慢性根端脓肿有瘘型,是口腔内科治疗的常见病,多因根管感染波及根尖周组织而发病。根尖部脓液逐渐蚀破骨壁和软组织,而形成瘘道,以往临床治疗常需反复多次,瘘道难以愈合。近年我在临床实践中,采用瘘道通过根管一次充填的方法治疗慢性根尖脓瘘,收到较为满意的效果,现报告如下。 Chronic root abscess fistula, is a common disease in oral medicine, mostly due to root canal infection and root canal infection affecting the pathogenesis. Apical pus gradual erosion of the bone wall and soft tissue, and the formation of fistula, often require repeated clinical treatment many times, difficult to heal the fistula. In recent years, I in clinical practice, the use of fistula through a root canal filling of chronic apical fistula, received more satisfactory results, are as follows.