Research Article| Volume 21, ISSUE 6, P743-747, June 1966

Skull adapted for teaching roentgenographic technique

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      The purpose of the project described here was to develop a teaching aid for oral roentgenology. Windows were prepared in the maxilla and mandible of a skull so that a light source, representing the focal spot of an x-ray machine, passing through the window would produce an image on a film packet which is positioned by means of standard film-holding devices. This teaching aid offers the following advantages:
      • 1.
        1. It serves as an intermediate step between classroom and clinic, reducing time consumption and unnecessary radiation during the trial-and-error period.
      • 2.
        2. A concept of target-film-object relationship can be easily visualized.
      • 3.
        3. This inexpensive laboratory teaching aid can be used in other than roentgenology courses.
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        • Scheman P.
        A Simple Aid in Teaching the Principles of X-ray by Analogy With Light.
        Army D. Bull. 1943; 19: 72-75