单项选择题
患牙无明显自觉症状,颊侧牙龈见一窦道,叩诊不适,牙髓活力测试无反应,X线示根尖区透射影,最可能的诊断是 A. 可复性牙髓炎 B. 急性牙髓炎 C. 慢性根尖周炎 D. 残髓炎 E. 逆行性牙髓炎
患牙无明显自觉症状,颊侧牙龈见一窦道,叩诊不适,牙髓活力测试无反应,X线示根尖区透射影,最可能的诊断是 A. 可复性牙髓炎 B. 急性牙髓炎 C. 慢性根尖周炎 D. 残髓炎 E. 逆行性牙髓炎
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