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根管治疗术是治疗牙髓病、根尖周病最有效的治疗方法。在根管治疗术中,根管充填是根管治疗的最后一个步骤,根管充填的目的就是彻底封闭整个根管系统,良好的根尖封闭尤为重要,这样可以防止细菌的侵入和细菌产物从根管系统扩散到根尖周组织。Martin认为根管治疗术失败的原因有近60%是根管充填不严密、根尖封闭性能不佳所致。
Root canal therapy is the treatment of pulp disease, periapical disease the most effective treatment. In root canal therapy, root canal filling is the last step of root canal treatment. The purpose of root canal filling is to completely close the entire root canal system. It is especially important to have a good apical seal so as to prevent bacterial invasion and bacterial product from Root canal system spread to the periapical tissue. Martin believes that nearly 60% of the causes of failure of root canal therapy are due to inadequate root canal filling and poor apical sealing performance.