ZYGOMATIC ARCH Flashcards
SMV Projection
• Central Ray – perpendicular to
IOML 1 inch
posteriorto outer canthus
Tangential Projection / May Method
• Extend the patient’s neck so that the
__ is as parallel with the plane of
the IR.
• Rotate the MSP approximately __
degrees away from the side being
examined
• tilt the top of the head away from the
side being examined approximately 15
degrees
IOML
15
Tangential : May Method
CR - Perpendicular to __
and through the zygomatic
approx. __ inches
posteriorto outer canthus.
• S/S - The _____
IOML
1 ½
zygomatic arch
free of superimposition.
This projection is useful
with patients who have
depressed fractures or flat
cheekbones
Tangential
Modified Towne Method
• CR – __ degrees directed to
30 caudad glabella