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In dental anatomy, the free gingival margin is the interface between the sulcular epithelium and the epithelium of the oral cavity.This interface exists at the most coronal point of the gingiva, otherwise known as the crest of the marginal gingiva.
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.
Abscesses of the periodontium are categorized as gingival abscess, periodontal abscess and pericoronal abscess. Combined periodontic-endodontic lesions may sometimes be abscesses, but these are considered in a separate category. A gingival abscess involves only the gingiva near the marginal gingiva or the interdental papilla.
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 interdental papilla, also known as the interdental gingiva, is the part of the gums (gingiva) that exists coronal to the free gingival margin on the mesial and distal surfaces of the teeth. The interdental papillae fill in the area between the teeth apical to their contact areas to prevent food impaction; they assume a conical shape for the ...
G) Gingival sulcus H) Principal gingival fibers I) Alveolar crest fibers of the periodontal ligament (PDL) J) Horizontal fibers of the PDL K) Oblique fibers of the PDL . 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.
Tobacco smoking impairs phagocytic and chemotactic activities of leukocytes [17] and impedes wound healing, [18] specifically by affecting gingival blood flow. [19] [20] Cigarette smokers are more likely to experience destruction of the alveolar bone and periodontal ligament and are at a higher risk of developing periodontal disease. [21] [22]
Stippling used to be thought to indicate health, but it has since been shown that smooth gingiva is not an indication of disease, unless it is smooth due to a loss of previously existing stippling. Stippling is a consequence of the microscopic elevations and depressions of the surface of the gingival tissue due to the connective tissue ...