 The DIAGNOdent measures laser fluorescence within tooth structure. As the incident laser light is propagated into the site, two-way hand piece optics allows the system to simultaneously quantify the reflected laser light energy. At the specific wavelength that the DIAGNOdent laser operates, clean healthy tooth structure exhibits little or no fluorescence, resulting in very low scale readings on the display. However, decayed tooth structure will exhibit fluorescence, proportionate to the degree of decay, resulting in elevated scale readings on the display of the DIAGNOdent. An audio signal allows us to hear changes in the scale values, so we can focus on you, not solely on the device.
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Leaders in the field of tooth-decay research agree: conventional methods of decay diagnosis alone are inadequate and outdated for modern dentistry. With the fluoridation of water and improved oral hygiene standards the nature of caries has changed. Harder and more resistant enamel can conceal aggressive sub-surface decay.