Plaque-forming bacteria, SEM

Bildnummer 12658563
Plaque-forming bacteria, SEM
Plaque-forming bacteria, coloured scanning electron micrograph (SEM). Plaque consists of a film of bacteria embedded in a glycoprotein matrix. The matrix is formed from bacterial secretions and saliva. Plaque is the main cause of tooth decay. The bacteria feed on sugars in food, producing acid as a waste product. This acid corrodes the teeth's enamel coating, resulting in dental caries. A build-up of dental plaque can also lead to inflamed and infected gums. Severe gum disease can lead to teeth falling out. Magnification: x2000 when printed at 10 centimetres across
Lizenzart: Lizenzfrei
Credit: Science Photo Library / Gschmeissner, Steve
Modell-Rechte: nicht erforderlich
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