The cost is around 200 yuan. Ultrasonic dental cleaning is to loosen and break dental calculus by using ultrasonic vibration emitted by ultrasonic dental cleaning machine. Ultrasonic tooth cleaning is very effective in removing tartar. Sand-blasting tooth cleaning machine uses high-pressure airflow to spray a kind of salt on the tooth surface to remove dirt on the tooth surface and crevices and make the teeth whiter. Generally, sandblasting is used to clean teeth after ultrasonic cleaning, and the effect is remarkable. Ultrasonic tooth cleaning is recommended to be done in the stomatology department of a regular hospital, and the equipment and technology are guaranteed.