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': 'Principle of Bone dilatation under the principles of exodontia is primarily utilized by: \nSelect and explain. \nA. Forceps, B. Elevator, C. Any of the above, D. None', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Dilatation of Alveolus| Bony Socket\n\nExpansion of Bony Socket\nPrinciple of bone dilatation.\n1º utilized By : Forceps\nLess by elevators', 'role': 'assistant'}]