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Methods used in evaluation of high-speed dental instruments at the Armed Forces Institute of Pathology during a two-year period are presented as possible guides for future tests. These include the methods and results of a human sound experiment to determine the effects of high-speed instruments on thresholds of hearing.
The biologic effects of high speeds on the dental pulp were investigated by means of both animal and human experiments; the pulpal changes are discussed and microphotographs are presented.
The views expressed in this article are those of the authors and do not necessarily represent the views of the Armed Forces Institute of Pathology and the Department of the Army.
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