Assertion: electric toothbrush's advantage | /r/HasProperty | slight
Facets:
Source sentences:
text: Since then, there have been studies by the Cochrane organization which have found that electric toothbrushes do have a slight advantage.
text: With that in mind, electric toothbrushes may have a slight advantage over manual toothbrushes, but all of these would still depend on the preference of the user.