Method in the manufacture of tartar removing dental instruments
First Claim
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1. A method of manufacturing a tartar removing dental instrument, comprising the steps of:
- (a) selecting a profiled blank having a substantially constant triangular cross-section formed by three lateral faces, each of which are unground and having a first end;
(b) grinding the blank solely along one of the lateral faces to effect the removal of material, the grinding being practiced to increase the removal of material toward the first end of said one lateral face being ground; and
(c) continuing grinding to produce an instrument having a triangular cross-section tapering toward a tip formed at the first end, at least two of the three edges along the lateral faces of the instrument adjacent thereto being ground to form cutting edges.
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Abstract
A method in the manufacture of tartar removing dental instruments of the type comprising a longitudinal tool portion having a triangular cross-section tapering towards the tip, at least two of the three edges along the lateral faces of the tool portion being ground into cutting edges (5, 6). A profiled blank (1) of a substantially constant triangular cross-section is being ground along one of the lateral faces (2) with the removal of stuff (3) increasing towards the tip (4).
45 Citations
11 Claims
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1. A method of manufacturing a tartar removing dental instrument, comprising the steps of:
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(a) selecting a profiled blank having a substantially constant triangular cross-section formed by three lateral faces, each of which are unground and having a first end; (b) grinding the blank solely along one of the lateral faces to effect the removal of material, the grinding being practiced to increase the removal of material toward the first end of said one lateral face being ground; and (c) continuing grinding to produce an instrument having a triangular cross-section tapering toward a tip formed at the first end, at least two of the three edges along the lateral faces of the instrument adjacent thereto being ground to form cutting edges. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification