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。
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METHODS: 100 cases suffered from either pulp disease or periapical disease were treated with RCT. Then the relationship between inter-appointment pain and diagnosis and tooth site was analyzed.