According to Xi Chen's orthodontist, the advantage of lingual appliance is that the bracket is installed on the lingual side of the inner teeth, and there will be no trace of orthodontics from the outer teeth. This is the biggest advantage of lingual appliance.

Disadvantages of lingual appliance:

Because the lingual appliance is installed on the inner side of the teeth, the shortcomings of the lingual appliance are obvious from the aspects of orthodontic difficulty, cooperation with doctors and nursing during orthodontic treatment. First of all, foreign body sensation is strong and coordination is difficult, which is not suitable for children's tooth deformity correction; Secondly, it affects pronunciation, and it is difficult to clean the mouth during orthodontics, which is easy to lead to periodontal disease; Then there is a higher price.

From the advantages and disadvantages of lingual appliance, it is more suitable for adults, because adults pay more attention to oral beauty during orthodontics, and adults have strong perseverance, which can overcome the foreign body sensation brought by the appliance and realize effective cooperation with doctors. However, due to the technical difficulty and high cost of lingual appliance, not many people choose lingual appliance at present.