Facial Facial bones lateral Facial bones parietoacanthial (Waters) Facial bones PA axial (Caldwell) Facial bones trauma series Optic foramina parieto-orbital oblique (Rhese method) Zygomatic arches SMV Zygomatic arches tangential Zygomatic arches AP axial (Towne) Nasal bones lateral Nasal bones tangential Mandible PA P Page 1 N