Scaling in regular hospitals will not be infected with infectious diseases, scaling the use of instruments is high-temperature high-pressure disinfection, can achieve the effect of sterilization, the routine use of inspection instruments are disposable instruments, generally will not be a problem, it is recommended that scaling the teeth should be cleaned in regular hospitals, to avoid the infection of infectious diseases. Scaling is usually cleaned using ultrasonic vibration, the use of ultrasonic instruments surface can be used for disinfection, the use of the handle can be sterilized in the autoclave, can achieve a certain sterilizing effect. The autoclave is usually inspected and cleaned on a regular basis, which also achieves a certain rate of inspection and is also able to achieve a certain sterilizing effect, so that you can be assured of having your teeth cleaned. Every six months to 1 year or so, you need to carry out dental cleaning, so as to ensure oral health and hygiene.