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Dentomaxillofacial Radiology, Vol 18, Issue 1 15-18, Copyright © 1989 by British Institute of Radiology

ARTICLES

Information yield: a comparison of Kodak T-Mat G, Ortho L and RP X-Omat films

D. A. Miles, M. L. Van Dis and M. G. Peterson

The information yield from two rare-earth screen-film combinations, Lanex Regular/T-Mat G (TMG) and Lanex regular/Ortho L (OL) has been compared with that from a conventional calcium-tungstate combination, X-Omatic regular/RP X-Omat (XRP), by means of perceptibility curves generated from an aluminum test object. The TMG and OL systems were faster than the XRP and the OL had the widest latitude. The maximum number of details perceived was similar for all three systems. The results support the suggestion that the TMG and OL systems permit more information to be perceived than XRP and that the newer imaging systems do not lose information despite their increased speed.


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K Yoshiura, U Welander, W. McDavid, G Li, X-Q Shi, E Nakayama, M Shimizu, K Okamura, and S Kanda
Comparison of the psychophysical properties of various intraoral film and digital systems by means of the perceptibility curve test
Dentomaxillofac. Radiol., March 1, 2004; 33(2): 98 - 102.
[Abstract] [Full Text] [PDF]


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