Caries Prevalence and Dental Fluorosis in German Children in Areas with Different Concentrations of Fluoride in Drinking Water Supplies

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Abstract
Caries prevalence and dental fluorosis were recorded in children 6-16 yr of age. Children born and grown up in an area with naturally fluoridated water (1-1.5 ppm F-) had a mean DMFS[decayed, missing, filled surface] score of 2.3 .+-. 0.3. Children who had consumed naturally fluoride water for the 2 yr prior to the study had a DMFS score of 5.6 .+-. 0.9. Children from the control area (0.1 ppm F-) had a DMFS score of 6.5 .+-. 0.5. Children living in the natural F area showed more moderate and severe fluorosis than children from the control group. There is some evidence indicating that additional ingestion of F- tablets caused a higher prevalence of fluorosis in the F area.