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The cause of cavities is acid from bacteria dissolving the hard tissues of the teeth (enamel, dentin and cementum). [4] The acid is produced by the bacteria when they break down food debris or sugar on the tooth surface. [4] Simple sugars in food are these bacteria's primary energy source and thus a diet high in simple sugar is a risk factor. [4]
Collagen is also abundant in corneas, blood vessels, the gut, intervertebral discs, and the dentin in teeth. [3] In muscle tissue, it serves as a major component of the endomysium. Collagen constitutes 1% to 2% of muscle tissue and accounts for 6% of the weight to skeletal muscle. [4] The fibroblast is the most common cell creating collagen in ...
This bacterium, along with the closely related species Streptococcus sobrinus, can cohabit the mouth: Both contribute to oral disease, and the expense of differentiating them in laboratory testing is often not clinically necessary. Therefore, for clinical purposes they are often considered together as a group, called the mutans streptococci. [4]
More than 800 species of bacteria colonize oral mucus, 1,300 species are found in the gingival crevice, and nearly 1,000 species comprise dental plaque. The mouth is a rich environment for hundreds of species of bacteria since saliva is mostly water and plenty of nutrients pass through the mouth each day.
Chickenpox: A type of viral infection which is caused by varicella zoster virus and presents in children. Numerous itchy blisters are found on the face and body. Blisters could also be found on inner cheek and palate of the mouth. [18] Herpes zoster/shingles: Viral infection caused by reactivation of latent varicella zoster virus and found in ...
Bacteria and fungi also produce exoenzymes to digest nutrients in their environment, and these organisms can be used to conduct laboratory assays to identify the presence and function of such exoenzymes. [2] Some pathogenic species also use exoenzymes as virulence factors to assist in the spread of these disease-causing microorganisms. [3]
Mouth infections are most commonly caused by an overgrowth of bacteria that normally populate the oral cavity. [1] In a healthy adult, billions of bacteria, viruses, and fungi reside within the oral cavity and represent more than 500 different species. They are collectively known as the oral microbiome.
Different types of bacteria are normally present in the mouth. These bacteria, as well as leukocytes, neutrophils, macrophages, and lymphocytes, are part of the normal oral cavity and contribute to the individual's health. [1] Approximately 80–90% of the weight of plaque is water.