Question

The concentration of sodium fluoride amongst the following that may cause fluorosis is:

• A. 1 ppm
• B. 2 ppm
• C. 10 ppm
• D. Less than 0.25 ppm

Answer 1

Answer: (B), (C)

10 ppm
2 ppm

Fluorosis is a cosmetic condition that affects the teeth. It's caused by overexposure to fluoride during the first eight years of life. This is the time when most permanent teeth are being formed. When fluoride level concentration is above 1.5 ppm, it may cause Fluorosis.