Correctional system is by the German orthodontic specialist physicians in the mid - ninety - s, using computer and combined with their huge amounts of orthodontic clinical experience according to the characteristics of children's teeth, specially designed for children aged between 6 and 12 years of the new system, diseases of it: according to the shortcoming of traditional orthodontics system straight wire technology has carried on the comprehensive improvement, in recent years because of the wrong micromaxillary deformity correction for children of a few big advantage received orthodontic academics and children and their parents.

1. Mild to moderate dental crowding
2. Anterior deep overbite with temporomandibular joint symptoms
3. Mild to moderate dental dislocation
4, Mild to moderate dental protuberance