Dose of tetracycline which coloration as well as hypoplasia of enamel:: (A) 5 mg/kg body weight, (B) 15 mg/kg body weight, (C) 20 mg/kg body weight, (D) 50 mg/kg body weight
Answer is D. Many clinical studies revealed that average dose consumption of 20-35 mg/kg body weight / day during tooth formation results in -discoloration. Doses > 35 mg/kg/ day results in both discoloration and hypoplasia of enamel.