Infraorbital groove
The infraorbital groove is located in the middle of the posterior part of the orbital surface of the maxilla. Its function is to act as the passage of the infraorbital artery, the infraorbital vein, and the infraorbital nerve.
Structure
The infraorbital groove begins at the middle of the posterior border of the maxilla. This is near the upper edge of the infratemporal surface of the maxilla. It passes forward, and ends in a canal which subdivides into two branches.The infraorbital groove has an average length of 16.7 mm, with a small amount of variation between people. It is similar in men and women.