摘要:慢性根端脓肿有瘘是慢性根尖周炎的一种,慢性根尖周炎是指根管内长期存在感染源及病原刺激物,根尖周围组织呈现慢性炎性反应,主要表现为炎性肉芽组织形成和牙槽骨破坏。病变类型包括根尖周肉芽肿、慢性根尖周脓肿、根尖周囊肿、根尖周致密性骨炎。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。
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