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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.
In dental anatomy, the gingival and periodontal pockets (also informally referred to as gum pockets [1]) are dental terms indicating the presence of an abnormal depth of the gingival sulcus near the point at which the gingival (gum) tissue contacts the tooth.
Gingival sulcus at neck of mammalian tooth Pollen grains of Cercis are sulcate, with reticulate surface. Rotating image of human brain, illustrating the lateral sulcus in the brain . In biological morphology and anatomy , a sulcus ( pl. : sulci ) is a furrow or fissure ( Latin fissura , pl. : fissurae ).
The oral epithelium (E) exists on the other side of the free gingival margin. In dental anatomy, the sulcular epithelium is that epithelium which lines the gingival sulcus. [1] It is apically bounded by the junctional epithelium and meets the epithelium of the oral cavity at the height of the free gingival margin.
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. The cementum overlaying the tooth root is attached to the adjacent cortical surface of the alveolar bone by the alveolar crest (I) , horizontal (J) and oblique (K ...
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 ...
In about half of individuals, it is demarcated from the adjacent, attached gums by a shallow linear depression, the free gingival groove. This slight depression on the outer surface of the gum does not correspond to the depth of the gingival sulcus but instead to the apical border of the junctional epithelium.
The junctional epithelium is a collar-like band that lies at the base of the gingival sulcus and surrounds the tooth; it demarcates the areas of separation between the free and attached gingiva. The junctional epithelium provides a specialized protective barrier to microorganisms residing around the gingival sulcus. [4]