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Tooth Loss and Helicobacter pylori Seropositivity: the Newcastle Thousand Families Cohort Study at Age 49–51 Years

Background.  Helicobacter pylori, one of the commonest chronic bacterial infections of humankind, is an important risk factor for gastric carcinoma. It has also been suggested to be present in dental plaque. This study investigated the potential link between the number of teeth lost and H. pylori seropositivity at age 50 years.