根管充填是根管治疗、保存牙齿的一步很重要的步骤。根管充填的主要目的和任务,我们都知道,必须是,严密的封闭填塞根管、根管壁及根端孔,以达到保茯根周组织,防止由根管进入细菌或渗出其毒素而致根周感染。一般根管充填的材料,以其化学或物理作用的 Root canal filling is a very important step in root canal treatment and tooth preservation. The main purpose and tasks of root canal filling, we all know, must be closed tight packing root canal, root canal wall and root hole in order to achieve protection of root tissue per cycle, to prevent bacteria from entering the root canal or ooze their toxins And root infection week. General root canal filling material, with its chemical or physical effect