我科1989年3月～1992年5月在干髓治疗中采用干髓剂加灭滴灵粉治疗牙髓炎，取得较好疗效，现报告如下。1临床资料1．1一般资料425例中男215例，女210例，年龄最小10岁，最大65岁。牙髓病患牙450颗，其中上双尖牙引颗，下双尖牙87颗，上磨牙123颗．下磨牙209颗；急性牙髓炎304颗 Our department from March 1989 to May 1992 in the treatment of dry pulp with meningitis plus metronidazole powder treatment of pulpitis, and achieved good results, are as follows. 1 Clinical data 1.1 General Information 425 cases of male 215 cases, 210 females, the youngest 10 years old, maximum 65 years old. Endodontic patients with teeth 450, of which the upper bicuspid tooth cited, under the bicuspid 87, 123 on the molar. Lower molars 209; 304 acute pulpitis