Colgate Unveils A Smart Toothbrush That Glows Blue When It Detects Plaque
Colgate's Plaqless Pro toothbrush will be showcase this week at CES in Las Vegas
It glows blue when plaque is detected and then turns white when cleared
An embedded sensor detects the presence of plaque for every single tooth
The app also synchronises with a smartphone via Bluetooth to produce a dental map of brushed and unbrushed teeth
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