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progressive decay of a bone or a tooth
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



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.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.


Bone decay.
Tooth decay. Also known as dental caries.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
However, in comparison to the WHO method, both variants are based on a detailed visual examination and record early signs of caries which include any opacities, discolouration, and micro-cavities.
The current study was planned to assess and compare the prevalence of dental caries using the WHO and the modified ICDAS methods.
In phase one, an oral examination of 1800 hundred school going children of age between 10-16 years were conducted to identify the presence of dental caries. In the second phase, a cross-sectional study using a validated, interviewer-administered questionnaire was carried out among the teachers in the same school from which children were selected for oral examination.
Subgroup 3 members advised the students about oral hygiene and dental caries including advice on prevention and treatment of dental caries especially to those who required treatment.
This paper presents the capabilities of Bayesian network model analysis in discovering risk factors of dental caries in three-year-old children.
Two vital microorganism strains in early childhood caries are streptococcus mutans and streptococcus sobrinus.
The most commonly used indices for recording of dental caries was DMFT index introduced by Klein, Palmer and Knutson (1938) modified by World Health Organization (WHO) in 1987 and 1997.
* It should be useful for all surfaces of the tooth including caries adjacent to restorations,
According to the literature available to the authors, there is no study comparing removal of cariogenic bacteria and carious dentin by measuring the temperature changes during caries ablation with different pulses of VSPt-based Er:YAG compared to FFC Er:YAG laser.
Linear and multiple regressions were performed to evaluate the predictability of caries risk.