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: Pathology
[{'content': 'Common complication seen in a patient of osteopetrosis during extraction is: \nSelect and explain. \nA. Jaw fracture, B. Osteomyelitis, C. Both of the above, D. None', 'role': 'user'}, {'content': "Answer: C \nExplanation: Medullary spaces of jaws are remarkably reduced in both forms.\nOsteomyelitis and jaw fracture is common during tooth extraction.\n\nKey concept:\nOsteomyelitis of the mandible is common due to a deficient blood supply. Bones are fragile and can fracture easily.\xa0\nRef: Shafer's textbook of oral pathology 7th edition page 704", 'role': 'assistant'}]