Dentistry – Apparatus – Tool bit
Patent
1981-04-27
1983-06-21
Peshock, Robert
Dentistry
Apparatus
Tool bit
A61C 302
Patent
active
043891926
ABSTRACT:
A dental tool for reducing tooth structure includes a shaft adaptable to be carried by rotating means at one end thereof and a shank extending axially from the other end of the shaft. In one group of embodiments thereof, the shank has a plurality of non-intersecting grooves forming a plurality of reducing elements spaced along the length of the shank. Each of the grooves in axial cross-section of the shank has a rounded bottom wall while the reducing elements may have one of various configurations. In another group of embodiments thereof, the shank is helically grooved to define a reducing element with the crest thereof centered on the shank axis.
REFERENCES:
patent: 3510990 (1970-05-01), Steindler
patent: 4178689 (1979-12-01), Nash
Malina Bernard
Peshock Robert
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