2. Ultrasonic dental cleaning: it is to loosen dental calculus by ultrasonic vibration emitted by an ultrasonic dental cleaner, and then remove dental calculus with a scraper. The general charge is about 120 yuan;
3. Sand blasting cleaning: spray a solid salt on the tooth surface with high-pressure airflow to remove stains on the tooth surface and between teeth. The general charge is about160;
4. Tooth polishing: polishing paste is used to polish teeth with smoother surface and more comfortable taste, and it is no longer easy to attach dirt. The general charge is about 100 yuan.