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': 'Questionable tooth is removed before radiotherapy to avoid all except: \nSelect and explain. \nA. Radiation pulpitis, B. Radiation caries, C. Osteoradionecrosis, D. None', 'role': 'user'}, {'content': 'Answer: D \nExplanation: -Tooth in the line of fire :\xa0 (Radiotherapy)\n-Radiation Beam\n-Tooth Remove Prophylactically\xa0\xa0\xa0 (i) to avoid Radiation Pulpitis\n\xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0(ii) Radiation caries\n\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0 \xa0 \xa0 \xa0 \xa0(iii) Osteoradionecrosis', 'role': 'assistant'}]