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The stained teeth of a regular betel chewer in Burma. Extrinsic discolorations are common and have many different causes. [10] The same range of factors are capable of staining the surface of restorations (e.g., composite fillings, porcelain crowns). [10] Some extrinsic discolorations that are allowed to remain for a long time may become ...
Dental cavity, also known as tooth decay, [a] is the breakdown of teeth due to acids produced by bacteria. [6] The resulting cavities may be a number of different colors, from yellow to black. [ 1 ] Symptoms may include pain and difficulty eating.
Tooth condition indicates a person's general health. [2] Teeth should be clean with no decay, white with shiny enamel and smooth surfaces and edges. Adults should have a total of 32 teeth (16 teeth in each arch). By the age of 2 + 1 ⁄ 2, children have a total of 20 deciduous teeth (10 in each arch). Abnormal findings are missing, loose ...
Due to the role S. mutans plays in tooth decay, many attempts have been made to create a vaccine for the organism. So far, such vaccines have not been successful in humans. [13] Recently, proteins involved in the colonization of teeth by S. mutans have been shown to produce antibodies that inhibit the cariogenic process. [14]
Turner's hypoplasia or Turner's tooth is a presentation of enamel hypoplasia that normally affects only a single tooth. Its causes can be the same as other forms of enamel hypoplasia, but it is most commonly associated with trauma to a primary maxillary central incisor and the subsequent developmental disturbance of the underlying permanent ...
The two main classification systems are described below. Others include the tooth surface fluorosis index (Horowitz et al. 1984), which combines Deans index and the TF index; and the fluorosis risk index (Pendrys 1990), which is intended to define the time at which fluoride exposure occurs, and relates fluorosis risk with tooth development stage.
Swelling within the oral cavity or cheeks, along with a history of progressively worsening tooth pain and fevers, is usually enough evidence to support the diagnosis of a mouth infection. Depending on the severity of the infection, further tests may include x-rays and CT scans of the mouth to better characterize the location and extent of the ...
The mouth of a person with symptoms similar to those caused by long-term use of methamphetamine Meth mouth is a colloquial term used to describe severe tooth decay and tooth loss , as well as tooth fracture , acid erosion , and other oral problems that are often symptomatic to extended use of the drug methamphetamine .