【yewseenhang】評論
(A) The primary technique for correction of maxillary deficiency is the Le Fort I osteotomy. This technique can be used for advancement of the maxilla to correct a class III malocclusion and associated facial abnormalities. 最主要的手術方式為 Le Fort I osteotomy。(B)(C) Patients with maxillary deficiency commonly appear to have a retruded upper lip, deficiency of the paranasal and infraorbital rim areas, inadequate tooth exposure while smiling, and a prominent chin relative to the middle third of the face.中文補充:常合併鼻側及眼眶下區發育不足,微笑時牙齒暴露不足。(D) Maxillary deficiency may occur in the anteroposterior, vertical, and transverse planes.中文補充:前後徑、左右徑、上下徑方向皆會發生。