More and more people are orthodontic, it is important to choose what kind of orthodontic appliance, before many people will choose wire orthodontic appliances, now there are more options. There are many advantages of wire orthodontic appliances, the main advantages of which are: (1) strong stability. Compared to invisible orthodontic appliances, wire orthodontic appliances, not easy to change, can be stable orthodontic teeth. (2) Wire braces are less expensive. Wire braces are commonly available in a wide variety of materials, and many will choose wire braces for orthodontic treatment. After wearing wire braces should pay attention to, can not eat too hard food, too hard food will affect the teeth correction, but also damage the teeth and braces; wear wire braces should also pay attention to oral hygiene, pay attention to the teeth and braces cleaning after eating, to prevent the braces around the residual food, resulting in dental caries and periodontal problems. When you first wear wire braces, you should respond to your doctor in a timely manner and deal with discomfort if it occurs. Compared to invisible aligners, wire aligners have a strong foreign body sensation and are prone to mouth ulcers at first, so you can choose self-sealing braces to avoid the occurrence of ulcers. The disadvantage is that the aligners on the teeth during the orthodontic process can affect the aesthetics. The wearing of aligners has been changing with the development of medical technology, and due to the disadvantages of wire aligners affecting the appearance, many modern people will choose invisible aligners.