Coloured Sem Of Dental Plaque
by Steve Gschmeissner/science Photo Library
Title
Coloured Sem Of Dental Plaque
Artist
Steve Gschmeissner/science Photo Library
Medium
Photograph - Photograph
Description
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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October 7th, 2018
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