J Korean Acad Oral Maxillofac Radiol.
1997 Aug;27(2):49-62.
Experimental study of alveolar bone wall defects using direct digital radiography
- Affiliations
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- 1Department of Oral and Maxillofacial Radiology, College of Dentistry, Chunbuk National University, Korea.
Abstract
- The purpose of this study was to compare E-speed film, CDR, and modified CDR images by means of observing some artificial defects of alveolar bone wall in the sound human dried mandibles. High diagnostic accuracy was shown in 1 wall and 4 wall defects by all 5 observers (2 Radiologists, 2 Periodontists, 1 General practitioner), but the diagnosis in 2 wall and 3 wall defects was inaccurate. Modified CDR images had the more diagnostic accuracy than E-speed film and CDR images, but there was no statistical difference among them. Finally, radiologist used modified CDR images more than others and used equalization effect more than the change in contrast and/or brightness.
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