1, Diet: Avoid chewing hard things, such as ribs and snacks with shells. Avoid chewing sticky food, such as chewing gum, glutinous rice products, milk candy, etc.

2, oral hygiene: brush your teeth every morning and evening and after three meals, choose a high-quality toothbrush with soft hair and small head, and there should be no food residue on the utensils and teeth.

3. Normal reactions after wearing the appliance for the first time: such as toothache, mucosal injury, ulcer, etc. It can be relieved or eliminated in a week or so. If it's severe pain, it's not normal. You should seek medical attention in time.

4. Damage and maintenance of the appliance: If the appliance is damaged, it should be properly preserved, and the damaged part should not be lost. Contact the doctor in time and repair it as soon as possible, so as not to affect the course of treatment and curative effect.

5. Coordination between patients and parents: The process of correction is long. During this period, patients, parents and doctors must cooperate well to achieve satisfactory results.

6. Make an appointment for follow-up: The patient should make a follow-up visit within the time specified by the doctor.