dental alveoli

例句：

1. 1.The dental alveoli are the spaces between teeth where nerves and blood vessels reside.
   牙髓是牙齿之间的空隙，那里有神经和血管。
2. 2. During a root canal procedure, the dentist removes the infected dental alveoli to save the tooth.
   在根管治疗过程中，牙医会移除感染的牙髓以拯救牙齿。
3. 3.The patient's dental alveoli were exposed during the extraction due to poor oral hygiene.
   由于口腔卫生不佳，患者在拔牙时暴露了牙髓。