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Maxillary molar


This periapical view of the maxillary molar region demonstrates the maxillary sinus and its inferior border.

The inferior border or "floor" of the maxillary sinus appears as a radiopaque line representing the denser bony cortex of the margin of the sinus.

Floor of Maxillary Sinus extends to the apex of the molars. Care must be taken especially during molar extraction.

The Zygomatic/ malar processes are the portion of the maxilla that protrude to meet the zygomatic bone, or cheekbone.

The maxillary tuberosity is the rounded bony eminence just posterior to the most distal molar, at the distal end of the maxillary alveolar ridge.

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