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Dentomaxillofacial Radiology, Vol 21, Issue 3 127-134, Copyright © 1992 by British Institute of Radiology

ARTICLES

A comparison of conventional intra-oral radiography and computer imaging techniques for the detection of proximal surface dental caries

S. B. Dove and W. D. McDavid
University of Texas Health Science Center, San Antonio.

The detection of proximal surface caries by the visual interpretation of bitewing radiographs is known to be relatively inaccurate. The present study was designed to examine whether computer image processing could improve the diagnostic accuracy. A computer-aided, software-driven, TV-based system was used to digitize conventional radiographs and digitally process the images using histogram equalization and grey-scale inversion to enhance the images. The computer-enhanced images were compared with conventional intra-oral radiographs for the detection of proximal surface caries using receiver operating characteristic analysis. The results indicate that the digital image processing techniques used did not improve the diagnostic accuracy of dental radiographs. No significant difference in diagnostic accuracy could be detected between the non-enhanced digital images and conventional film-based images for the detection of proximal surface caries.


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V. Castro, J. Katz, P. Hardman, A. Glaros, and P Spencer
In vitro comparison of conventional film and direct digital imaging in the detection of approximal caries
Dentomaxillofac. Radiol., March 1, 2007; 36(3): 138 - 142.
[Abstract] [Full Text] [PDF]


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Copyright © 1992 by the British Institute of Radiology.