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progressive decay of a bone or a tooth



a pathological process involving the gradual destruction of bony tissue or teeth.

Caries of bony tissue is caused by degeneration or infection of bone or periosteum that results in necrosis of portions of bone followed by absorption or disengagement of the dead tissues and formation of a bone ulcer. Caries may also be accompanied by specific inflammatory processes (for example, tuberculosis or syphilis). The mechanism of development and clinical symptoms of caries vary with the cause, location of the focus, and so forth. In acute inflammations (for example, osteomyelitis), when a focus of suppuration arises in bone and sometimes spreads to the surrounding tissues, caries is manifested by systemic intoxication, and bone destruction progresses rapidly. In chronic and especially specific processes, caries develops slowly without severely pronounced symptoms. Treatment consists in medication (antibiotics, sulfanilamides) and specific treatment (anti-syphilitic, antituberculotic). Surgery is frequently effective.


Bone decay.
Tooth decay. Also known as dental caries.
References in periodicals archive ?
Recurrent caries are induced by marginal microleakage of the restoration; so improved marginal integrity and adaptation of the resin- cavity interface are essential for the prevention of such caries.
Of the 50 root canal samples, 31 (62%) teeth had recurrent caries, 39 (78%) had inadequate obturation, 35 (70%) had coronal leakage, and 33 (66%) had oral communication with the lesion.
Another survey19 which was also done in Pakistan showed that recurrent caries was present underneath previous restoration.
Sex status of involved tooth (root canal filling recurrent caries coronal leakage of restoration oral communication with lesion) presence of E.
Therefore, the novel antibacterial nano-structured restorations are especially needed and beneficial for seniors to combat biofilm growth, acid production and recurrent caries," Xu concluded.
6,12) Post-operative sensitivity, recurrent caries, injuries and pulp necrosis are also considered clinical signs of microleakage.
The presentation of the results in this study is highly confusing; 21 AM restorations were reportedly not evaluated at 24 months because of recurrent caries (n=7), fracture (n=7) or censored (exfoliated or failed to attend, n =7).
This technique is used to reduce recurrent caries in primary teeth by removing interproximal caries with abrasive discs.

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