I think the technology of Zhengda First Affiliated Hospital is better. Orthodontics includes a wide range, which usually refers to the treatment process of correcting teeth with irregular arrangement, abnormal tooth shape and abnormal tooth color through oral technical means. There are many methods of orthodontics, such as resin veneer, porcelain veneer, porcelain teeth, orthodontics and so on. We should choose the treatment method according to the actual situation of individual teeth and the type of tooth deformity. , and then combined with personal needs. Each method has its own advantages and disadvantages, and different people have their own preferences, so we need to communicate directly with doctors to determine the plan during the examination. Mainly divided into functional correction and aesthetic correction.