First, traditional orthodontics.
Wearing an appliance is the most commonly used orthodontic method. Bonding metal brackets on the surface of teeth, applying biological force to dentition by adjusting the curvature of steel wire, so that the teeth are slowly stretched to the orthodontic target, and finally the orthodontic purpose is achieved.
Second, invisible orthodontics.
Invisible orthodontics pioneered bracket-free orthodontics. According to the orthodontic plan, the fully transparent braces are designed and made by computer in three dimensions, which is convenient for patients to take off, and can't be seen face to face at close range, which is beautiful and invisible.