tooth space indicator

例句：

1. 1. The dentist uses a toothspace indicator to measure the width of eachtooth.
   牙医使用牙齿空间指示器来测量每颗牙齿的宽度。
2. 2. The patientneeds to have their teeth space indicator checkedregularly to prevent cavities.
   患者需要定期检查牙齿空间指示器，以防止蛀牙。
3. 3. The dentist explained how the tooth spaceindicator works and showed the patient how touse it correctly.
   牙医解释了牙齿空间指示器是如何工作的，并向患者展示了如何正确使用它。