Dental 1st evidence of calcification of Lower 2nd premolar is seen in A at birth B 16 wk IU C 1 year after birth D 2 ¼ - 2 ¾ years after birth 💡 Explanation 1st evidence of calcification of Lower 2nd premolar is seen in ✓ Correct Answer: D. 2 ¼ - 2 ¾ years after birth