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根管治疗中,根管充填的最终目的是严密封闭根管系统,以防止口腔致病菌在根管及根尖周组织定植、再感染。因此,根管充填后根尖封闭性是决定根管治疗成功与否的关键因素。当前文献中用于评估根尖封闭性能的方法多种多样,但各方法的评价标准不统一,使得实验结果难以获得较好的可比性。文章介绍了评估根尖封闭性的常用方法并就各方法的优缺点做一分析。
In root canal therapy, the ultimate goal of root canal filling is to close the root canal system tightly to prevent the pathogenic bacteria in the root canal and periapical tissue from colonization and re-infection. Therefore, root canal filling after root apical closure is the key factor in the success or failure of root canal therapy. There are many ways to evaluate the apical sealing performance in the current literature, but the evaluation criteria of each method are not uniform, making the experimental results difficult to obtain a good comparability. This article describes commonly used methods for evaluating apical sealability and makes an analysis of the pros and cons of each method.