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Dental plaque, SEM

Dental plaque, SEM

F001/1533

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Credit

STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY

Caption

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.

Release details

Model release not required. Property release not required.

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