Dental-caries detector

Details Dental-caries detector Dental-caries detector

1978-06-08

1980-08-05

Cohen, Lee S.

Surgery

Truss

Pad

128776, 128787, 128803, 433 32, A61B 505

Patent

active

042156980

ABSTRACT:
A dental-caries detector for the determination of dental caries by measurement of the electrical conductivity or other electrical property of a tooth, which dental-caries detector comprises: an electrically conductive, caries-detector probe having a probe tip which is adapted to be placed on a wet, electrically conductive area of the tooth; a dry air mechanism for providing a surrounding curtain of drying air about the probe tip to provide a dry, electrically nonconductive area about the probe tip; and a shield surrounding the probe tip to seal the probe tip from the dry area.

REFERENCES:
patent: 2603753 (1952-07-01), Axelsson et al.
patent: 2949107 (1960-08-01), Ziegler
patent: 3035580 (1962-05-01), Guiorguiev
patent: 3078850 (1963-02-01), Schein et al.
patent: 3128759 (1964-04-01), Bellis
patent: 3753434 (1973-08-01), Pike et al.
patent: 3830220 (1974-08-01), Johnson
patent: 3901216 (1975-08-01), Felger
patent: 3916529 (1975-11-01), Mousseau
patent: 4048723 (1977-09-01), Thorup
Mumford et al., "Electronic Tooth Stimulator . . . ", Biomed Eng., vol. 11, No. 1, pp. 22-23, Jan. 1976.

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