Coloured SEM of dental plaque

Coloured SEM of dental plaque

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Credit: STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY

Caption: Tooth plaque. Coloured scanning electron micrograph (SEM) of dental plaque. Plaque, the main cause of tooth decay, consists of saliva, bacteria and food debris. Both individual cocci (spherical bacteria, light brown) and filamentous bacterial colonies (darker brown) can be seen. Cocci bacteria like Streptococcus feed on the sugars in the food particles and produce acid as a waste product. This acid corrodes the enamel coating of each tooth, resulting in tooth decay (dental caries). Magnification unknown.

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Keywords: bacteria, caries, cause of, condition, decay, dental, dental caries, dental plaque, dentistry, disorder, filamentous, filamentous bacteria, healthcare, medical, medicine, odontology, oral, plaque, sem, tooth decay

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