This mineral can be protective f the teeth when introduced into the water supply; however it can cause tooth mottling when consumed in high quantities.

Question

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Fluoride is known to have protective effects for teeth when introduced into the water supply in small amounts. However, if consumed in high quantities, it can cause tooth mottling, a condition that causes white or brown spots on the teeth. Copper, iron, and selenium do not have these effects on teeth.

This Mineral Can Be Protective F the Teeth When Introduced