Assertion: toothpaste's fluoride | /r/HasProperty | snf
Facets:
Source sentences:
text: Sodium fluoride (NaF) is the most common source of fluoride, but stannous fluoride (SnF 2 ), olaflur (an organic salt of fluoride), and sodium monofluorophosphate (Na 2 PO 3 F) are also used.