Digital Imaging, Dental Film, and Processing Radiographs

Chapter 39

Automatic Processor

Machine that automates all film-processing steps.

Beam alignment device

Assists in the positioning of the position indicator device

Bitewing

Image view that shows the crowns of both arches on one film.

Calcium tungstate

Common type of phosphor

Cassette

Contains extraoral films during exposure

Cephalometric film

Shows the bony and soft tissue area of the facial profile.

Charge-coupled device (CCD)

Solid-state image sensor used in intraoral digital imaging.

Emulsion

Coating on the x-ray film that contains energy-sensitive crystals.

Extraoral film

film designed for use in cassettes

Film Speed

Amount of radiation required to produce a radiograph and the exposure time

Intensifying screen

Part inside an extraoral cassette that converts x-ray energy into visible light, which in turn exposes screen film.

Label side

colored side of the film that faces the tongue

occlusal

Radiographic view that shows large areas of the maxilla or mandible

Periapical

Radiographic view that shows the crown, root tip, and surrounding structures.

Phosphor storage plate

Reusable film sized storage plate that converts film based imaging to a digital format.

Tube side

Solid white side of the film packet that faces the x-ray tube

Step wedge

Device constructed of layered aluminum steps to demonstrate film densities and contrasts