maxillary protraction中文什么意思
上颌前伸
- protraction: n. 1.拖延;伸长,延长。 2.制 ...
- dose protraction: 长时间低照射量,剂量延长分割
- extraoral protraction: 口外前牵引
例句与用法
- 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。