Journal of Dental Research, Vol 68, 1752-1754, Copyright © 1989 by International & American Associations for Dental Research Online Journals

ARTICLES

Quantitative in vivo wear of human enamel

P. Lambrechts, M. Braem, M. Vuylsteke-Wauters and G. Vanherle
Department of Operative Dentistry and Dental Materials, U.Z. St. Rafael, Leuven, Belgium.

In this study, the attrition wear, also called occlusal-contact-area wear, of human enamel was measured quantitatively with a computerized three-dimensional measuring technique over a period of four years. Tooth replicas from a clinical trial were used. A running-in wear period after restorative treatment, followed by steady-state wear, was suggested. The average steady-wear rate on occlusal contact areas was about 29 microns per year for molars and about 15 microns per year for premolars.

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