Approach to Caldwell Luc operation 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.
Hard palate
Sublabial sulcus
Inferior metus
Superior meatus