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The fluoride concentration for prevention of dental caries is ____________

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in Environmental Engineering by (81.4k points)
The fluoride concentration for prevention of dental caries is ____________

(a) 1mg/l

(b) 2mg/l

(c) 3mg/l

(d) 4mg/l

This question was posed to me during a job interview.

The above asked question is from Fluoridation and Defluoridation topic in division Miscellaneous Treatment Methods of Environmental Engineering

1 Answer

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Best answer
Right answer is (a) 1mg/l

Easiest explanation: Dental caries occurs in children. It can be prevented when the concentration of fluoride in water is between 0.7 to 1.2mg/l.

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