(27) Three-Dimensional Digital Imaging

Computer assisted imaging using a cone-shaped beam of radiation to get a RD Image

Cone Beam Computed Tomography (CBCT)

Universal format for storing and transmitting 3D images Digital Imaging and Communications in Medicine

DICOM date

Area that can be captured in an image during an exposure

Field of View

Divided horizontally (top to bottom)

Axial plane

Divided anterior and posterior halves (front and back)

Coronal plane

Divided left and right halves

Sagittal plane

3D version of a pixel. It’s a pixel with volume.

Voxel

DICOM images allows practitioner to see field of view in how many dimensions?

3

Can DICOM images be viewed in all three planes, slice by slice?

yes

When DICOM images are viewed together, images are referred to as what?

Multiplanar reconstructed images

Can DICOM images be shared amongst dental professionals?

yes

How big is a CBCT machine?

comparable in size to a panoramic machine

How is the patient positioned when taking a CBCT?

sits, stands, or is placed in a supine position

Purpose of CBCT 

• implanet placement

• Extraction or exposure of impacted teeth

• Endodontic assessment

• Airway and sinus analysis

• Orthodontic evaluation