Adults can also correct their teeth. Porcelain orthodontics usually takes one week, and orthodontic treatment takes a long time. In the process of orthodontic treatment, the movement of teeth and jaws is gradual. In the process of orthodontic treatment, it usually takes about 2 years for the doctor to apply appropriate force to the appliance to gradually move the teeth, and the complex deformity may be longer. In the process of orthodontic treatment, patients usually need to make a follow-up visit every 3-4 weeks, and adjust the appliance appropriately according to the orthodontic treatment of malocclusion.