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
The radiograph of a traumatized tooth is necessary to: 
Select and explain. 
A. Assess the stage of root development, B. Determine the presence/absence of root fracture, C. Have a base from which comparison can be made with future radiographs, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: None