感染根管即牙髓感染后,扩展至根管的深层组织,而致全部根管甚至根尖周围组织都受到感染的一个病变过程。根管治疗的目的,在于消除已感染的牙髓组织。在应用消毒灭菌剂的条件下,而充填根管,以期达到消除根尖周围感染的来源,并保持无髓牙恢复到健康的,功能的状态。感染根管及根尖的微生物以链球菌为最多,葡萄球菌次之,其他尚有杆菌、肠球菌、霉菌等。关于感染根管消毒的重要性,历来都很重视,而列入感染根管治疗的中心问题 Infected root canal or pulp infection, extended to deep tissue of the root canal, which caused all the root canal and even periapical tissues are infected with a lesion process. Root canal treatment aims to eliminate infected pulp tissue. In the application of disinfectant conditions, and filling the root canal, in order to achieve the elimination of the source of infection around the root tip, and to maintain non-pulp teeth restored to a healthy, functional state. Infected with root canal and root tip of microorganisms to Streptococcus, Staphylococcus second, there are other bacteria, enterococci, molds and so on. The importance of disinfection of infected root canals has always been attached great importance to the central issue of root canal therapy