AIM:To compare the acute reaction and the short term therapeutic effect after root filling in one-off RCT and pulpectomy目的:比较Endom ethasone根管充填糊剂加牙胶尖、传统根管充填剂加牙胶尖在去髓术、根管治疗术一次法根管充填术后的急性反应及近期疗效。