Tooth Decay, Sem
by Meckes/ottawa
Title
Tooth Decay, Sem
Artist
Meckes/ottawa
Medium
Photograph - Photograph
Description
Coloured scanning electron micrograph (SEM) of a decaying tooth. Holes, or cavities, can be seen developing in places (centre). Tooth decay occurs when there is a build up of plaque in the mouth. Plaque is the sticky substance made of food remains and naturally-occurring bacteria. Bacteria feed on the sugars in the food particles and produce acid as a waste product, which corrodes the enamel coating of each tooth. Eventually a cavity is produced, which exposes the pain receptors in the tooth's sensitive interior. Cavities are prevented by brushing and treated by fillings. Magnification x650 when printed 10 centimetres wide.
Uploaded
May 19th, 2021
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