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Teeth are moderately discoloured (blue, grey or amber opalescent). More attrition is evident with shortening of crown height. Crowns may appear bulbous with prominent constriction at the CEJ. Radiographically, the pulp is small or is totally obliterated. Roots appear thinner and shorter than average. There may be periapical pathology. [3]
In dentistry, a crown or a dental cap is a type of dental restoration that completely caps or encircles a tooth or dental implant. A crown may be needed when a large dental cavity threatens the health of a tooth. Some dentists will also finish root canal treatment by covering the exposed tooth with a crown.
Hyperbilirubinemia during the years of tooth formation may make bilirubin incorporate into the dental hard tissues, causing yellow-green or blue-green discoloration. [1] One such condition is hemolytic disease of the newborn (erythroblastosis fetalis). [12] Thalassemia and sickle cell anemia may be associated with blue, green or brown tooth ...
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Fracture of the metal coating or pontic can also lead to mechanical failures. Fracture in connectors of bridges at the gingival side is a common finding in most all-ceram bridges. [40] Biological failures: These can occur due to caries in the tooth (one of the commonest causes of crown and bridge failures [9]) or due to pulpal injury. Problems ...
Thus, a single hair cannot be white on the root side, and colored on the terminal side. Several genes appear to be responsible for the process of greying. Bcl2 and Bcl-w [7] were the first two discovered, then in 2016, the IRF4 (interferon regulatory factor 4) gene was announced after a study of 6,000 people living in five Latin American countries.
During her time on MTV’s The Surreal Life: Villa of Secrets, Macy Gray has been open about her experience taking Ozempic for weight loss.First, she detailed uncomfortable side effects, and ...
In dentistry, crown refers to the anatomical area of teeth, usually covered by enamel. The crown is usually visible in the mouth after developing below the gingiva and then erupting into place. If part of the tooth gets chipped or broken, a dentist can apply an artificial crown. Artificial crowns are used most commonly to entirely cover a ...