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an x-ray photograph or image of the teeth, exposed either intraorally or extraorally. Intraoral films or image receptors are small, double-emulsion films without screens but with a lead foil backing to reduce patient dose, enclosed in a moisture-resistant envelope. Extraoral films are large, single-emulsion, screen films or image receptors.
1. a thin layer or coating.
2. a thin sheet of material (e.g. gelatin, cellulose acetate) specially treated for use in photography or radiography; used also to designate the sheet after exposure to the energy to which it is sensitive.
a radiographic film worn as a badge and used for detection and approximate measurement of radiographic exposure of personnel.
film changing device
enables the radiographer to change films quickly when a series of shots is being used, e.g. angiography.
film with a special reversal emulsion so that a contact print can be made with white light. Called also duplicating film.
nonscreen film used in dental radiography.
see copy film (above).
a film lacking in radiographic contrast.
a sterile, nonantigenic, absorbable, water-insoluble coating used as an aid in surgical closure and repair of defects in the dura mater and pleura and as a local hemostatic.
details of the animal examined and when and where the examination took place. Usually made on the x-ray by photographic means or by using radiopaque tape.
any device, usually lead letters, placed on the film to indicate which part of the animal was examined and the projection used.
film for getting very fine detail, used without a cassette and requiring long exposure time. This film is now banned in some parts of the world.
an x-ray film taken without contrast medium or other special effects. Often an exploratory or scout film.
a radiograph of a small anatomic area obtained (1) by rapid exposure during fluoroscopy to provide a permanent record of a transiently observed abnormality, or (2) by limitation of radiation passing through the area to improve definition and detail of the image produced.
fine-grain, medium-speed with wide tolerance for exposure times.
film sensitized to x-rays, either before or after exposure.