Wear of Composites by Abrasives of Varying Hardness

Author:

Rootare H.M.1,Powers J.M.1,Craig R.G.1

Affiliation:

1. School of Dentistry, The University of Michigan, Ann Arbor, Michigan 48109

Abstract

The relationship between the wear of three composite resins and the hardness of the abrasive was studied by a two-body abrasion test. The wear rates of the composites increased linearly with abrasive hardness from 530 to 2080 KHN. Measurement of the slope of the wear rate versus abrasive hardness over this range provided a sensitive method for ranking the composites.

Publisher

SAGE Publications

Subject

General Dentistry

Reference7 articles.

1. Clinical evaluation of composite resins as anterior and posterior restorative materials

2. Guenther, W.C. : Analysis of variance, Englewood Cliffs, N. J., Prentice-Hall, Inc., 1964,p.141.

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