Normal 12 years old is the golden age for adolescent correction, because at this time, the occlusal relationship between upper and lower teeth has been adjusted and the teeth have been shaped, so that the teeth can be diagnosed more accurately. As long as the correct correction method is adopted, the correction time is short and the effect is good.

/kloc-Adults over 0/8 years old can do orthodontics as long as they meet the basic requirements. Of course, for adults, the earlier orthodontics, the better.