gum abscess

例句：

1. 1. He had a gum abscess that required emergency surgery.
   他得了一颗牙髓脓肿，需要紧急手术。
2. 2. The dentist advised him to seek treatment for his gum abscess immediately.
   牙医建议他立即治疗他的牙髓脓肿。
3. 3. Gum abscesses can be painful and require proper medical care to resolve.
   牙髓脓肿可能会很痛，需要适当的医疗照顾来解决问题。