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: Surgery
[{'content': 'Period of immobilization indicated in a young adult patient with a fracture of the angle, receiving early treatment in which tooth is retained in fracture line: \nSelect and explain. \nA. 3 weeks., B. 4 weeks., C. 5 weeks, D. 6 weeks.', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Period of immobilization for fractures of tooth-bearing areas of mandible.\n\nYoung adult with fracture of the angle receiving early treatment in which tooth removed from fracture line= 3 weeks\nIf tooth retained in fracture line - 1 week is added. (3+1= 4 weeks)\nIf fracture occurs at the symphysis - 1 week is added. (4+1= 5 weeks)\nIf the patient age is 40 years and over - 1 or 2 weeks are added.\nIf fracture occurs in children and adolescents -Subtract 1 week.', 'role': 'assistant'}]