Orthodontic treatment usually takes one or two years, and the specific time is related to the age, teeth condition and orthodontic method. If the patient’s teeth do not have sparse, irregular phenomenon, then usually orthodontic only need about a year, especially during the orthodontic care as prescribed by the doctor, can shorten the time of orthodontic; if the patient belongs to the extraction of orthodontic, it usually takes nearly two years; In addition, if it belongs to the minors orthodontic, it is relatively shorter than the time of adults. The type of orthodontic treatment also affects the orthodontic time, if you choose metal braces, it will take about one to three years. If you choose invisible braces, it will take about a year. It is important to keep wearing the braces during orthodontic treatment to shorten the time. Orthodontics can not be generalized, many factors will affect the length of time, it is recommended that the patient timely medical treatment, clear dental conditions, and then develop a suitable orthodontic program.