Coloured SEM of a cavity developing on tooth

Coloured SEM of a cavity developing on tooth

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Credit: EYE OF SCIENCE/SCIENCE PHOTO LIBRARY

Caption: Tooth decay. Coloured Scanning Electron Micrograph (SEM) of a hole (a cavity) in a tooth caused by tooth decay. The cavity is seen as a depression (at centre) encrusted with a brown-flaky substance known as plaque. The tooth surface is white. Plaque is a mixture of food particles and the naturally-occurring bacteria that inhabit the mouth. Bacteria feed on the sugars in the food, producing acid as a waste product. This acid corrodes the enamel covering each tooth, eventually causing a hole to develop to the tooth's sensitive interior. Cavities are prevented by good dental hygiene. Tooth decay is treated using fillings Magnification: x150 at 6x6cm size.

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Keywords: caries, cavity, condition, decay, dental, dental caries, dental cavity, dental decay, dentistry, disorder, healthcare, images, magnified image, medical, medicine, microscopic photos, odontology, oral, oral hygiene, plaque, sem, subjects, tooth, tooth decay

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