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While 80% of tooth decay lesions occurs on the occlusal surface of the tooth, a considerable percentage of these lesions go undetected using conventional procedures and instruments. Conventional methods of diagnosing dental decay, such as use of the dental explorer or bite-wing radiographs, are often ineffective in detecting enamel defects, as they may be too small or inaccessible to the diagnostic tool.

The DIAGNOdent pen is a hand-held laser caries detection aid that provides the same high detection accuracy as the DIAGNOdent. Sub-surface caries lesions can be extremely difficult to detect using an explorer.

The DIAGNOdent hand-held caries detection operates at a wavelength of 655 nm. At this specific wavelength, clean healthy tooth structure exhibits little or no fluorescence, resulting in very low scale readings on the display. However, carious tooth structure will exhibit fluorescence, proportionate to the degree of caries, resulting in elevated scale readings on the display of the DIAGNOdent, enabling the practitioner to provide a more accurate dental caries treatment plan.


An audio signal 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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