Plaque-forming bacteria, coloured scanning electron micrograph (SEM). Plaque consists of a film of bacteria embedded in a glycoprotein matrix. The mat
Plaque-forming bacteria, coloured scanning electron micrograph (SEM). 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. Severe gum disease can lead to teeth falling out. Magnification: x2000 when printed at 10 centimetres across
Size: 4550px × 3923px
Photo credit: © STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No
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