Assertion: toothpaste's fluoride | /r/AtLocation | toothpaste
Facets:
value: in the 1890s
type: TEMPORAL
value: in an effort
type: TEMPORAL
Source sentences:
text: Fluoride is the most popular active ingredient added to toothpaste.
text: Fluoride is added to toothpaste in an effort to remineralize teeth that have been demineralized by the bacterial plaque.
text: Fluoride was first added to toothpastes in the 1890s.