Method: We questioned the staff of one middle-sized hospital in Tai Yuan, and divided them into three groups: the clinician and nurse clinician, the doctor and nurse in assistant departments, others.
研究方法：选太原市某中型医院的全体职工作为调查对象，并按工作性质将其分为临床医护组、辅助医护组、非医护组三组。
Methods Analyse the nurse assistant points and characteristics in 49 cases of removal broken instruments in root canals.
方法对4 9例根管内折断器械取出术病例分析，结合具体治疗过程，对护理配合的重点进行研究。
Methods Analyse the nurse assistant points and characteristics in 49 cases of removal broken instruments in root canals.
方法对4 9例根管内折断器械取出术病例分析，结合具体治疗过程，对护理配合的重点进行研究。
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