Benefit for adults from water fluoridation

• Review of adult studies after 1980

• Any fluoride, whether self-applied, professionally applied or water fluoridation, or combination

• averted 0.29 (95%CI: 0.16-0.42) carious coronal tooth surfaces per year

• and averted 0.22 (95%CI: 0.08-0.37) carious root surfaces per year.

• Total averted 0.51 carious surfaces /year

• Griffin SO, Regnier E, Griffin PM, Huntley V. Effectiveness of fluoride in preventing caries in adults. J Dent Res. 2007 May;86(5):410-5.