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
[{'content': 'The radiograph of a traumatized tooth is necessary to: \nSelect and explain. \nA. 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', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]