Assertion: bottled water's fluoride | /r/AtLocation | water
Facets:
value: to prevent tooth decay
type: PURPOSE
Source sentences:
text: Interestingly, while fluoride is added to water to supposedly prevent tooth decay, this concept is based on an incident that occurred in the early 1900s, which ironically, also reveals the dangers of excessive fluoride in water.
text: Fluoride is added to the water at 0.7 mg/L concentration for the prevention of tooth decay.