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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Approach to Caldwell Luc operation is ?
assistant
The correct answer is  Ans. is'b'i.e., Sublabial sulcus[Rel Dhingra Sh/ep. 422)Caldwell-Luc operation is a process of opening the maxillary antrum through canine fossa by sublabial approach and dealing with the pathology inside the antrum.