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In health, the soft tissue immediately around the teeth is keratinized and is referred to as keratinized tissue or gingiva. Alveolar mucosa is non keratinized oral epithelium and is located apical to the keratinized tissue, delineated by the mucogingival junction (MGJ). It should also be pointed out that mucosa can surround a tooth in health. [4]
Keratinized squamous epithelium is present in the gingiva and hard palate as well as areas of the dorsal surface of the tongue. [8] [9] Keratinization is the differentiation of keratinocytes in the stratum granulosum into nonvital surface cells or squames to form the stratum corneum.
Using the mucogingival junction as the boundary demarcating the apical border of the attached gingiva, a periodontal probe is inserted into the gingival sulcus to measure how much of the keratinized gingiva coronal to the mucogingival junction is in fact attached to the underlying bone. The depth of the gingival sulcus, determined by the depth ...
Non-keratinized squamous epithelium covers the soft palate, lips, cheeks and the floor of the mouth. Keratinized squamous epithelium is present in the gingiva and hard palate . [ 3 ] Keratinization is the differentiation of keratinocytes in the granular layer into dead surface cells to form the stratum corneum.
As explained by Arlene Asante, DMD, dentist and owner of First Class Smiles Bethesda, gingivitis is, "a common and mild form of gum disease that causes irritation, redness, and swelling of the ...
Thus, the JE does not mature like keratinized tissue, such as the marginal gingiva or attached gingiva, which fills its matured superficial cells with keratin. Nor does JE mature on a lesser level like nonkeratinized tissue of the sulcular gingiva and throughout the rest of the oral cavity, which enlarges its cells as they mature and migrate ...
The marginal gingiva has a more translucent appearance than the attached gingiva, yet has a similar clinical appearance, including pinkness, dullness, and firmness. In contrast, the marginal gingiva lacks the presence of stippling, and the tissue is mobile or free from the underlying tooth surface, as can be demonstrated with a periodontal probe.
Major aphthous ulceration usually affects non-keratinized mucosal surfaces, but less commonly keratinized mucosa may also be involved, such as the dorsum (top surface) of the tongue or the gingiva (gums). [9] The soft palate or the fauces (back of the throat) may also be involved, [9] the latter being part of the oropharynx rather than the oral ...