我们用甲酚醛氧化锌糊剂(简称FZ糊剂)治疗500颗慢性根尖周病的牙齿,疗效满意,报告如下: 资料与方法:1、FZ糊剂配方:成品甲酚醛液FC液、成品氧化锌粉ZnO,比例为4:6调成糊剂。 2、病例选择:根据临床检查及X线根尖片诊断为慢性尖周病,根管通畅根尖病灶在1厘米以内者, 3、治疗方法:按传统预备根管、用甲酚醛棉捻 We use cresol formaldehyde zinc oxide paste (referred to as FZ paste) to treat 500 chronic periapical disease teeth, the results are satisfactory, the report is as follows: Materials and Methods: 1, FZ paste formula: finished cresol solution FC liquid, finished ZnO powder ZnO, the ratio of 4: 6 tune into a paste. 2, case selection: According to clinical examination and X-ray diagnosis of chronic apical vertebral tip, root canal patency within 1 cm apical lesions, 3, treatment: according to the traditional preparation of root canal, with cresol nomadic twist