It suggests that the antedisplacement of the mandibula have no significant affect on the posterior airway space and the profile of the corpora linguae.

• 前一种手术表现为舌骨后退幅度小于颌骨后退幅度，后一种手术舌骨的前徙幅度小于颌骨的前徙幅度，说明软组织的可容让性比骨组织大。