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The Dental Caries Detection System is from the Canadian diagnostic device company that reveals a new technology breakthrough which detects and monitors the onset of tooth decay without the need for dental x-rays. It encourages better oral health by reducing the number of invasive and painful procedures. It uses hand held lasers that send out a low-power light to examine tooth surfaces.
The Canary system measures the level of glow (luminescence) and heat released from the tooth when laser light is shone. It interacts differently with healthy teeth than with decayed teeth. A depth profile of the tooth can be created to permit detection of decay as deep as 5mm from the tooth surface and as small as 50 microns in size (20 times smaller than a millimeter) by varying the pulse of the laser beam. With this the dentist is able to identify areas of decay much earlier than with current methods. They are not as sensitive in detecting early decay in areas like enamel surfaces, root surfaces, biting surfaces, between teeth, and around existing fillings.
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