Assertion: fluoride | /r/HasProperty | lowered the rate of caries
Facets:
value: dramatically
type: MANNER
value: in the united states
type: LOCATION
Source sentences:
text: Although fluoride in water and toothpaste has dramatically lowered the rate of caries in the United States, the effectiveness of fluoride from those sources in terms of preventing caries is said to be largely limited to interproximal tooth surfaces.