Scaling, or supragingival scaling, is a basic component of treatment for gingivitis and periodontitis and is good for oral health. The instruments used during the scaling process may create scratches in the enamel, which can be restored to smoothness by polishing without causing serious damage to the teeth. Gingivitis and periodontitis are common diseases of the oral cavity, supragingival scaling is the basis for the treatment of gingivitis and periodontitis, removing plaque and tartar adhering to the tooth surface by means of a hand instrument scaler or ultrasonic scaler, eliminating inflammation of the periodontal tissues and preventing inflammation from recurring, which is conducive to the maintenance of the health of the periodontal tissues and prolonging the use of teeth. After hand instrument cleaning and ultrasonic cleaning, the instruments may leave small scratches on the surface of the teeth, through the polishing technology can make the surface of the teeth back to smooth, to avoid the adverse effects of scratches. It is recommended that you visit a hospital to receive regular treatment.