Radiographic Positioning: Radiographic Positioning of the Nasal Bones

NASAL BONES

ROUTINE VIEWS:
Waters
PA
Right and Left Lateral of Nasal Bones

Waters
1. 8 x 10 film
2. Patient prone or upright
3. Patient positioned with chin on table, O.M.L. forms 37o angle with plane of film
4. Bucky
5. 40" SID
6. Central Ray: passes through acanthion
7. This view can demonstrate a deviated nasal septum

PA
1. 8 x 10 film
2. Patient prone
3. Patient positioned with forehead on table, O.M.L. perpendicular to plane of film
4. Angle 15o caudal
5. Central Ray: exits nasion
6. 40" SID
7. Bucky

Right and Left Lateral of Nasal Bones
1. 8 x 10 detail film divided in half for each side
2. Patient prone
3. Head in true lateral position, interpupillary line is perpendicular to the film
4. Table top - detail cassette
5. 40" SID
6. Central Ray: perpendicular to film and centered to bridge of nose
7. Must include to anterior nasal spine
8. Use finger technique