Laser Cavity Detection System
The
DIAGNOdent system measures tooth decay through the use of precise laser
light. As the incident laser light is flashed into tooth crevices, the
computer can actually differentiate between healthy and decayed tissue
based upon the color of light reflected back. At the specific wavelength
that the DIAGNOdent laser operates, clean healthy tooth structure exhibits
little or no color, resulting in very low scale readings on the display.
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However,
decaying tooth structure will exhibit fluorescence, proportionate
to the degree of decay, resulting in elevated scale readings on the
display. Altered tooth substances and bacteria react when they are
exposed to a specific wavelength of light, allowing for precise detection
of cavities.
The DIAGNOdent is also equiped with an audio signal which allows the
operator to hear changes in the scale values. This enables the focus
to be on the patient, not solely on the device.
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