CDC studies show that widespread water fluoridation prevents cavities and saves money. Economic analysis found that every $1 invested in fluoridation yields nearly a $38 savings in dental costs. Fluoridation protects teeth when delivered through the water supply to children during the tooth forming years and for all ages throughout life. Comments on this video are allowed in accordance with our comment policy: http://www.cdc.gov/SocialMedia/Tools/CommentPolicy.html This video can also be viewed at http://www.cdc.gov/cdctv/