根管治疗术是牙髓病治疗学领域中重要的治疗方法,其中根管充填历来被认为是治疗成败的关键。近年来,有将药物置于根管口,不充填根管,而治疗尖周病的报告,这种方法可称为空管药物疗法。对于根管是否必须充填、空管药物疗法能否获得组织学愈合、其愈合机理以及所用药物的作用等问题,都需深入研究和探讨。 Root canal therapy is an important treatment in the field of endodontic therapies, and root canal filling has always been considered the key to the success or failure of treatment. In recent years, the drugs have been placed in the root canal mouth, not filling the root canal, and the report of the treatment of acute circumferences, this method can be called empty tube drug therapy. For the root canal must be filled, empty tube drug therapy can obtain histological healing, the healing mechanism and the role of the drug used and other issues, in-depth study and discussion.