This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diagnostic and operative ENT, Subject name: ENT
[{'content': 'Most common complication of Caldwell-Luc operation is \nSelect and explain. \nA. Oroantral fistula, B. Orbital cellulitis, C. Hemorrhage, D. Infraorbital nerve palsy', 'role': 'user'}, {'content': 'Answer: D \nExplanation: M/C Complication of Caldwell-Luc operation is injury to infraorbital nerve which occurs is 21 % cases. Ref:- Scott Brown 7th edition; pg num:- 1494', 'role': 'assistant'}]