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Detailed "How-to-use"-video
Super-short "How-to-use"-video
Video showing bristle movements on teeth of upper+lower jaw while biting
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About the tailored 3D-Toothbrush 3.0
Journalist Erin Lawrence tested the version 3.0 from August/2018
How it works
The video that started the toothbrush revolution in 2013
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