This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Forensic Medicine
Second molar erupts at : 
Select and explain. 
A. 6 years, B. 12 years, C. 18 to 22 years, D. 25 to 28 years
B: 12 years
Answer: B: 12 years 
Explanation: B i.e. 12 years