Streptococcus mutans bacteria on tooth

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Streptococcus mutans bacteria on tooth

Streptococcus mutans bacteria. Coloured scanning electron micrograph (SEM) of Streptococcus mutans bacteria adhering to the enamel of a tooth. At top is a typical chain of these Gram-positive, non- motile, spherical bacteria. Lower down (white) is dental enamel. Streptococcus mutans is a major cause of tooth decay and one of the principal bacteria that cause plaque formation on teeth. It produces dextran, the adhesive glucose which makes up plaque. Within plaque, bacteria produce large amounts of lactic acid, causing demineralization of the tooth enamel and dentine, resulting in caries (tooth decay). Magnification: x20, 000 at 6x7cm, x11, 000 at 35mm size. x63, 000 at 8x10ins

Science Photo Library features Science and Medical images including photos and illustrations

Media ID 6292455

© DR KARI LOUNATMAA/SCIENCE PHOTO LIBRARY

Bacteria Bacteria Causing Bacterial Bacteriology Bacterium Caries Dental Caries Infect Micro Organisms Microbe Microbes Streptococcus Tooth Decay Type Micro Biology

EDITORS COMMENTS
This print showcases the intricate world of Streptococcus mutans bacteria, as they cling to the enamel of a tooth. The image reveals a chain of these Gram-positive, non-motile, spherical bacteria at the top, while below lies the pristine white dental enamel. Streptococcus mutans is not just any ordinary bacterium; it plays a significant role in causing tooth decay and forming plaque on teeth. These cunning microbes produce dextran, an adhesive glucose that forms the basis of plaque. Within this sticky film, copious amounts of lactic acid are generated by these bacteria, leading to demineralization of both tooth enamel and dentine – ultimately resulting in dreaded caries or tooth decay. The magnified view provided by scanning electron microscopy allows us to appreciate the intricacy and complexity of this microscopic battle taking place within our mouths. At 20,000 times magnification for a 6x7cm print (or 11,000 times for a 35mm size), we can witness these tiny organisms wreaking havoc on our oral health. This extraordinary image serves as a reminder that even though they may be invisible to the naked eye, microorganisms like Streptococcus mutans have immense power when it comes to affecting our well-being. It highlights the importance of maintaining good oral hygiene practices and seeking professional dental care regularly in order to combat their harmful effects.

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