Figure 1. Absolute reduction in coronal caries increment that was attributed to fluoride exposure. *Indicates study published during or after 1980.
a Values to the right of the no effect line (difference in caries increment is positive) indicate fluoride effective, and values to the left (negative difference) indicate fluoride ineffective.
Community water fluoridation.
Self-applied fluoride.
Combination of self-applied and professionally applied fluoride.
Professionally applied fluoride.