| radiation caries | Caries of the cervical regions of the teeth, incisal edges, and cusp tips secondary to xerostomia induced by radiation therapy to the head and neck. (05 Mar 2000) |
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| recurrent caries | Caries recurring in an area due to inadequate removal of the initial decay, usually beneath a restoration or new decay at a site where caries has previously occurred. (05 Mar 2000) |
| cemental caries | <dentistry> Caries of the cementum of a tooth. (05 Mar 2000) |
| mesial caries | Caries on the tooth surface that is directed toward the median plane of the dental arch. (05 Mar 2000) |
| root caries | Dental caries involving the tooth root, cementum, or cervical area of the tooth. (12 Dec 1998) |
| root caries index | The ratio of the number of teeth with carious lesions of the root, and/or restorations of the root, to the number of teeth with exposed root surfaces. (05 Mar 2000) |
| pit and fissure caries | Caries initiated in the areas where developmental pits and fissures are located on the tooth surface. (05 Mar 2000) |
| colourimetric caries susceptibility test | A colourimetric test for determining dental caries activity or susceptibility based on the rate of acid production by acidogenic oral microorganisms (e.g., lactobacillus) in a glucose medium, using bromcresol green as the indicator, and producing a colour change from green to yellow. Synonym: colourimetric caries susceptibility test. (05 Mar 2000) |
| pit caries | A carious lesion, usually small, beginning in a pit on the labial, buccal, lingual, or occlusal surface of a tooth. (05 Mar 2000) |
| compound caries | Caries involving more than one surface of a tooth, two or more carious lesions joined to form one cavity. (05 Mar 2000) |
| primary caries | Initial lesions produced by direct extension from an external surface. (05 Mar 2000) |
| proximal caries | Caries occurring in the proximal surface, either distal or mesial, of a tooth. (05 Mar 2000) |
| secondary caries | Caries of enamel beginning at the dento-enamel junction due to a rapid lateral spread of decay from the original decay. (05 Mar 2000) |
| senile dental caries | Caries occurring in old age, usually interproximally and in the cementum. (05 Mar 2000) |
| smooth surface caries | Caries initiated on the smooth surfaces of teeth. (05 Mar 2000) |