根管治疗后再感染的原因与预防

Cause and prevention of re-infection following root canal therapy

根管治疗是急、慢性牙髓炎,根尖周病最彻底有效的治疗方法,是用特有的器械将存在于髓腔内、根尖周的病源刺激物取出,以达到防治急、慢性牙髓炎及根尖周病的目的,但它也有局限性,在失败的诸多因素中,根管内及根尖周微生物的再感染是最主要的,只有在根管预备、根管充填及牙冠修复过程中尽可能严格的按照要求和步骤操作,才能将根管治疗后再感染的几率降到最低。本文对根管治疗后再感染的原因及预防作一综述。

Root canal therapy is the most thorough and effective treatment method of acute and chronic pulpitis and periapical disease, Remove the pathogenic stimuli existing in the medullary cavity, apical to reach the purpose of prevention and treatment about ae -ute and chronic pulpitis and periapical disease, but it had limitations, in the many factors of the failure, root canal and periapical micro -bial re-infection is the main, only operate accordance with the requirements and steps in the process of the root canal preparation, root ca -nal filling and crown repair, can minimize the risk of infection after the root canal treatment, in this paper, it reviewed prevention of re-in -fection after root canal treatment.