Assertion: bottled water's fluoride | /r/CapableOf | help prevent tooth decay
Facets:
Source sentences:
text: In some areas, tap water may contain added fluoride, which helps prevent tooth decay and cavities.
text: Because all potentially harmful substances are removed from purified water, you also miss out on some of the potentially beneficial ones that are added to tap water supplies like fluoride, which helps to reduce tooth decay.
text: Fluoride helps prevent tooth decay.