根管治疗术是治疗牙髓病、根尖周病的一种常用且疗效可靠的方法,它通过机械方法清除根管内的感染坏死物质,并用材料充填根管,以防止根尖周围病变的发生及促进根尖周病变的愈合。根管充填的目的为机械地堵塞根管,因此选择一种封闭性良好,不易被吸收的根管充填糊剂就显得尤为重要 Root canal therapy is the treatment of pulp disease, periapical disease is a commonly used and reliable method of mechanical removal of necrotic material within the root canal and filling material with root canal to prevent the lesions around the root tip Occurrence and promotion of periapical lesions healing. The purpose of root canal filling is to mechanically block the root canal, so it is particularly important to choose a root canal filled with a well-sealed, nonabsorbable root canal