A dental disease characterised by mottling of teeth due to ingredient in drinking water, namely
A
Fluorine
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B
Chlorine
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C
Boron
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D
Mercury
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Solution
The correct option is A Fluorine
A. Fluorine.
Solution: The presence of an excess amount of Fluorine in the body causes fluorosis. Fluorine usually comes in contact with teeth through drinking water. Fluorosis is characterized by staining and pitting of the teeth.