Assertion: electric toothbrush's brush head | /r/CapableOf | rotate in one direction
Facets:
Source sentences:
text: Rotation oscillation, indicates a brush action in which the brush head rotates in one direction and then the other.
text: Circular, indicates a brush action in which the brush head rotates in one direction only.
text: Majority of the studies included adults, and over 50% of the studies used a type of powered toothbrush that had a rotation oscillation mode of action (where the brush head rotates in one direction and then the other).