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J Dent Res 35(4): 509-517, 1956
© 1956 International and American Associations for Dental Research
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SURFACE APPEARANCE OF TOOTH CAVITY WALLS WHEN SHAPED WITH VARIOUS INSTRUMENTS

F. A. PEYTON D.SC.1 and J. F. MORTELL JR. D.D.S.1

1 School of Dentistry, University of Michigan, Ann Arbor, Mich.

A method suitable for examining the cavity walls of the extracted tooth has been presented. This method consists of shadowing the tooth surface with a thin film of copper or other metal to make the tooth less translucent. This operation permits the examination of the cut surface by reflected light at various magnifications.

Results are presented from the use of different cutting instruments to cut tooth tissue. Little difference in results can be observed from different speeds of rotation, or from using the instrument wet or dry, when the cut surface is examined macroscopically. A difference between burs, carborundum stones, and various diamond instruments is evident.

Submitted on February 2, 1955






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