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24 Cards in this Set
- Front
- Back
Radiation
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Form of ENERGY CARRIED by waves or a stream of particles
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X-radiation
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High-energy radiation PRODUCED by collision of beam electrons with a metal target in an x-ray tube
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X-ray
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Beam of energy that has the power to penetrate substance and record image shadows on photographic film
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Radiology
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Science or study of radiation as used in medicine
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Radiograph
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A picture on film produced by passage of x-rays through an object or body
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Dental Radiograph
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Photographic imaged produced on fim by passage of x-rays through teeth and related structures
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Radiography
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Art and science of making radiographs by exposure of film to x-ray
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Dental Radiography
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Prodction of radiographs of teeth and adjacent structures by exposure of film to x-rays
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Dental Radiographer
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Person who positions, exposes, processes dental x-ray film.
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Who discovered the x-ray?
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Wilhelm Roentgen
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Who developed the first x-ray tube
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Coolidge
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Who introduced long-cone paralleling technique?
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Fitzgerald
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Who Eposed the first dental radiograph in the U.S (live patient)?
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Kells
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Who used paralleling technique in practical dental radiography?
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McCormack
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Who exposed the first dental dental radiograph in the U.S. (skull)?
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Morton
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Who introduced the bisecting technique?
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Price
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Who wrote the first dental text; introduced bite-wing technique?
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Raper
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Who wrote the first paper on the danger of x-radiation?
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Rollins
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Who exposed the first dental radiograph?
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Walkhoff
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What is the central ray?
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The central portion of the primary beam of x-radiation
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How is the film placed in the mouth in respect to the tooth?
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The film is placed parallel to the long axis of the tooth being radiographed
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How is the central ray placed in respect to the tooth?
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Central ray is placed perpendicular to the film and long axis of the tooth
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Why is a film holder used?
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To keep the film parallel with long axis of tooth.
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Why is the object-film distance increased?
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To keep the film parallel with the long axis of the tooth.
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