Image Characteristics
X-Ray Equipment
Digital Imaging
X-Ray Film
100

What term describes the portion of an X-ray image that appears dark?

What is radiolucent

100

What are the two types of dental x-ray machines?

What are intraoral and extraoral machines

100

What is the primary advantage of digital imaging over traditional imaging?

What is the ability to produce images almost instantly on a computer monitor.

100

What are the four basic components of dental x-ray film?

What are film base, adhesive layer, film emulsion, and protective layer.

200

What is the overall darkness or blackness of a dental image called?

What is density

200

What component of the intraoral x-ray machine suspends and allows positioning of the tubehead?

What is the extension arm

200

Name the two main types of digital imaging.

What are direct digital imaging and indirect digital imaging.

200

What is the latent image in dental radiography?

What is the pattern formed by stored energy in the silver halide crystals after exposure.

300

What type of contrast shows only two densities, black and white?

What is short-scale contrast

300

Name one type of beam alignment device used in dental radiography.

What is Rinn XCP

300

What does a charge-coupled device (CCD) do in digital imaging?

What is it captures the dental image.

300

What type of film is used to examine the entire tooth and supporting bone?

What is periapical film

400

Which geometric characteristic is influenced by the focal spot size?

 What is sharpness

400

What is the purpose of the lead foil sheet in an intraoral film packet?

What is to shield the film from back scattered radiation

400

How long does it typically take for a digital image to be recorded on a computer monitor?

What is between 0.5 to 120 seconds

400

What does F-speed film provide compared to D-speed film?

What is less radiation exposure to the patient.

500

Name the three influencing factors that affect image sharpness.

What are focal spot size, film composition, and movement

500

What is a common feature of portable intraoral units?

What is they allow for exposures outside of the dental office

500

What are two disadvantages of digital imaging?

What are initial setup costs and sensor size and thickness

500

Why is duplicating film used in dental radiography?

What is to create copies of existing images.

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