例句與造句

1. 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
   本病例報告為一12歲女孩，主訴下顎前突及偏斜，經(jīng)第一階段以功能性顎骨矯正將上顎拉出及抑制下顎骨生長；第二階段使用全口固定式矯正裝置，以改良式meaw在3 ~ 4個月內(nèi)改善齒列正中線，以及修正偏斜的下顎。
2. It's difficult to find fixed orthodontic appliances in a sentence. 用fixed orthodontic appliances造句挺難的