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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 It might be outdated or ideologically biased.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 ?
Mini-D uses LED and fiber optic technologies to detect occlusal and proximal caries lesions.
Therefore, we aimed to investigate the influence of biological interdental spacing on the performance of different methods in detecting proximal caries lesions in the primary teeth.
Sealing distal proximal caries lesions in first primary molars: efficacy after 2.5 years.
The individuals had to be healthy and the bitewing radiographs that were taken had to show at least one proximal caries lesion, as well as a neighboring tooth and visible dental biofilm next to the lesion.
The relationship between alveolar bone loss and proximal caries in children: prevalence and microbiology.
Thus, the objective of the present study was to evaluate the therapeutic decision making of final-year dental students from universities in Rio Grande do Sul, when approaching radiographic images of proximal caries lesions in the deciduous and permanent dentitions.
When this occurs in the proximal area, carious lesions are often located just below the contact point.4 Proximal caries can progress silently and may take years to reach pulp.