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徐××,男,43岁,干部,1986年4月20日来诊.患者近2年来上唇系带右侧有一小疙瘩,常有少许脓液流出,无牙痛史,行上唇系带窦道切除无效.查:上唇系带右侧粘膜处见0.3cm直径紫红小疙瘩,中有小孔,按之自孔流出少许血脓.11、12、21、22检查均正常.23至25固定桥,不松动,无叩痛,桥基牙23热诊测验无反应,对照桥基牙25及对侧同名牙13热诊测验反应均正常.上颌咬合片见23根尖部有一硬骨板消失区阴影.于上唇系带右侧之窦道口插入探针指向23根尖处.初诊:23慢性尖周炎窦道越过中线.拆除桥基牙23无缝冠,见牙冠呈灰色,开放髓腔牙髓坏死,仅见少量黑分泌物,扩大根管,用3%过氧化氢液冲洗时见有水泡沫自对侧上唇系带窦道口处流出.以FC消毒,立即用丁香油碘仿糊剂加牙胶尖作很充.1周后窦道消失,作永久充填,至今未复发.X线片复查23根尖部已恢复正常.
Xu × ×, male, 43 years old, cadres, April 20, 1986. The patient has a small lump on the right side of the upper lip lace in the past 2 years, often with a little pus outflow, no history of toothache, Check the upper lip lace with the right mucosa at 0.3cm diameter purple small lumps, there are small holes, according to the flow of a small blood outlet from the hole 11,12,21,22 were normal inspection 23 to 25 fixed bridge , No loosening, no percussion pain, bridge abutment 23 heat test no response, the control abutment 25 and the opposite side of the same name of the 13 heat test test were normal. .In the upper lip lace on the right side of the sinus mouth into the probe pointing 23 tips .New diagnosis: 23 chronic periapical sinus across the midline.Six bridge abutments 23 seamless crown, see gray teeth, open pulp cavity Medullary necrosis, only a small amount of black secretions, expand the root canal, with 3% hydrogen peroxide solution flushing see the water bubble from the opposite side of the upper lip lacing sinus outlet. FC sterilization, immediately with clove oil iodoform paste Gutta percha for a full charge .A week after the disappearance of the sinus, as a permanent filling, has not relapsed .X-ray review of the 23 tips have returned to normal.