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Gingival sulcus, also known as gingival crevice, refers to the space between the tooth surface and the sulcular epithelium. At the free gingival margin, the sulcular epithelium is continuous with the gingival epithelium. Both the attached gingivae and the free gingivae are included as part of the gingival epithelium.
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.
Leukocytes and neutrophils are the main cells that phagocytose bacteria found in the gingival crevice or pocket. They migrate from the tissues in a specialized exudate called gingival crevicular fluid also known as GCF. Neutrophils are recruited to the gingival crevice area as they are signalled to by molecules released by plaque microorganisms.
The gingival crevice area (supporting structures of the teeth) provides a habitat for a variety of anaerobic species. Bacteroides and spirochetes colonize the mouth around puberty. [ 7 ] Of particular interest is the role of oral microorganisms in the two major dental diseases: dental caries and periodontal disease .
The gingival sulcus (G) is a small crevice that lies between the enamel of the tooth crown and the sulcular epithelium. At the base of this crevice lies the junctional epithelium, which adheres via hemidesmosomes to the surface of the tooth, and from the base of the crevice to the height of the alveolar bone (C) is approximately 2 mm.
Gingival The direction toward the gingiva (gums), synonymous with cervical and similar to apical. However, locations on teeth already more apical to the interface of the crown and root, referred to as the CEJ , tend not to be described using this term, as it would lead to confusion, as the exact definition is ambiguous.
The gingival cavity microecosystem, fueled by food residues and saliva, can support the growth of many microorganisms, of which some can be injurious to health. Improper or insufficient oral hygiene can thus lead to many gum and periodontal disorders, including gingivitis or periodontitis, which are major causes for tooth failure.
The most common gingival disease is gingivitis, the earliest stage of gingival-related diseases. Gingival disease encompasses all the conditions that surround the gums, this includes plaque-induced gingivitis, non-dental biofilm plaque-induced gingivitis, and periodontal diseases .