Antibacterial toothpaste, SEM

Antibacterial toothpaste, SEM

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Credit: STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY

Caption: Antibacterial toothpaste, coloured scanning electron micrograph (SEM). The plant Sphagnum (flat blue material) is used in the production of some toothpastes because of its anti bacterial effect. Abrasives constitute at least 50% of a typical toothpaste. These include aluminum hydroxide, calcium hydrogen phosphates, silicas and zeolites. Hydroxyapatite nanocrystals and calcium phosphate are included in some formulations for remineralization. Magnification: x1300 when printed at 10 centimetres wide.

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Keywords: abrasive, aluminum hydroxide, antibacterial, calcium hydrogen phosphates, calcium phosphate., electron micrograph, em, hydroxyapatite nanocrystals, scanning electron micrograph, science, scientific micrograph, sem, silicas, sphagnum, technology, toothpaste, zeolites

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