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患者,男,35岁。因右上后牙区反复肿痛、溢脓近2月来诊。自诉近2月来,右侧后牙区反复肿痛,口服消炎药后症状可缓解,偶有脓液溢出而致口腔内有异味。专科检查:张口度正常,15、16、17牙体未见明显龋坏及其他硬组织疾病,挤压15、16根尖部,口腔内有脓液溢出,探查后发现,窦道口位于15、16根尖交界处,距龈缘约1.5 cm,窦道口直径约1 mm。锥形束CT(CBCT)扫描显示右上第三磨牙上颌窦内
Patient, male, 35 years old. Due to repeated swelling and pain on the right upper back area, overflow pus nearly two months to diagnosis. Prosecution in recent 2 months, the right posterior teeth area repeatedly swelling and pain, oral anti-inflammatory drugs can relieve symptoms, occasional overflow of pus caused by oral cavity odor. Specialist examination: mouth normal, 15,16,17 dental caries and no other obvious hard tissue disease, extrusion 15,16 tips, there is pus overflow in the mouth, exploration found that the sinus ostia at 15, 16 tips of the junction, about 1.5 cm from the gingival margin, sinus mouth diameter of about 1 mm. Cone beam CT (CBCT) scan showed the upper right third molar maxillary sinus