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Maxillary Tuberosity (Tuberosity of Maxilla)

A protrusion of bone known as the maxillary tuberosity is the most posterior portion of the maxillary alveolar process.

Maxillary Tuberosity

Maxillary Tuberosity

  • A notch called the hamular notch distinguishes the maxillary tuberosity of each maxilla from the neighboring pterygoid process of the sphenoid bone.
  • On its lateral side, maxillary tuberosity is irregular for attaching with
    • The pyramidal process of the palatine bone.
    • The lateral pterygoid plate of the sphenoid occasionally.
  • A few fibers of the pterygoideus internus get their origin from maxillary tuberosity.
  • Directly superior to this is a smooth surface, which creates the anterior margin of the pterygopalatine fossa.

It has a groove, for the maxillary nerve, which is is directed laterally and a little superiorly and is constant on the orbital surface, with the infraorbital groove.

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