“scaler”可以造什么句，scaler造句

The other stain is hard. It has to be scraped away with a scaler.

This air scaler is intended to remove dental plaque, calculus and stain from tooth surface and tooth root by dental professionals only.

Use a Towner U-15 scaler here. Be sure to reach under the particle of calculus and scrape upward.

The doctors can do it. They remove them with a special instrument or an ultrasonic scaler.