root of tooth

• 齿根

root of tooth的用法和样例：

例句

1. Considering the time-variant mesh stiffness, the calculated results demonstrated the change of tooth root bending stress in one engagement period.
   计算结果揭示了由于时变啮合刚度的影响齿根弯曲应力在一个啮合周期的变化规律。
2. The 28-year-old male got his amputated molar tooth lost in the submandibular space when receiving tooth extraction.
   患者于接受智齿拔除时，牙齿齿根掉入下颔下间隙，经手术取出，无合并症发生。