fixed orthodontic appliances造句

• After maxillary protraction and mandibular retraction with occipito - mental anchorage ( oma ) appliance on first stage , the patient was successfully treated with fixed orthodontic appliance with modified multiple loop edgewise archwire ( meaw ) and asymmetric elastics
  本病例报告为一12岁女孩，主诉下颚前突及偏斜，经第一阶段以功能性颚骨矫正将上颚拉出及抑制下颚骨生长；第二阶段使用全口固定式矫正装置，以改良式meaw在3 ~ 4个月内改善齿列正中线，以及修正偏斜的下颚。