The dental scaling process for calculus is oral anti-inflammatory disinfection, removal of calculus, and polishing. The main method of modern dentistry to remove dental calculus is ultrasonic scaling, and the scaling process is generally three steps: 1. Oral anti-inflammatory disinfection: before cleaning the teeth will be anti-inflammatory disinfection of the oral cavity, need to contain hydrogen peroxide for about a minute, is conducive to antibacterial and antiseptic. 2. Remove calculus: the use of ultrasonic vibration on the teeth of the calculus shock down, the time generally need about 30 minutes. 3. Polishing: After removing calculus and stains on the surface of the teeth, use a low-speed handpiece loaded with a polishing brush coated with polishing paste to polish the top of the teeth, which is conducive to the smooth surface of the teeth, so that plaque, as well as stains are not easy to adhere to the teeth. Scaling of dental calculus should be done in an authoritative hospital visit and operated by a professional doctor.