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临床资料一般资料:本文统计共71例,78牙,男27例,女44例,年龄、18～30岁的29例占40.8%,31～50岁的36例,50岁以上的有6例。牙位分布情况,前牙43例.其中切牙37例,后牙35例其中第一磨牙15例.71例均有不同程度的自觉症状;有叩痛反应的65例,有瘘管存在的46例,有54例在x线片上显示根端牙槽骨有不同程度的被坏吸收。病例选择71例中,慢性牙槽脓肿46例,其中10例合并急性感染,慢性尖周炎25例,其中8例有牙槽骨破坏。治疗方法:常规除净腐质,开扩髓腔,除净髓
Clinical data General information: This article statistics a total of 71 cases, 78 teeth, 27 males and 44 females, age, 18 to 30 years old in 29 cases accounted for 40.8%, 31 to 50 years in 36 cases, 50 years of age in 6 cases . There were 43 cases of anterior teeth, including 37 cases of incisors and 35 cases of posterior teeth, among which 15 cases had first molars. There were 65 cases with percussion pain and 46 cases with fistula For example, 54 cases of root alveolar bone in the x-ray showed varying degrees of bad absorption. Of the 71 cases selected, 46 cases of chronic alveolar abscess, of which 10 cases with acute infection, chronic periapical 25 cases, of which 8 cases of alveolar bone destruction. Treatment: conventional addition to the net humus, open medullary cavity, except the net marrow