Dental tartar,plaque and gum disease

Bildnummer 11701272
Dental tartar,plaque and gum disease
Dental tartar,plaque and gum disease. Close-up of the teeth of a patient with dental plaque and tartar,that has caused gum disease (gingivitis). Plaque consists of a film of bacteria embedded in a glycoprotein matrix. The matrix is formed from bacterial secretions and saliva. Plaque is the main cause of tooth decay. The bacteria feed on sugars in food,producing acid as a waste product. This acid corrodes the teeth's enamel coating,resulting in dental caries. A build-up of dental plaque can also lead to inflamed and infected gums (as here). Tartar,or calculus,is a form of hardened dental plaque produced by the continual accumulation of salivary minerals on existing plaque
Lizenzart: Lizenzpflichtig
Credit: Science Photo Library / CNRI
Bildgröße: 5256 px × 3508 px
Modell-Rechte: nicht erforderlich
Eigentums-Rechte: nicht erforderlich
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