Assertion: toothpaste's effectiveness | /r/HasProperty | demonstrated
Facets:
Source sentences:
text: While the cavity-preventing effectiveness of fluoride has been demonstrated, too much fluoride not only can be dangerous, it can cause a condition known as fluorosis that discolors or spots developing teeth.
text: While the cavity-preventing effectiveness of fluoride has been demonstrated, too much fluoride not only can be dangerous, it can cause a condition known as fluorosis that discolors or spots developing teeth.