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  • Title: Oral carriage of Helicobacter pylori: a review.
    Author: Madinier IM, Fosse TM, Monteil RA.
    Journal: J Periodontol; 1997 Jan; 68(1):2-6. PubMed ID: 9029444.
    Abstract:
    Helicobacter pylori is a microaerophilic, motile bacterium, especially adapted to life in the human stomach. The presence of H. pylori in the stomach is strongly associated with chronic gastritis and ulcer disease and is a risk factor for gastric cancers. The microorganism may be transmitted orally and has been detected in dental plaque, saliva, and feces, but the hypothesis that oral microflora may be a permanent reservoir of H. pylori is still controversial. A review of the literature suggests that the recovery of H. pylori in the mouth is probably intermittent, associated with gastroesophageal reflux but not with specific oral disease. Nonetheless, the PCR identification of oral H. pylori may become helpful, particularly in cases of gastritis or ulcer relapse after antimicrobial therapy. Eradication of oral H. pylori by local medication or periodontal procedures would rely on the precise identification of its ecological niche. Within family groups, prophylactic methods should be practiced to avoid oral carriage of H. pylori. The risk of iatrogenic transmission during dental care, however, is already circumscribed by standard professional hygiene procedures.
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