keyword: Side brush movement
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Artikelen waar dit trefwoord in voorkomt:
Electric brushing
https://ivorenkruis.org/en/artikelen/elektrisch-poetsen/
There are mainly two types of electric toothbrushes. The technique of the brushes differs. For example, the oscillating-rotating (spinning back and forth) and the sonic (sideways back and forth) technique are used. From research…