Device for the recognition of caries, plaque or bacterial infect

Details Device for the recognition of caries, plaque or bacterial infect Device for the recognition of caries, plaque or bacterial infect

1996-11-05

2000-02-15

O'Connor, Cary E.

Dentistry

Apparatus

Having means to emit radiation or facilitate viewing of the...

128665, A61C 100

Patent

active

06024562&

ABSTRACT:
A device for the recognition of caries, plaque or bacterial infection on teeth, which includes a light source for generating an excitation radiation which is to be directed onto a tooth to be investigated and producing an fluorescence radiation at the tooth. Also included is a detection device for detecting the fluorescence radiation of the tooth, and a spectral filter arranged in front of the detection device, wherein the wavelength of the excitation radiation emitted from the light source lies within the range of between 640 and 670 nm.

REFERENCES:
patent: 4479499 (1984-10-01), Alfano
patent: 4515476 (1985-05-01), Ingmar
patent: 5111821 (1992-05-01), Potter
patent: 5198871 (1993-03-01), Hill, Jr. et al.
patent: 5306144 (1994-04-01), Hibst et al.
patent: 5382163 (1995-01-01), Putnam
E. de Josselin de Jong et al. (1995) "New Method for in vivo Quantification of Changes in Initial Enamel Caries with Laser Fluorescence", Caries Res. 29:2-7.
S. Albin (1988) "Laser Induced Fluorescence of Dental Caries", SPIE 907:96-99.

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