There are three types of orthodontic treatment: first, active orthodontics, which is mainly used in childhood for the correction of upper and lower jaw deformities. Second, the more common wearing brackets, patients refer to wear braces is this kind of, usually applicable to all people. Third, invisible orthodontics, invisible orthodontics is wearing invisible braces, it is transparent, wear in the mouth at a distance is not easy to be found, and patients can replace each pair of braces, more suitable for patients who do not have the ability to review in time after college. There are thousands of orthodontic methods, it depends on each individual to choose a more appropriate way, orthodontic treatment sometimes with surgery, for patients with obvious overdevelopment of the lower jaw, you can take orthognathic surgery to restore, which are part of orthodontics, is not to be ignored. After orthodontic treatment, retainers are also required, which need to be worn for more than one year.