D.M.F.T fluoridated and non-fluoridated water

Comparison of mean decayed, missing, and filled teeth (D.M.F.T) of Year 8/Form 2 children nationwide, with fluoridated and non-fluoridated water supplies, from 2000 to 2011. Data from Ministry of Health. Thanks to Andrew Sparrow for creating this graph.

Source:
http://www.health.govt.nz/nz-health-statistics/health-statistics-and-data-sets/oral-health-data-and-stats/age-5-and-year-8-oral-health-data-school-dental-services