Dental scalers and curettes having improved cutting blade and sh

Details Dental scalers and curettes having improved cutting blade and sh Dental scalers and curettes having improved cutting blade and sh

1990-01-26

1992-07-07

Swiatek, Robert P.

Dentistry

Apparatus

Hand manipulatable implement

433141, A61C 1700, A61C 300

Patent

active

051278332

ABSTRACT:
An improved dental scaler or curette wherein the cutting blade is spaced from the handle of the instrument by an arcuately formed shank portion which extends outwardly from the lower portion of the handle in a generally continuous arc to a relatively straight portion that extends transversely at an obtuse angel with respect to the plane of the arcuate shank and from which the cutting blade of the instrument extends at an acute angle with respect to the plane of the arcuate shank. In a further embodiment, the cutting blade includes a concave or generally V-shaped portion extending inwardly of the cutting edge thereof so as to form an elongated trough or trap in which material may be retained for removal during scaling or scraping of a tooth surface.

REFERENCES:
patent: D261932 (1981-11-01), Bussiere
patent: 1220933 (1917-03-01), Bates
patent: 1402525 (1922-01-01), Moseler
patent: 1497749 (1924-06-01), Diack
patent: 1586302 (1926-05-01), Funk
patent: 1605320 (1926-11-01), Bates
patent: 1605321 (1926-11-01), Bates
patent: 1605322 (1926-11-01), Bates
patent: 2002245 (1935-05-01), McDaniel
patent: 2366671 (1945-01-01), Montelius
patent: 2552134 (1951-05-01), Berliner
patent: 2674799 (1954-04-01), Fraser
patent: 3060582 (1962-10-01), Kopp
patent: 3645255 (1972-02-01), Robinson
patent: 3930173 (1975-12-01), Banko
patent: 4365957 (1982-12-01), Das
Suter Dental Catalog, Jan. 1981 p. 5.
Thompson Dental Catalog, May 1984 p. 5).

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