abstract:In human musculoskeletal anatomy of the head and neck, lateral to the incisive fossa is a depression called the canine fossa. It is larger and deeper than the comparable incisive fossa, and is separated from it by a vertical ridge, the canine eminence, corresponding to the socket of the canine tooth; the canine fossa gives origin to the Caninus.
Methods To puncturefrom inferior nasalmeatus and caninefossa with a nasal endoscopicneedle, then, to cut away the pathological tissue of maxillarysinusunder the endoscopic observation.