fixation of loosened tooth

例句：

1. 1. The patient had a fixation of the tooth that required extraction.
   患者牙齿的固定需要拔除。
2. 2. The researcher found evidence of fixation in the fossil record.
   研究者在化石记录中发现有固定的证据。
3. 3.The car was stuck in the mud with its wheels fixed to the ground.
   汽车陷在泥里，轮子被固定在地上。