1.

Which one among the following elements/ions is essential in small quantities for development of healthy teeth but causes mottling of the teeth if consumed in higher quantities? (a) Fluoride (b) Iron (c) Chloride (d) Potassium 

Answer»

The correct option is: (a) Fluoride

Explanation:

Consumption of high concentration of fluoride causes mottling of teeth or fluorosis.



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