Precautions after scaling: 1.After scaling, iodoglycerin will be applied, in this case, no brushing, no rinsing, no drinking within 20 minutes, and ensure that the drug is continuously in the mouth. 2.In the near future, you cannot eat too cold and too hot food, because it is especially easy to produce dentin sensitivity when eating. 3.Brush your teeth on time, in the morning and in the evening, and scaling regularly. Generally, it is recommended to clean the teeth once in half a year to once a year. 4, avoid the bad habits of the mouth, such as smoking, eating spicy and stimulating food. 5, if you have caries or wedge-shaped defect, you should fill the teeth in time, and it is recommended to correct the improper way of brushing, and use the anti-allergy toothpaste or periodontal care toothpaste for a period of time after scaling, and then replace it with normal toothpaste, which is helpful to ensure that the teeth do not This will help to ensure that teeth do not become sensitive. After cleaning your teeth, you should use mouthwash, such as chlorhexidine rinse, rehabilitation solution, etc.