50.9 MB (2.8 MB compressed)
4855 x 3661 pixels
41.1 x 31.0 cm ⏐ 16.2 x 12.2 in (300dpi)
STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Plaque-forming bacteria, coloured scanning electron micrograph (SEM). Dental plaque is a biofilm of bacteria that forms on teeth. It can lead to tooth decay if not removed by regular brushing. Magnification: x4000 when printed at 10 centimetres across.
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