I. Initial examination and consultation for treatment overview. Make an appointment in advance for the initial examination. First hang up the initial consultation number of Orthodontics on the same day, bring a small case book, the doctor will tell you about your problem and its severity, possible orthodontic treatment and the approximate course of treatment, cost, and arrange the time for the first checkup. Second, routine examination (usually, one and two can be carried out on the same day) This visit will take about 1-2 hours, including: (1) Blood test, build a big medical record. (2) Bite dental molds for filing. (3) X-rays. (4) Taking facial dental images. (5) Make an appointment to see the program next time. (C) Determine the treatment plan and talk about the treatment plan. This visit will take about 30 minutes, including: (1) The doctor will analyze and measure your dental molds, X-rays and other information, and design one or more treatment plans suitable for you from the perspective of the best treatment results. You can decide on a final treatment plan with the doctor according to your conditions and requirements. (2) The patient or his/her guardian will sign the consent after the treatment plan is finalized. (3) Determine the cost of the treatment and the type of orthodontic appliances to be used, and the patient or his/her guardian will sign the agreement. (4) Make an appointment for the next visit. (1) The doctor will install the aligners on the patient’s teeth in one or more sessions according to the patient’s condition. (2) The doctor will tell the patient how to use the aligners and precautions, oral hygiene education. (3) Make an appointment for the next visit. V. Regular follow-up. According to the appointment time regularly (usually once every 4 to 6 weeks) to the doctor for follow-up, the time is about 0.5 hours, including: (1) The doctor checks the condition of the oral orthodontic appliances and the progress of the treatment, according to the condition of the next step in the treatment. (2) The patient’s active cooperation. (3) Make an appointment for the next follow-up appointment. Sixth, the removal of orthodontic appliances this visit takes 3 hours. After two years of treatment, the orthodontic appliances will be removed and most of the patients will start to wear the retainers when the desired treatment effect is achieved. (1) Removal of intraoral appliances. (2) Bite the dental mold. (3) Take X-ray film. (4) Taking facial and dental images. (5) Design and fabrication of retainers. (6) Make an appointment to wear the retainer and tell the precautions. Review of retainer. Review every 3 months to half a year. Routine examination: one month → three months → six months → one year