JDR -- Griffin et al. 86 (5): 410 Figure 2

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Figure 2. Absolute reduction in root caries increment 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.

${square}$ Community water fluoridation.

${circ}$ Self-applied fluoride.

${diamond}$ Combination of self-applied and professionally applied fluoride.