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Treponema denticola

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Title: Treponema denticola  
Author: World Heritage Encyclopedia
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Subject: List of clinically important bacteria, Treponema, Noma (disease), Porphyromonas gingivalis, Oral microbiology, List of human flora, TD-1 RNA motif, TD-2 RNA motif
Publisher: World Heritage Encyclopedia

Treponema denticola

Treponema denticola
Scientific classification
Domain: Bacteria
Phylum: Spirochaetes
Order: Spirochaetales
Family: Spirochaetaceae
Genus: Treponema
Species: T. denticola

Treponema denticola is a Gram-negative, obligate anaerobic, motile and highly proteolytic spirochete bacterium. It dwells in a complex and diverse microbial community within the oral cavity and is highly specialized to survive in this environment. T. denticola is associated with the incidence and severity of human periodontal disease. Elevated T. denticola levels in the mouth is considered one of the main etiological agents of periodontitis. [1] T. denticola is related to the syphilis-causing obligate human pathogen, Treponema pallidum subsp. pallidum.

Periodontal disease

Periodontal disease is an infection and inflammation of the gingiva resulting in destruction of the surrounding tissues and alveolar bone. It occurs in 15% of adults at some time in their lives and can lead to bleeding on brushing, halitosis, tooth mobility and loss. Severe forms include aggressive periodontitis and necrotizing periodontitis which can cause rapid bone resorption and tooth loss along with ulceration of the gingiva and considerable pain. Treatment involves removal of plaque and calculus on the root surfaces by scaling and root planing using various periodontal curettes. If the periodontal disease does not resolve, given at least 8–12 weeks for healing, the area is retreated. Periodontal surgery to raise a flap and root plane the affected teeth may be undertaken along with antibiotic therapy (systemic or local).

See also


  1. ^ Jobin M-C et al. (2008). "Treponema denticola"The Molecular Biology of the Survival and Virulence of . Molecular Oral Microbiology. Caister Academic Press. ISBN 978-1-904455-24-0. 

Further Reading

Miller, D.P.; Frederick, J.R.; Sarkar, J.; Marconi, R.T. (24 Jul 2014). "The Treponema denticola AtcR LytTR domain-containing response regulator interacts with three architecturally distinct promoter elements: implications for understanding the molecular signaling mechanisms that drive the progression of periodontal disease". Molecular Oral MIcrobiology 29 (5): 219–232. doi:10.1111/omi.12059. Retrieved 6 Nov 2014. 

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