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': 'Necrosis and degeneration in short time is seen with \nSelect and explain. \nA. Avulsion, B. Lateral Luxation, C. Intrusion, D. Extrusion', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Necrosis is seen in almost 100 % cases of the avulsion.\nRef:\xa0Cohen pathways of pulp, 11th edition', 'role': 'assistant'}]