Radiography of the paranasal sinuses

previous | next.
1, Mandible. 2, Upper edge of the orbit. 3, Frontal sinus. 4, Maxillary sinus. 5, Dens of axis.

previous | next.
1, Superior orbital fissure. 2, Greater wing of sphenoid bone . 3, Lesser wing of sphenoid. 4, Frontal sinus. 5, Petrous bone.

previous | next.
1, Hard palate. 2, Maxillary sinus. 3, Orbit. 4, Frontal sinus. 5, Sphenoidal sinuses. 6, Pituitary fossa. 7, Posterior clinoid process. 8, Spinous process (Atlas). 9, Spinous process (Axis).