At the bottom of the sulcus, there is a specific epithelial structure, junctional epithelium, which, on one hand, plays an active role in the defence. Kumar, in molecular medical microbiology second edition, 2015. Fixed dental prosthesis, gingival retraction, gingival sulcus, subgingival finish line, tooth preparation how to cite this article. Although the equine gingival sulcus has been assumed to have a depth of up to 5 mm under healthy conditions 11, no morphometric. Inside the gingival sulcus, the cementumcovered root surface and epithelia are available for microbial attachment. Gingival retraction using paste systems oral health group. The measurement of the state of oral hygiene by silnessloe plaque index is.
A 26yearold woman came to ag dental care clinic, south sulawesi, indonesia, in october 2015 with a chief complaint that her. Regarding the ability of the two optical coherence tomography. The sulcus is a unique space for chemotherapeutic treatment modalities because it is accessible topically, but the salient problem of overcoming gingival crevicular fluid flow tends to limit chemical contact in the gingival space. The gingival tissue forms a crevice surrounding the tooth, similar to a miniature, fluidfilled moat, wherein food debris, endogenous and exogenous cells, and chemicals float. The clay like material can be aided into the gingival sulcus by compression using cotton pellets or specially designed caps which are available from. Expasyl benefits from an excellent riskbenefit balance. Gingival sulcus through transudation of gingival crevice fluid. Pdf keratinized gingiva determines a homeostatic behavior of.
The depth of this crevice, known as a sulcus, is in a constant state of flux due to microbial invasion. The gingival sulcus is an area of potential space between a tooth and the surrounding gingival. The interface between a tooth and the surrounding gingival tissue is a dynamic structure. The gingival sulcus is an area of potential space between a tooth and the surrounding gingival tissue and is lined by sulcular epithelium. Comparative evaluation of three noninvasive gingival. All ops showed a gingival sulcus depth of less than 3 mm. The sulcus lining epithelium renews itself rapidly every 46 days compared to 612 days for oral epithelium. The journal of clinical dentistry perio protect for. The quality of opening is the same as this obtained with a cord. Abstract a longitudinal study was undertaken to examine the changes in the sulcus probing depth, keratinized and attached gingiva during the mixed dentition period. In this case, multiple hairs were found at the gingival sulcus in the labial, buccal, lingual and palatal tooth surfaces in an 11yearold boy.
It functions as a seal between teeth and gingival tissue, and includes protective defenses against diseasecausing bacteria. A healthy sulcular depth is three millimeters or less, which is readily self. Expasyl make a great impression effective and atraumatic gingival retraction paste. In more than 90% 1,2041,286, the depth was less than 1 mm incisors. Pdf gingival enlargement is one of the frequent features of gingival diseases. For clinical applicability in subjects with thin gingival biotype, care should be taken during extraction and immediate implant placement to prevent labial plate fracture. Several gingival indices have been proposed in literature, all of which have. The sulcus is bathed in crevicular fluid, which contains many of the elements of immunity antibodies. The depth of the sulcus latin for groove is bounded by two entities. Pdf in vivo assessment of periodontal structures and. Part of oral mucosa that covers the alveolar processes of the jaws and surrounds the necks of the teeth. Gingival sulcus is a specialized tissue within the human mouth that separates the tooth from the normal gingival tissue. Development of the gingival sulcus, australian dental. The gingival sulcus was measured from the gingival margin to the suspected bottom of the gingival sulcus a.
Gingival retraction is needed for adequate lateral displacement of gingiva, for adequate flow of low viscosity impression material into the sulcus and for accurate capturing of prepared finish line and a portion of apical uncut tooth structure 4,5. Clinical study keratinized gingiva determines a homeostatic. It was designed to be slowly injected with a special gun into the sulcus of the tooth creating a dry clear opening between the margin of the tooth preparation and the gingival tissue fig. Comparative study on the efficacy of gingival retraction. Read development of the gingival sulcus, australian dental journal on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. In addition, the gingival thickness and the gingival sulcus depth could be noninvasively measured, varying from 0. Article pdf available in international journal of dentistry 201110. Measuring its depth is a tool used by dentists to gauge oral health. Morphological changes in the attached and keratinized. Comparative evaluation of three noninvasive gingival displacement systems. A thin gingival biotype is found associated with a thin alveolar. Gcf basically contains local breakdown products such as tissues, in. The gingival index loe and silness, 1963 was created for the.
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