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': 'In growth of bone from the margins of the defect with gradual resorption of the graft is an example for \nSelect and explain. \nA. Ontogenesis, B. Osteoconduction, C. Osteoinduction, D. Osteopromotion', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]