Assertion: electric toothbrush's head | /r/CapableOf | clean one tooth
Facets:
value: effectively
type: MANNER
value: at a time
type: TEMPORAL
Source sentences:
text: These smaller heads are usually intended to be used to clean one tooth at a time, as opposed to brushing multiple teeth simultaneously (like you do with a regular toothbrush).
text: The reviewer's conclusion is that the head is a little too large to effectively clean all her teeth.
text: And compared to Oral-B’s small circular brush heads, Sonicare’s long rectangular heads made it easier to clean the front of teeth but more difficult to clean the back of them.