apical periodontal abscess

例句：

1. 1.The patient had an apical periodontal abscess that required immediate treatment.
   患者有一个需要立即治疗的尖端牙周脓肿。
2. 2.The dentist discovered a deep apical periodontal abscess during the examination.
   牙医在检查时发现了一个深部的尖端牙周脓肿。
3. 3. The infection eventually spread to the apical periodontal abscess, causing severe pain and swelling.
   感染最终扩散到尖端牙周脓肿，导致剧烈疼痛和肿胀。