Ellen - Facial Bones

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Label
- A. Maxilarry Sinuses
- B. Frontal Process
- C. Zygomatic Process
- D. Alveolar Process.
Label
- A. Ptgerygoid Hamulus of sphenoid
- B. Right Palatine Process of right maxilla
- C. Left palaatine process of left maxilla.
- D. Palatine Bones
Know This
Label
- A. Palatine process of maxilla
- B. Inferior nasal conchae
- C. Middle nasal conchae
- D. Superior nasal Conchae
- E. Crista galli
- F. Cribiform Plate
- G. Sphenoid Bone
- H. Vertical portion of Palatine
- I. Horizontal portion of palatine
Label:
- A. Superior and middle Nasal Conchae
- B. Inferior Nasal Conchae
For a lateral facial bone, whats the difference between erect and recumbent positions?

For erect, you can see air/fluid levels. Its also easier for hypersthenic patients.

Recumbent is usually used for trauma.
Where is the Central Ray on a Lateral Facial Bone?
- CR is centered at the zgoma.
For a waters view, how do you position it?
How do you position for a Erect Waters?
What do you see in a PA waters?

You see he petrous ridges below the maxillary sinuses.
How do you do a modified waters?
- - You place LML perpendicular to the IR.
- - OML should be at 55 degree angle to IR.
- - CR exits at acanthion.
For a lateral nasal bone view, what line are you aiming to make perpendicular to IR?

Interpupilary line
How do you do a Lateral Nasal Bone view? Where is the CR?
- CR is centered 1/2 inch inferior to nasion.
How do you do the SMV Zygomatic Arch view?