1. Call the appointment number 3 to 5 days before the follow-up appointment and make an appointment with the doctor in charge. If you cannot attend the appointment on time for any reason, you should contact the doctor in charge in advance to change the appointment time. You should brush your teeth before the follow-up appointment, register and wait in line. 2. Pay attention to oral hygiene, you must brush your teeth after each meal, check in the mirror to make sure there is no food residue on the aligners and teeth, otherwise it is easy to cause gum bleeding, gingivitis, periodontitis, tooth decalcification and dental caries, affecting orthodontics and oral health. 3, orthodontic braces after 3 to 5 days of force, the teeth and other tissues under pressure will have acid, swelling, pain and other discomfort, generally about a week to subside on their own, such as force after the teeth pain is obvious or pain continues to increase, should be timely follow-up, do not move or adjust the wire on the aligner. 4, after the initial installation of orthodontic appliances, the oral mucosa is prone to oral ulcers, generally within two weeks to subside on their own, no special treatment. 5, during the orthodontic period, avoid eating hard, soft and sticky food to prevent the aligners stuck in the teeth from falling off, otherwise it will delay the treatment time. If the aligners fall off inadvertently, they should be promptly rechecked and re-bonded. 6, ligated in the orthodontic appliance on the small wire head if accidentally slipped out, tied to the oral mucosa, available oral small apparatus to push it to the teeth; can not solve their own, the need for follow-up treatment. 7, follow the doctor’s instructions to wear orthodontic appliances and their accessories (such as traction rubber band, head cap, etc.), such as repeatedly causing damage or loss of orthodontic appliances, the doctor in charge has the right to terminate orthodontic treatment.