牙周病和牙髓根尖周病的的发病因素和病理过程虽不完全相同,但牙周袋内和感染的牙髓内都存在以厌氧菌为主的混合感染,二者的感染和病变可以相互影响和扩散,导致联合病变的发生。牙周-牙髓联合病变在临床上并不少见,如不及时、彻底治疗,会导致牙周组织的严重破坏,牙齿松动而脱落。本文作者用氢氧化钙及碘伏治疗牙周-牙髓联合病变,效果满意,报告如下。 Periodontal disease and apical periodontal disease of the pathogenesis and pathological process is not exactly the same, but the periodontal pocket and infected pulp there are mixed with anaerobic bacteria-based infection, the two infections and Lesions can affect each other and spread, leading to the occurrence of joint disease. Periodontal - endodontic joint disease is not uncommon in clinical practice, if not treated promptly, will lead to serious damage to the periodontal tissue, loose teeth and fall off. The author of calcium hydroxide and iodophor treatment of periodontal - endodontic joint disease, the results are satisfactory, the report is as follows.