Tooth surface

Tooth surface

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Credit: THIERRY BERROD, MONA LISA PRODUCTION/ SCIENCE PHOTO LIBRARY

Caption: Tooth surface. Coloured scanning electron micrograph (SEM) of the surface of a human tooth (yellow) with spherical bacteria (blue). More than 300 species of bacteria inhabit the human mouth. They feed on the organic film of saliva and food debris that coats the teeth. They produce the enzyme lactate dehydrogenase, which converts sugars into lactic acid. This has a corrosive effect on the tooth enamel, causing tooth decay (dental caries). Magnification unknown.

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Keywords: bacteria, bacterial, coloured, condition, dental, dental caries, dentistry, disorder, enamel, healthcare, medical, medicine, odontology, oral, plaque, scanning electron micrograph, sem, teeth, tooth decay

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