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。
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。
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.
目的：探讨下颌升支矢状骨劈开术（SSRO）前徙下颌后，在不同颌周肌肉作用下，下颌升支手术区内的应力分布情况，从理论力学的角度为临床治疗提供依据。
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