dental elevator

例句：

1. 1. The dental elevator is used to lift the patient's head during a dental procedure.
   牙科升降机用于在牙科程序中抬起患者的头部。
2. 2.The dentist used the dental elevator to adjust the patient's bite.
   牙医使用牙科升降机来调整患者的咬合。
3. 3.During the extraction, the dentist used the dental elevator to lift the tooth.
   在拔牙过程中，牙医使用了牙科升降机来抬起牙齿。