Name: Fluoride
Class:
Mechanism: Present in bones and teeth. Fluoridation of drinking water at 1 ppm ® ¯ dental caries by 30-40%. Hardens outer layers of tooth enamel. Makes enamel more resistant to demineralization.
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Special Features: Excess (> 10 ppm in water) ® fluorosis (mottling of teeth) due to excess accumulation in teeth and bones.