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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.
A) Crown of the tooth, covered by enamel B) Root of the tooth, covered by cementum C) Alveolar bone D) Subepithelial connective tissue E) Oral epithelium F) Free gingival margin G) Gingival sulcus (extensions of which are the gingival and periodontal pockets) H) Principal gingival fibers I) Alveolar crest fibers of the periodontal ligament (PDL)
The advanced lesion is no longer localized to the area around the gingival sulcus but spreads apically as well as laterally around a tooth and perhaps even deep into the gum tissue papilla. There is a dense infiltrate of plasma cells, other lymphocytes and macrophages. The clusters of perivascular plasma cells still appears from the established ...
Like the original tooth, a root analogue implant can have single- and multi-rooted forms. Esthetic: a ceramic RAI closely resembles a natural tooth in colour. Thus there is no discolouration through the gums, as is commonly seen with titanium implants. No drilling or surgery, or bone augmentation, is necessary. The patient never needs a sinus lift.
Periodontal disease; Other names: Gum disease, pyorrhea, periodontitis: Radiograph showing bone loss between the two roots of a tooth (black region). The spongy bone has receded due to infection under tooth, reducing the bony support for the tooth.
Gingival recession, also known as gum recession and receding gums, is the exposure in the roots of the teeth caused by a loss of gum tissue and/or retraction of the gingival margin from the crown of the teeth. [1] Gum recession is a common problem in adults over the age of 40, but it may also occur starting in adolescence, or around the age of 10.
Movement of teeth is determined by two factors: deposition of bone on the tension side and resorption of the bone on the compression side of the periodontal ligament (PDL). During this movement, bone remodelling is initiated by the PDL in which forces are transmitted from the tooth to the alveolar bone. Fibroblasts of the PDL will react to ...
The bone destruction patterns that occur as a result of periodontal disease generally take on characteristic forms. This X-ray film displays a horizontal defect . This X-ray film displays two lone-standing mandibular teeth, #21 and #22: the lower left first premolar and canine, exhibiting severe bone loss of 30-50%.