Contains fluoride for cavity prevention and calcium for clean teeth. "The ADA Council on Scientific Affairs" Acceptance of Tom"s of Maine Natural Anticavity Fluoride Toothpaste is based on its finding that the product is effective in helping to prevent and reduce tooth decay, when used as directed." - Council on Scientific Affairs, American Dental Association Fluoride helps prevent cavitiesFluoride helps remineralize soft spots on teeth before they turn into full-fledge cavities and strengthens the tooth structure so enamel becomes more resistant to decay.Uses: Aids in the prevention of dental cavities.