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Terms in this set (292)
What two basic Direct imaging(sensor) & indirect
methods are used imaging(PSP)
to acquire a digital
x-ray image?
Immediate viewing of images, less
radiation, no chemicals, ability to enhance
Advantages of
images, communication with other
Digital Radiography
dentists, no more lost films, remote
consultation capability
Cost, converting previous records to
Disadvantages of digital, learning the computer software,
Digital Radiography thickness and rigidity of sensors, infection
control
, Film Base - Clear Cellulose Acetate
Thin Adhesive Layer
What is intraoral film
Silver Halide Crystals - absorb radiation
composed of?
A protective layer to protect the emulsion
surface.
What is a latent The image on the film that is not yet
image? visible because it has not been processed.
What does 'film The amount of radiation that is required to
speed' refer to? produce a radiograph of standard density.
True or false: The True
larger the silver
halide crystals, the
faster the film
speed?
What is the fastest F-Speed. (It reduces patient exposure to
film speed currently radiation by 20-60% compared to E or D
available? speed film)
What are the 3 Intraoral film, extraoral film, and
types of x-ray film duplicating film.
used in dental
radiography?
When does a When it is placed in the mouth backwards.
"Herringbone"
pattern occur on
dental film?
, Child Size: 0
What are the 5
Narrow Anterior: 1
basic sizes that
Adult Size: 2
intraoral film comes
Preformed bitewing: 3 (infrequently used)
in?
Occlusal: 4
What are two Panoramic and Cephalometric.
common extraoral
radiographs taken?
A device that intensifies or increases the
effect of radiation and thus decreases the
What is an
amount of exposure time needed. It is
intensifying screen?
coated with phosphor which gives off
light when struck by x-radiation.
1. Developing (reduce the silver halide
crystals into black metallic silver)
What are the 5 2. Rinsing (remove developer from film)
steps in processing 3. Fixing. (use an acidic solution to remove
film? unexposed silver halide crystals)
4. Washing (wash the film)
5. Drying
What are the two Bisecting & Paralleling
techniques that can
be used for
exposing intraloral
images?