Dental At 12 year age, 2nd mandibular molar will have? A Crown complete with 1/3rd root, open apex B Crown complete with 3/4th root,, open apex C 3/4th crown completed D Crown complete with 1/4th root, open apex 💡 Explanation At 12 year age, 2nd mandibular molar will have? ✓ Correct Answer: B. Crown complete with 3/4th root,, open apex