Facial Bones

Letter L is pointing to the:

• Body of the mandible

• Mentum

• Ramus of the mandible

• Coronoid process of the mandible

The palatine process is an aspect of the ____ bone.

• Maxillary

• Lacrimal

• Palatine

• Zygomatic

Which of the following bones makes up most of the lateral wall of the orbit?

• Zygomatic

• Lacrimal

• Maxillary

• Vomer

What is the positioning error for a parietoacanthial (Waters) projection if the teeth are within the maxillary sinuses?

• Rotation of the skull

• Tilt of the skull

• Excessive flexion

• Excessive extension

Letter N is indicating the:

• Maxillary sinus

• Zygoma

• Mandible

• Bony nasal septum

Which of the following projections would best detect a fracture of the orbital floor?

• Parietoacanthial projection

• Modified parietoacanthial projection

• SMV

• PA Caldwell projection

Letter C is pointing to the:

• Right petrous ridge

• Left petrous ridge

• Left maxillary sinus

• Ethmoid sinus

The zygomatic arch is formed by the:

• Zygoma and frontal bones

• Zygoma and maxillary bones

• Zygoma and temporal bones

• Zygoma and sphenoid bones

The largest moveable bone of the face is the:

• Mandible

• Maxilla

• Frontal

• Sphenoid

A lateral facial bone projection demonstrates one orbital plate higher than the other. The EAMs are also separated superiorly and inferiorly. What positioning error is this image demonstrating?

• Rotation

• Tilt

• Overflexion

• Overextension