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J Dent Res 36(5): 739-744, 1957
© 1957 International and American Associations for Dental Research
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AN ABRASION METHOD FOR DETERMINING THE WEAR RESISTANCE OF TEETH

I. DESCRIPTION OF APPARATUS AND VARIABLES

F. TAKETA 1, H. S. PERDUE 1, W. F. O'ROURKE 1, H. W. SIEVERT 1, and P. H. PHILLIPS 1

1 College of Agriculture, University of Wisconsin, Madison, Wis.

An abrasion apparatus for measuring relative tooth wear has been described. It was found that wear as measured is a power function of both the area of the material impinging on the surface of the belt, and its distance of travel (revolutions of the belt) relative to the abrasive surface. For the materials tested, the slopes were identical for both relationships.

By measuring wear as a function of surface area of the material in contact with the belt, and holding all other variables constant, values of relative wear for different materials were readily obtained. If the different materials have identical areas, the distance of travel on the abrasive surface necessary to cause a given amount of wear can be measured directly.

Revised on March 29, 1957






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