La plaque dentaire et les maladies de gencive. Close-up des dents d'un patient avec la plaque dentaire, après coloration, qui a causé la maladie des gencives (gingivite). La plaque dentaire

• Contributeur: Science Photo Library / Alamy Banque D'Images
• ID de l’image: 2AD0F1N
• Taille du fichier: 56,1 MB (2 MB Téléchargement compressé)
• Autorisations: Modèle - non | Propriété - non
• Dimensions: 5370 x 3652 px | 45,5 x 30,9 cm | 17,9 x 12,2 inches | 300dpi
• Date de la prise de vue: 13 février 2015
• Photographe: CNRI/SCIENCE PHOTO LIBRARY

Informations supplémentaires

Dental plaque and gum disease. Close-up of the teeth of a patient with dental plaque, after staining, that has caused gum disease (gingivitis). 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 (as here).

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