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
Most common type of injury in the oro-facial region is: 
Select and explain. 
A. Laceration, B. Contusion., C. Abrasion., D. All of the above.
A: Laceration
Answer: A: Laceration 
Explanation: None