Check the listing for details. Ultrasonic Electric Tooth Cleaner Tartar Plaque Remover Dental Scaler Tool Kit. Condition: New. Listed at 17.95 USD. Equipped with two different types of dental cleaning heads, which can be used to remove tartar and dental stains on the tooth surface and between teeth, and make oral cleaning more comprehensive. 10-minute timing protection: the dental scaler will automatically stop working after working for 10 minutes, so as to prevent the tip of the dental scaler from overheating and make your use safer.Equipped with two different types of dental cleaning heads, which can be used to remove tartar and dental stains on the tooth surface and between teeth, and make oral cleaning more comprehensive. 10-minute timing protection: the dental scaler will automatically stop working after working for 10 minutes, so as to prevent the tip of the dental scaler from overheating and make your use safer.