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
In the age group of 7-12 years, most commonly involved teeth by dental trauma: 
Select and explain. 
A. Incisors, B. Canine, C. Premolar, D. Molars.
A: Incisors
Answer: A: Incisors 
Explanation: None