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': 'After avulsion for how much duration will the cell of Periodontal Ligament survive \nSelect and explain. \nA. 15-20 mins, B. Less than 15 mins, C. 60 mins, D. 30-35 Mins', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ideal time is 15-20 minutes…Pdl survive for max. 60 min', 'role': 'assistant'}]