FIG. 30.—Sections of orthognathous (light contour) and prognathous (dark contour) skulls, one-third of the natural size. a b, Basicranial axis; b c, b′ c′, plane of the occipital foramen; d d′, hinder end of the palatine bone; e e′,

DOI link for FIG. 30.—Sections of orthognathous (light contour) and prognathous (dark contour) skulls, one-third of the natural size. a b, Basicranial axis; b c, b′ c′, plane of the occipital foramen; d d′, hinder end of the palatine bone; e e′,

FIG. 30.—Sections of orthognathous (light contour) and prognathous (dark contour) skulls, one-third of the natural size. a b, Basicranial axis; b c, b′ c′, plane of the occipital foramen; d d′, hinder end of the palatine bone; e e′,