Towne's (AP Axial)
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AP Axial Towne's

UPRIGHT BUCKY
Patient position
Supine or erect, back against IR.
Part position
OML perpendicular to IR; chin tucked.
Central ray
30° caudal to OML (37° to IOML), enters 2.5 in above glabella.
IR placement
24x30 cm.

Tech pearls

  • Modified Towne's for mandibular condyles uses 35° caudal.
  • Verify chin is tucked — line OML perpendicular to detector.
Series overview