A dental disease characterised by mottling of teeth is due to the presence of a certain chemical elements in drinking water. Which of the following is that element?

Fluorine

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Boron

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Mercury

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Chlorine

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Solution

The correct option is A Fluorine
Excess fluoride in drinking water causes teeth deformity.

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A dental disease characterised by mottling of teeth is due to the presence of a certain chemical elements in drinking water. Which of the following is that element?

The correct option is A FluorineExcess fluoride in drinking water causes teeth deformity.

The correct option is A Fluorine
Excess fluoride in drinking water causes teeth deformity.