New York , NY
Used Dental Floss Sem
Photograph - Photograph
Used dental floss. Colored scanning electron micrograph (SEM) of dental plaque on strands of used dental floss. 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: x525 when printed at 10 centimeters wide.
January 3rd, 2014
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