从1988年8月～1991年4月我科对部分慢性根尖周围炎、根端囊肿(较小)等病患行一次性根管充填、根尖切除术治疗,现将疗效分析如下。临床资料本组13例,均为前牙。男性7例,女性6例。年龄最小者12岁,最大者40岁。慢性根尖周围炎10例(2例伴有瘘管),根端囊肿3例。治疗方法:首先对病牙行一次性根充:用1～6号扩大针扩大根管,1∶5000呋喃西林或2%双氧水冲洗根管,再用甲醛甲酚消毒 From August 1988 to April 1991 our department on some chronic periapical inflammation, root cyst (smaller) and other patients underwent one-time root canal filling, apical resection treatment, the curative effect is as follows. Clinical data of this group of 13 cases, are anterior teeth. 7 males and 6 females. The youngest is 12 years old, the oldest is 40 years old. Chronic periapical inflammation in 10 cases (2 cases with fistula), root cyst in 3 cases. Treatment: First of all, a one-time root of the sick tooth root canal: 1 to 6 to expand the needle to expand the root canal, nitrofurantoin 1: 5000 or 2% hydrogen peroxide irrigation root canal, and then formaldehyde cresol disinfection