At present, the incidence of dentofacial deformities is over 90%. Dentofacial deformities have many hazards to human beings, as follows:

1 will affect the development of maxillofacial region;

2, it will affect the health and function of the mouth, such as chewing function, breathing and swallowing function will be affected;

3, it will affect people's appearance;

4, it will endanger the whole body health, such as some dentofacial deformities, which will affect the digestive function of patients, and even some respiratory functions will be affected. With the present technology, all tooth deformities can be basically corrected, so orthodontics is definitely good, which can solve most problems and has a good impact on maxillofacial health, including the whole body. The harm of tooth deformity may affect people's psychological and mental disorders in severe cases. Correction of dentofacial deformities can improve oral function, appearance and self-confidence. Therefore, from this aspect, the correction of dentofacial deformity is definitely good and effective.