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: Dental
1st evidence of calcification of Maxillary Lateral incisor occurs 
Select and explain. 
A. 10-12 months, B. 16-17 months, C. 17-19 monhts, D. 15 months
A: 10-12 months
Answer: A: 10-12 months 
Explanation: None