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An exception is noted in the maxillary arch where the palatal gingiva remains contiguous with the masticatory mucosa on the hard palate.

(Photo: maxilla—palatal aspect)
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Masticatory Mucosa

The attached gingiva and hard palate are covered by masticatory mucosa. These tissues are parakeratinized or keratinized to withstand the forces of mastication.

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The Palate

The transverse ridges, located at the anterior portion of the hard palate, are known as the rugae. A bulge of tissue at the midline, lingual to the central incisors, is the incisive papilla.

(Photo: normal hard palate)

Download the Smiles for Tomorrow Normal Oral Structures PowerPoint Presentation.
(24 Slides)