radi 106 facial bones-sinuses eval
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42 Terms
where is the cr for lateral facial bones/sinuses
midway between outer canthus and EAM
what positioning lines are used for lateral facial bones/sinuses
IPL perpendicular and IOML parallel
where is the cr for caldwell facial bones/sinuses
nasion
what is the tube angle for caldwell facial bones
15 degree caudad
what is the tube angle for caldwell sinuses
NO TUBE ANGLE!
what positioning line is used for caldwell facial bones
OML perpendicular
what positioning line is used for caldwell sinuses
AML perpendicular and then down a little bit
where is the cr for all waters views
acanthion
what positioning line is used for all waters views
MML perpendicular
where is the cr for modified waters views
acanthion
what positioning line is used for modified waters views
LML perpendicular
where is the cr for smv mandible
midway between gonions
where is the cr for smv zygomatic arches
midway between arches
what positioning line is used for smv views
IOML parallel
what is the tube angle for townes mandible
35 degree caudad
where is the cr for townes mandible
glabella
what positioning line is used for townes/modified townes views
OML perpendicular
what is the tube angle for modified townes zygomatic arches
30 degree caudad
where is the cr for modified townes zygomatic arches
1 inch above glabella
what is the tube angle for modified towne TMJ
35 degree caudad
where is the cr for modified towne TMJ
3 inches superior to nasion or ½ inch above level of TMJ
what is the collimation for tangential zygoma
5×7
where is the cr for tangential zygoma
zygoma of interest
how to position for tangential zygoma
start in SMV, rotate head 15 degrees, tilt chin 15 degrees
what is the collimation for rhese method
7×7
where is the cr for rhese method
downside orbit
what positioning line is used for rhese method
AML perpendicular
how to position for rhese method
chin, cheek, nose on bucky with eyeball on crosshair
where is the cr for pa mandible
junction of the lips
what positioning line is used for pa mandible
OML perpendicular
what is the tube angle for axiolateral oblique mandible
25 degree cephalic
where is the cr for axiolateral oblique mandible
soft spot of mandible
how to position for axiolateral oblique mandible
true lateral and move shoulder out of way, rotate 10-15 degrees towards IR, extend chin out
what is the collimation for laws and schullers
7×7
what is the tube angle for laws TMJ
15 degree caudad
where is the cr for laws TMJ
½ inch superior to upside EAM
how to position for laws TMJ
start in true lateral then rotate face 15 degrees towards IR
what is the tube angle for schullers TMJ
25-30 degrees caudad
where is the cr for schullers TMJ
½ inch anterior and 2 inches superior to EAM
what positioning lines are used for schullers TMJ
IPL perpendicular, IOML parallel
what two views use 60 kvp at 6 mas
axiolateral oblique mandible and tangential zygoma
what view requires the marker to be placed in the top corner
smv