由第四军医大学口腔学系牙体病教研室史俊南指导,李国华等设计的“牙髓病治疗多用检查盘”,已应用于教学和临床,受到实习学生和医生的欢迎. 检查盘由两块直径14厘米的同心塑料圆盘组成,圆心以轴固定。对照临床症状转动圆盘,可对牙髓病、根尖周病作出诊断;根据X线上根管长度转动圆盘,可换算出实际牙长;检查盘上还分别记载有;窝洞分类(Black分类和史氏分类);后 By the Fourth Military Medical University Department of Stomatology, Department of Stomatology Shi Junnan guidance, Li Guohua and other designed “endodontic treatment of multi-purpose inspection disc” has been applied in teaching and clinical, internship students and doctors welcomed by the inspection disk from two 14 cm diameter concentric plastic disc, the center of the shaft to be fixed. According to the clinical symptoms of rotating disc, can diagnosis of pulp disease, periapical disease; according to the length of the X-ray tube rotating disc, can be converted to the actual tooth length; check the disk are also recorded separately; Black classification and Shi classification); after