Latent fluorides: report of case.

This case report examines the effects of a long-term exposure to fluoride on the teeth of two children who started to drink a highly fluoridated mineral water when they were three years and four years of age, respectively. A clinical and SEM study was conducted to supply evidence of the harmful effect of fluoride ingestion at above optimal levels and to ask for an explicit labeling of drinks that contain more than 1 ppm/F.