There was a strong correlation between the amount of mandibular setback and the vertical change of hyoid and pharyngeal airway area.
下颌骨后退距离与后气道间隙面积的减小值和舌骨垂直方向变化呈正相关。
2
Objective To provide a quantity index for alveolar ridge augmentation at mandibular posterior area.
目的为下颌后牙区牙槽嵴增高术提供定量指标。
3
Objective: To study the distribution of stress caused by different mastication muscles in mandibular ramus operative area after sagittal split ramus osteotomy (SSRO), so as to guide the clinical work.