Dental The lethal dose of fluoride for 70 kg adult is: A 32-64 mg of fluoride/kg body weight B 50-60 mg of fluoride/kg body weight C 30-70 mg of fluoride/kg body weight D 60-80 mg of fluoride/kg body weight 💡 Explanation The lethal dose of fluoride for 70 kg adult is: ✓ Correct Answer: A. 32-64 mg of fluoride/kg body weight