随着成人正畸需要的增加,美观托槽已越来越多地被正畸医生采用。病人为了追求治疗过程的美观效果,常会要求以美观矫治器进行治疗,如透明塑料托槽、透明陶瓷托槽等。但不管采用何种透明材料的托槽,却难免从唇侧看到矫治器。因此,唇侧完全不可见矫治器—舌侧矫治器越来越多地被广大正畸医生所关注。自1970年开始,美国加州正畸医师 As adult orthodontic needs increase, aesthetic braces are increasingly being used by orthodontists. Patients in pursuit of the aesthetic effect of the treatment process, often require the treatment of beautiful appliances, such as transparent plastic brackets, transparent ceramic brackets. But no matter what kind of transparent material brackets, but inevitably seen from the labial appliance. Therefore, the lip is completely invisible appliance - lingual appliances more and more attention by the majority of orthodontists. Since 1970, California orthodontist