Infraorbital Foramen and Pterygopalatine Fossa Location in Dry Skulls: Anatomical Guidelines for Local Anesthesia

<div>(a) shows insertion of needle bent at a 45° angle through greater palatine foramen into greater palatine canal. (b) shows the needle tip (circle) as it projects out of the greater palatine canal into pterygopalatine fossa.</div>

Anatomy Research International

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Figure 2

Figure 2: Infraorbital Foramen and Pterygopalatine Fossa Location in Dry Skulls: Anatomical Guidelines for Local Anesthesia 