Dental plaque,SEM

Numéro d’image : 11752826
Dental plaque,SEM
Dental plaque,coloured scanning electron micrograph (SEM). Plaque consists of a film of bacteria (red) embedded in a glycoprotein matrix. One of the bacteria in this sample is Fusobacterium nucleatum. 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. Severe gum disease can lead to teeth falling out
Licence : Libre de droits
Crédit: Science Photo Library / Gschmeissner, Steve
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Property Release : Non requis
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