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US20080090203 Rotatable File Dental Treating Device  
A rotatable file dental treating device (1) driven by a motor (2) includes elements (3, 18) for determining a root-canal position instruction related to a tooth apex, elements (4) for stopping the...
US20070207440 Dental appliance wear indication  
The present disclosure includes method, system, apparatus, and indicator embodiments. For example, one system for monitoring orthodontic treatment includes an appliance for placement over one or...
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