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病例:女45岁。因左侧后牙区反复肿痛7年,张口受限3天就诊。全身情况良好。专科检查:左面颊部及颌下区明显红肿,有触痛。开口度0.5cm,(?)残根,叩痛,牙周溢脓。(?)X线牙片示远中牙槽骨吸收。初诊(?)尖周炎。用青霉素80万单位肌注,每日两次,共3天,肿痛减轻。在局麻下行(?)拔除并搔刮。术后25天局部又肿痛。(?)拔牙创口仍有溢脓,张口度未见改善。摄下颌骨正位片,示(?)倒置位于升支乙状切迹下,冠周有骨质吸收阴影。在口外行颌下切口,剥离嚼肌骨膜,见(?)部分牙冠
Case: Female 45 years old. Repeated swelling and swelling of the left posterior teeth area for 7 years, 3 days limited access to treatment. The whole body is in good condition. Specialist examination: left cheek and submandibular area was obviously inflamed, tenderness. Opening degree 0.5cm, (?) Remaining roots, percussion pain, periodontal pus. (?) X-ray shows distal alveolar bone absorption. Newly diagnosed (?) Periapical inflammation. 800,000 units penicillin intramuscularly twice daily for 3 days, swelling and pain relief. Under local anesthesia (?) Remove and scratch. 25 days after the local swelling and pain. (?) Tooth extraction wound still overflow pus, mouth no improvement. Photograph of mandibular anteroposterior film, showing (?) Inverted in the ascending branch sigmoid notch, the peri-coronal bone absorption shadow. Submandibular incision in the mouth, stripping the chewing muscle periosteum, see (?) Part of the crown