How long you have to wear braces after orthognathic surgery needs to be judged according to the patient’s recovery, etc. It may take one to two years. Orthognathic surgery is mainly used to improve the dental arch and dental incongruity, so as to achieve a better orthognathic effect, so as not to affect the aesthetics of the individual, and can enhance the personal temperament and charm. The time to wear braces after orthognathic surgery varies from person to person. If the situation is mild, it will take about one year to one and a half years, while if the situation is more serious, it may take one and a half years to two years. Generally after orthognathic surgery, regular medical checkups are needed to understand the individual’s physical condition and to avoid damaging the tissues, which may affect the later recovery.