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
Eruption of Maxillary Central incisor occur at 
Select and explain. 
A. 7-8 years, B. 10-11 years, C. 19-20 years, D. 15-16 years
A: 7-8 years
Answer: A: 7-8 years 
Explanation: None