken needles under endodontic microscope. Methods: From June 2013 to May 2015, 80 cases of oral root canal cannulation in our department were divided into observation group (40 cases) and control group (40 cases) Removal of the endodontic needle, the observation group using four-hand operation nursing method, the control group based on routine care. Results: The observation group was better than the control group, P <0.05, with statistical significance. Conclusion: The operation of removing the broken needles in the root canal requires high precision and time-consuming, and the use of four-handed operation nursing method is beneficial to the improvement of doctor’s working efficiency and the improvement of the success rate of treatment.