Occurrence of Helicobacter pylori in dental plaque and saliva of dyspeptic patients

摘要: BACKGROUND: Helicobacter pylori infection in the stomach is associated with gastric and duodenal ulcers, cancers lymphoma. The organism transmitted by ingestion, but oral-oral route fecal-oral are also suggested. prevalence of H. developing countries, including Brazil, higher than developed countries. PURPOSE: This study aimed to evaluate role oral cavity as a reservoir this species, evaluating occurrence supragingival dental plaque saliva Brazilian dyspeptic patients, whether harboring or not stomach. MATERIAL AND METHODS: Forty-nine patients reporting symptoms were subjected clinical examination collection samples prior endoscopic examination. detection was performed PCR using 16S rRNA primers. bacteria detected means rapid urease test. RESULTS: 20 49 subjects symptoms. only one sample, obtained from patient positive for test none salivary samples. CONCLUSION: Supragingival may be relevant reservoirs pylori.