Dentistry – Apparatus – Hand manipulatable implement
Patent
1990-01-26
1991-01-29
Weiss, John
Dentistry
Apparatus
Hand manipulatable implement
433144, 40913, A61C 300
Patent
active
049882953
ABSTRACT:
Dental instruments including metallic curettes and scalers are provided with one or more annular rings which are formed in the handle of such instruments with the number of annular rings and their positioning with respect to the end of the handle indicating the appropriate instrument for use in treating the anterior and posterior, upper and lower, left and right, lingual and buccal tooth surface areas and also which reflect which block of an instrument is for use on distal and mesial surfaces.
REFERENCES:
patent: 171106 (1875-12-01), Donaldson
patent: 1984839 (1934-12-01), Murray
patent: 3251150 (1966-05-01), Sedgwick et al.
patent: 4552531 (1985-11-01), Martin
patent: 4671916 (1987-06-01), Hamas
patent: 4882867 (1989-11-01), Linden
Catalog of Dixon Tool Co., Published in Newark, N.J., 1933.
Catalog of Suter, Published in 1-1-1981.
Textbook "Dental Instrument", 2-18-1983.
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