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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.
The gingival margin (F) is the most coronal point of the gingiva, depicted as the zenith of the pink hill in this diagram. To the left lies the sulcular epithelium within the gingival sulcus (G) , and to the right lies the oral epithelium (E) .
Free gingival autograft is one of the more common techniques used for a gingival recession in areas of inadequate attached gingiva in the mandibular anterior region. [10] Conversely, coronally repositioned flaps for the treatment of gingival recession will lead to decreased vestibular depth which may impact oral hygiene or denture retention. [9 ...
In theory, gingival fibers are the protectors against periodontitis, as once they are breached, they cannot be regenerated.When destroyed, the gingival sulcus (labelled G in the diagram) increases in depth apically, allowing more debris and bacteria to remain in intimate contact with the delicate sulcular and junctional epithelia for longer times.
The gingival tissue forms a crevice surrounding the tooth, similar to a miniature, fluid-filled moat, wherein food debris, endogenous and exogenous cells, and chemicals float. The depth of this crevice, known as a sulcus , is in a constant state of flux due to microbial invasion and subsequent immune response.
The tooth is attached to the surrounding gingival tissue and alveolar bone (C) by fibrous attachments. The gingival fibers (H) run from the cementum (B) into the gingiva immediately apical to the junctional epithelial attachment and the periodontal ligament fibers (I), (J) and (K) run from the cementum into the adjacent cortex of the alveolar bone.
The tissues of the periodontium combine to form an active, dynamic group of tissues. The alveolar bone (C) is surrounded for the most part by the subepithelial connective tissue of the gingiva, which in turn is covered by the various characteristic gingival epithelia.
In dental anatomy, the gingival sulcus is an area of potential space between a tooth and the surrounding gingival tissue and is lined by sulcular epithelium. The depth of the sulcus (Latin for groove ) is bounded by two entities: apically by the gingival fibers of the connective tissue attachment and coronally by the free gingival margin .