Title
Marginal accuracy of CAD/CAM inlays made with the original and the updated software Marginal accuracy of CAD/CAM inlays made with the original and the updated software
Author
Primary author, Editor
Willems, G.
Author
Faculty/Department
Faculty of Medicine and Health Sciences
Publication type
article
Publication
London ,
Subject
Human medicine
Source (journal)
Journal of dentistry. - London
Volume/pages
20(1992) :3 , p. 171-177
ISSN
0300-5712
ISI
A1992HV65200008
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
The software driving the Cerec CAD/CAM system has recently been updated. In this study, the marginal accuracy of computer-machined porcelain inlays was determined using the original and the updated software. Two types of MOD cavities in Frasaco resin teeth were prepared with either sharp or rounded box corners. The distance of the occlusal and proximal marginal interface was determined using a measuring microscope. The mean occlusal interfacial distance was 52 μm for both programs. Only the box corners showed a significantly larger space, of which the mean value was approximately 200 μm. The updated version improved the marginal accuracy at the box corners. Further reduction of the interfacial distance was accomplished by rounding the sharp box corners.
E-info
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