dental neck

例句：

1. 1. The dentist performed a thorough examination of the patient's teeth.
   牙医对患者牙齿进行了彻底的检查。
2. 2.The patient had a dental neck fracture that required immediate attention.
   患者有一颗牙齿颈部骨折，需要立即处理。
3. 3. The child was having difficulty with his chewing and was referred to a specialist for a dental neck evaluation.
   这名儿童在咀嚼方面遇到了困难，因此被转介给一位专家进行牙齿颈部评估。