Detection of dental tissues using fiberoptic sensor

Our goal was to determine the fluorescence aided characterization of teeth. The incisors of 6 farmer pigs were opened with a round bur to expose the pulp. A Helium-Cadmium laser at a wavelength of 442 nm and operating at 17 mW was used as the excitation source. The light was guided through a 400 micrometers core diameter fiber which was used not only for delivery, but for the collection of tissue fluorescence. A spectrometer and an optical multichannel analyzer were used to detect and record the fluorescence signal.