Approach to Caldwell Luc operation is ?: (A) Hard palate, (B) Sublabial sulcus, (C) Inferior metus, (D) Superior meatus
Answer is B. 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.