ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,396,647, issued on Aug. 26.
"Spectrographic tooth evaluation system" was invented by Ali Danesh (San Diego).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system that uses a spectrometer to evaluate dental enamel, and determines incipient tooth decay before it occurs. The system includes a housing, having at least one button, and at least one feedback mechanism on the housing which provides feedback to a user indicative of tooth decay. There is both an emitting laser on the housing and also a tooth bristle to brush user's teeth. A receiver which receives a reemission from the user's teeth that is produced by the laser light emitting from the emitting l...