Dentistry – Apparatus – Hand manipulatable implement
Patent
1990-02-23
1992-12-08
Wilson, John J.
Dentistry
Apparatus
Hand manipulatable implement
433144, A61C 1700
Patent
active
051693143
ABSTRACT:
A dental curet adapted to remove calculus from the root surface of a person's teeth. The curet has a handle portion, a terminal shank, and a working end. A subgingival shank portion and the working end are arranged so that a working end lengthwise dimension from a rear surface of the lower part of the subgingival shank portion horizontally to the forward end of the toe portion is no greater than about 4 millimeters. The front toe portion of the working end extends in an upward and forward slant.
REFERENCES:
patent: 879537 (1908-02-01), Gartrell
patent: 1220933 (1917-03-01), Bates
patent: 1446906 (1923-02-01), Kelsey
patent: 1844913 (1932-02-01), Hallowell
patent: 4643676 (1987-02-01), Jansheski
patent: 4759713 (1988-07-01), Heiss et al.
Gracey Periodontal Finishing Curettes, Hu-Friedy Mfg. Co. Inc., 1985.
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