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根管治疗困难病例的临床探讨赵旭漪徐嘉娜我们随机抽取根管治疗次数多于５次、时间长达１～２月以上的门诊病例中２７个牙进行分析，其中１５牙在１９８７～１９８８年间治疗并随访至今，１２牙为１９９３～１９９４年间治疗，随访１年以上。男性９牙，女性１８牙，年龄３...
Clinical analysis of difficult cases of root canal treatment Zhao Xuyi Xu Jiana We randomly selected more than 5 times the number of root canal treatment, as long as 1 to 2 months out of 27 outpatient cases were analyzed, of which 15 teeth in the period 1987 to 1988 and treatment Follow-up so far, 12 teeth for the treatment of 1993 to 1994, followed up for more than 1 year. Male 9 teeth, female 18 teeth, age 3 ...