The correct term for scaling should be scaling, scaling is good for oral health, it can prevent periodontal disease and is a basic treatment for periodontitis, and it also helps aesthetics, as follows. 1. Prevent periodontal disease: plaque and tartar are the main causes of gingivitis and periodontitis, regular cleaning to remove plaque and tartar can effectively prevent periodontal disease. 2. Basic treatment of periodontitis: scaling is the basic treatment in periodontitis treatment program, and subsequent surgical treatment and restorative treatment should be carried out after scaling is completed. 3. Helps aesthetics: Scaling can remove the pigmentation deposited on the teeth, such as smoke stains and tea stains, and restore the original color of the teeth. It is recommended to go to the hospital to receive regular treatment.