History & Characteristics
Film
Processing
Image Characteristics
Safety
100
Determines the quality or penetrating power of the central beam
What is kV?
100
A fast film would result in what for the patient?
What less exposure time and less radiation
100
Machine automatically processes film through each stage of the developing process
What is an automatic processor?
100
A dental assistant did not expose a film prior to processing. What appearance will the patient’s film have?
What is a clear film?
100
Monitors an individual’s radiation exposure in the office
What is a dosimeter badge?
200
Determines the amount or quantity of electrons
What is mA?
200
Optimum storage temperature for film
What is 70 degrees?
200
This processing solution removes unexposed silver halide crystals from the emulsion
What is fixer?
200
A dental assistant left a patient’s films in the developer for too long. What appearance will the film have?
What is a dark appearance?
200
Effects of exposure increase every time the individual is exposed to radiation
What is cumulative effects?
300
Mature cells rarely undergo division and are therefore termed...
What is radioresistant?
300
Dental film that requires 20% less exposure time than E-speed (Ektaspeed) is
What is F-Speed Film?
300
Occurs when a film has been exposed to a high temperature and then a low temperature
What is reticulation?
300
Difference between the densities of adjacent areas on a film
What is contrast?
300
Distance the radiation operator must stand away from the patient receiving radiation
What is 6 feet?
400
Which is a lead diaphragm disk with an opening in the center that greatly reduces the area of tissue exposed to radiation
What is collimator?
400
Fastest film speed available in dentistry
What is F-speed?
400
Used to monitor the quality of the processing solutions
What is the step-wedge test?
400
Black region of a radiograph that represents softer tissues that allows x-rays to pass through
What is radiolucent?
400
Dose limit of occupational exposure?
What is 0.05 Sv?
500
When current passes through the filament and heats it to an extremely high temperature
What is thermionic emission?
500
Which size of film is used to examine adult teeth using both periapical and bitewing techniques and on children for occlusal films
What is a size #2?
500
In manual processing, this stops the process of the developing solution
What is rinsing?
500
A higher quality radiograph will show a longer range of the
What is gray scale?
500
Which ensures that the exposure ends when the preset time has passed and not when the button is released
What is Deadman's Switch?
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