Social & Preventive Medicine A child was exposed to excess fluoride in drinking water for a long time. What will be the earliest manifestation of fluorosis in this child? A ARDS B Delayed speech development C Mottled enamel D Osteoporosis 💡 Explanation A child was exposed to excess fluoride in drinking water for a long time. What will be the earliest manifestation of fluorosis in this child? ✓ Correct Answer: C. Mottled enamel