<prompt> Dose of tetracycline which coloration as well as hypoplasia of enamel:5 mgkg body weight15 mgkg body weight20 mgkg body weight50 mgkg body weight  <response>: Many clinical studies revealed that average dose consumption of 20-35 mgkg body weight day during tooth formation results in -discoloration. Doses 35 mgkg day results in both discoloration and hypoplasia of enamel. 