Obective To determine the clinical effects of preventing post treatment pain of root canal therapy(RCT) with Zhong Tong An(ZTA), a Chinese medicine.
目的对中成药肿痛安定风止痛胶囊（ZTA）用于预防根管治疗术后疼痛的临床疗效作出评价。
AIM: to discuss the relationship between inter-appointment pain during root canal therapy (RCT) and diagnosis and tooth site.
目的：探讨根管治疗术中约诊间痛和牙位与诊断的关系。
Root canal therapy (RCT) is a preferred treating method for various endodontic and periapical diseases.
根管治疗术是临床上治疗各种不可复性牙髓病及根尖周病的首选方法。
Root canal therapy (RCT) is a preferred treating method for various endodontic and periapical diseases.
根管治疗术是临床上治疗各种不可复性牙髓病及根尖周病的首选方法。
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