The University of Texas Dental Branch Clinical Encounter System.

by Rudy Bretz

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Describes the independent-access Clinical Encounter Simulator used at the innovative University of Texas Dental Branch in Houston. Based upon a unique three-dimensional intraoral camera and still-picture storage on video disc, it gives individualized practice in clinical decisionmaking by showing stereo images of a step in a dental process, letting the student judge whether it has been correctly executed, and if not, what revision is required before the next step can be taken. The student is then shown on split-screen the original picture and a view of the appearance when the work has been properly done. The student compares and revises his judgment, if indicated. This is repeated throughout the exercise, giving the student 60 times as many decisions to make, with immediate feedback, as conventional laboratory work provides in the same length of time. The advanced student is also given information about the patient's needs and condition; tactile and olfactory information is described. For each procedure, the system generates many programs, each with 50 percent random errors. Flowcharts are included. (Invited article for P. D. Sleeman and S. D. Zalatino (eds.), [A Systems Approach to Learning Environments]. 13 pp.

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