Nasal Bones Review Flashcards
1
Q
Patient position for Waters of nasal bones
A
- PA upright
- adjust chin so MML perpendicular to IR (OML 37 degrees to IR)
- MSP perpendicular to IR
2
Q
IR for waters
A
- Medium LW
3
Q
CR for waters
A
perpendicular to exit the acanthion
4
Q
Collimation for waters
A
Include frontal sinus to upper incisors and mid orbits crosswise
5
Q
Image critique for nasal bones:
A
- symmetrical orbits and equal distance from orbit to lateral border (if u can see it)
- MSP aligned with Long axis of field (rotation and tilt)
- Petrous ridges seen immediately below maxillary sinus (good MML/OML position)
6
Q
Patient position for Lateral:
A
- Upright L or R
- IPL perpendicular
- MSP parallel
7
Q
IR for lateral
A
Medium LW
8
Q
CR for lateral
A
Perpendicular to IR 0.5” inferior to nasion
9
Q
Collimation for Lateral
A
Include frontal sinus to acanthion lengthwise
Soft tissue of nose crosswise
pretty small
10
Q
What do you need to do for a lateral nasal bones projection?
A
REMOVE THE GRID
11
Q
Image critique for lateral
A
No rotation
Nasal bones, anterior nasal spine, and frontonasal suture included
