Assertion: fluoride's level | /r/HasProperty | effective
Facets:
value: for preventing cavities
type: PURPOSE
Source sentences:
text: Fluoridated water contains fluoride at a level that is effective for preventing cavities; this can occur naturally or by adding fluoride.
text: Those who emphasize the public good emphasize the medical consensus that appropriate levels of water fluoridation are safe and effective to prevent cavities and see it as a public health intervention, replicating the benefits of naturally fluoridated water, which can free people from the misery and expense of tooth decay and toothache, with the greatest benefit accruing to those least able to help themselves.