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Comparison of image layer location among panoramic machines of the same manufacturer
T F Razmus1, B J Glass, W D McDavid
1Department of Dental Diagnostic Sciences, Indiana University School of Dentistry, Indianapolis.
Oral Surgery, Oral Medicine, and Oral Pathology
|January 1, 1989
Abstract:
The central plane of the image layer was located in several panoramic machines of the same manufacturer by making radiographs of a spherical test object placed in different positions. A round image indicated that the test object was at the central plane. The inconsistency of the location of the central plane in machines tested indicates the need for establishing a quality assurance test to verify image-layer location before patient exposure.