Assertion: electric toothbrush's counterpart | /r/HasProperty | manual
Facets:
Source sentences:
text: evidence showing that electric toothbrushes are more effective at reducing plaque and gingivitis than their manual counterparts.
text: Unlike their manual counterparts, these have vibrations and rotation mechanism that helps to remove plaque, stains and other particles.
text: You’ve heard the claim that electric toothbrushes are a better choice than their manual counterparts.