The Healthy People 2020 evidence-based resources identified have been selected by subject matter experts at the U.S. Department of Health and Human Resources. Each of the selected evidence-based resources has been rated and classified according to a set of selection criteria based, in part, on publication status, publication type, and number of studies. This classification scheme does not necessarily consider all dimensions of quality, such as statistical significance, effect size (e.g., magnitude of effect), meaningfulness of effect, additional effect over control, and study design (e.g., sample size, power, internal validity, external validity, generalizability, potential biases, potential confounders).
Clinical Recommendations
The following clinical recommendations come from the US Preventive Services Task Force (USPSTF) 
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Prevention of Dental Caries in Preschool Children
The U.S. Preventive Services Task Force (USPSTF) recommends that primary care clinicians prescribe oral fluoride supplementation at currently recommended doses to preschool children older than 6 months of age whose primary water source is deficient in fluoride.
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Consumer Information
The following consumer resources are from the Quick Guide to Healthy Living at healthfinder.gov.
Take care of your child's teeth starting with the first tooth.
Take good care of your teeth now to help prevent problems as you grow older.
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