Facial Bones

Facial 1 to 2 Views

Projections:

PA

Lateral

Criteria:

PA Caldwell

- Entire orbits and facial bones

- No rotation or tilt

- Symmetric petrous ridges lying in lower third of orbit

Waters

- If OML 37 degrees, petrous pyramids below maxillary sinuses

- If OML 55 degrees, petrous pyramids lying below the orbital shadows (will be in maxillary sinuses)

- No rotation

Lateral

- All facial bones in entirety, zygoma in center

- Superimposed mandible and orbital roofs

- No rotation

PA Caldwell

PA Waters

SMV