Chapter 26: Extraoral Imaging
Learning Objectives
At the end of this module chapter, you will be able to:
26.1
- Define the key terms associated with extraoral imaging.
- Describe the purpose and uses of extraoral imaging.
- Describe the equipment used in extraoral imaging.
- Detail the equipment and patient preparations necessary before exposing an extraoral projection.
26.2
- Identify the purpose and describe the head position, the receptor placement, and the beam alignment for each of the following extraoral projections: lateral jaw projection – body of the mandible, lateral jaw projection – ramus of the mandible, lateral cephalometric projection, posteroanterior projection, Waters projection, submentovertex projection, reverse Towne projection, extraoral bite-wing images, and transcranial projection.
