impression tray for anteriors

例句：

1. 1. The dentist uses a frontal impression tray to take impressions of the patient's teeth.
   牙医使用前部印象托盘来为病人的牙齿做印模。
2. 2. During surgery, the surgeon needs to make sure that the frontal impression tray is properly positioned.
   在手术过程中，外科医生需要确保前部印象托盘放置正确。
3. 3. The frontal impression tray is used to create accurate dental models for treatment planning.
   前部印象托盘用于创建准确的牙科模型，以供治疗规划。