Method of transillumination imaging of teeth

Details Method of transillumination imaging of teeth Method of transillumination imaging of teeth

2000-11-24

2002-01-29

Lucchesi, Nicholas D. (Department: 3732)

Dentistry

Method or material for testing, treating, restoring, or...

C433S029000, C382S100000, C382S115000, C382S128000

Reexamination Certificate

active

06341957

ABSTRACT:

FIELD OF THE INVENTION
The field of the invention is the field of imaging of teeth in a mouth.
BACKGROUND OF THE INVENTION
The above identified US patent applications summarize the background of the art in great detail. In brief, the prior art to the above identified applications is deficient in that images of teeth taken with light transillumination were not reproducible. The above identified applications teach that the illumination source and imaging system must be held in a reproducible and repeatable position with respect to the tooth by anchoring the source and imaging system physically with respect to the tooth. Prior art sources of light for transillumination tend to produce extraneous light scattered into an imaging system if a broad area light is used as a light source, and tend to produce non-uniform illumination if a small area light source is used.
SUMMARY OF THE INVENTION
The present invention is a method, apparatus, and system for digital imaging of teeth through transillumination of teeth in a mouth. The invention comprises using an elastomeric locator which contacts both a proximal surface of a tooth and the gum holding the tooth. The elastomeric locator is physically connected both to a light source for illuminating the tooth and to imaging optics which conduct light (which has been transmitted from the light source and through the tooth ) to an image receiver such as a CCD array, a vidicon, a CMOS imaging array, photographic film, or other image receiving devices which may form an image of the tooth.


REFERENCES:
patent: 5440393 (1995-08-01), Wenz
patent: 5476095 (1995-12-01), Schnall et al.
patent: 5718666 (1998-02-01), Alarcon
patent: 5865621 (1999-02-01), Calderwood
patent: 6201880 (2001-03-01), Elbaum et al.

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