Xeroradiographic intraoral dental system

Details Xeroradiographic intraoral dental system Xeroradiographic intraoral dental system

G - Physics

03

G

314/32

G03G 13/22 (2006.01) G03G 15/00 (2006.01) G03G 15/22 (2006.01) G03G 15/26 (2006.01)

Patent

CA 1159885

-1- ABSTRACT OF THE DISCLOSURE An x-ray imaging system for intraoral dental radiography. The imaging process is based on xeroradiographic principles, the surface of a small photoconductive plate being electrically charged. After insertion into a carrier, to form a light-tight cassette, the photoconductive plate is placed in a patient's mouth and x-ray exposed. The cassette, and the resultant electrostatic charge image therein, is inserted into the system processor, the photoconductive plate removed and transported to a developer station wherein the image is developed using liquid toner. The toner image is then dried and transferred from the photoconductive plate by using a transparent adhesive material and fixed to a white plastic substrate, forming an image carrier wherein the image can be viewed in reflectance or transmittance. After cleaning, the photoconductive plate is available for reuse. The developed xeroradiographic images are exposed and processed sequentially, processing time being approximately 20 seconds, the developed images having the characteristics of edge enhancement and deletion, the xeroradiographic images therefor having advantages over film images.

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