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CH. 26

Three-Dimensional Digital Imaging

TermDefinition
DICOM data universal formal for handling, storing and transmitting 3 dimensional data/images
Voxel smallest element of 3 dimensional image
Spacial resolution measurement of pixel size in multiplaner reconstruction
Sagital plane vertical plane that divides body into left and right sides runs perpendicular to ground
Multiplaner reconstruction MPR reconstruction of raw data into images when imported into viewing software to create 3 anatomical planes of the body
Field of view (FOV) area that can be captured when performing imaging
Cone-beam computed tomography (CBCT) describes computer, assisted digital Imaging in dentistry, uses a cone shaped x-ray beam and present in 3 dimensions
CBVT cone-beam volume imaging
Coronal plane vertical plane dividing body into anterior and posterior sides, runs perpendicular to the ground
Contrast resolution number of gray scale colors available to be chosen for each pixel of image
Three dimensional volume rendering 3 dimensional shape that is created from 2 dimensional images
A short exposure time decreases chances of motion artifacts to occur and encourage high level of patient cooperation
If FOV is small findings or pathology in other regions of oral maxillofacial complex may be missed
Cone to beam data is 1:1 ratio relationship with anatomy
Disadvantage of cone beam data is many dental professionals who incorporate CBCT have not had training required to interpret anatomy beyond MX and MD
3 dimensional imaging provides in depth image that gives dental professionals a more complete interpretive image than with 2 dimensional scans of traditional imaging
3 dimensional imaging serves a number of diagnostic purposes for dental practitioners
Created by: user-1888637
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