sleep apnea subjects showed a posteriorly positioned maxilla and mandible , a steep occlusal plane , overerupted maxillary and mandibular teeth , proclined incisors , a steep mandibular plane , a large gonial angle , high upper and lower facial heights , and an anterior open bite in association with a long tongue and a posteriorly placed pharyngeal wall .
C0024687
mandible
C0015450
facial