Used toothbrush bristle,SEM

Numéro d’image : 12961106
Used toothbrush bristle,SEM
Used toothbrush bristle. Coloured scanning electron micrograph (SEM) of a bristle from a used toothbrush. It is covered in dental plaque and epithelial cells. 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: x1000 when printed at 10 centimetres high.
Licence : Droits gérés
Crédit: Science Photo Library / Gschmeissner, Steve
Taille de l’image : 4572 px × 4195 px
Model Release : Non requis
Restrictions : -

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