Tartar on teeth is categorized into soft tartar and calculus. According to the type of tartar, brushing and flossing, ultrasonic cleaning and other treatment measures are chosen. 1. Brushing and flossing: Food debris and soft tartar will accumulate on the neck and surface of the teeth after eating, which can be removed by flossing, and then adopting the correct brushing method, the best method is the pasteurized brushing method, which can clean up the soft tartar and food debris. 2. Ultrasonic cleaning: The calculus formed on the teeth due to the accumulation of food debris caused by incomplete brushing can be removed by supragingival cleaning and subgingival scraping to prevent the occurrence of gingivitis or periodontitis. Tartar on the teeth in time to the hospital, clear is soft tartar or calculus, and then take the best treatment program, to avoid inflammation of the teeth and so on.