Here’s what your teeth look like up close and personal with a scanning electron microscope.
This is a calcium phosphate crystal, the stuff that makes up your tooth enamel.
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Here's some plaque forming bacteria, magnified 1000 times. It really likes to hang out on your teeth.
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See: here's the surface of a human tooth. Bacteria is coloured blue, red blood cells are red.
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When you let the bacteria stick around, plaque starts to form.
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