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The inflammation pathway of periodontitis is such that as the infection grows, bacteria, including P. gingivalis are targeted by neutrophils and natural killer immune cells. These cells phagocytize the bacteria, while simultaneously cytokine molecules in the area lead to a proinflammatory
Tannerella forsythia is an anaerobic, Gram-negative bacterial species of the Bacteroidota phylum. It has been implicated in periodontal diseases and is a member of the red complex of periodontal pathogens. [1]
Periodontitis is very common, and is widely regarded as the second most common dental disease worldwide, after dental decay, and in the United States has a prevalence of 30–50% of the population, but only about 10% have severe forms. Chronic periodontitis affects about 750 million people or about 10.8% of the world population as of 2010. [86]
Periodontal pathogens are bacteria that have been shown to significantly contribute to periodontitis. Dental plaque, the precursor of periodontal disease, is a complex biofilm consisting mainly of bacteria, but also archaea, protozoa, fungi and viruses. Viruses that specifically infect bacteria—bacteriophages—are most common in the oral ...
During this time, the signs and symptoms of periodontal diseases were firmly established. [15] Rather than a single disease entity, periodontal disease is a combination of multiple disease processes that share a common clinical manifestation. The cause includes both local and systemic factors.
Periodontal disease is a type of gum disease caused by the accumulation of plaque on the teeth due to poor oral hygiene. Plaque is a sticky substance that contains bacteria which can harden into a substance called calculus , irritating the gums.
S. mutans is naturally present in the human oral microbiota, along with at least 25 other species of oral streptococci. The taxonomy of these bacteria remains tentative. [ 6 ] Different areas of the oral cavity present different ecological niches, and each species has specific properties for colonizing different oral sites.
Fusobacterium nucleatum is a Gram-negative, anaerobic bacterium, commensal to the human oral cavity, that plays a role in periodontal disease.This organism is commonly recovered from different monocultured microbial and mixed infections in humans and animals.
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