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KMID : 0355220100350020101
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Journal of Korean Academy Oral Medicine
2010 Volume.35 No. 2 p.101 ~ p.110
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Relationship between the Oral Cavity and the Stomach of Helicobacter pylori
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Kang Seung-Woo
Ryu Ji-Won
Yoon Chang-Lyuk
Ahn Jong-Mo
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Abstract
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Helicobacter pylori(H. pylori) is bacterial infection, with more than half of the world population infected and oral cavity is considered second reservoir of H. pylori infection. The purpose of this study was to evaluate role of oral cavity in H. pylori infection by comparison of the mode H. pylori infection in oral cavity and stomach. We recruited 100 subjects without systemic disease including gastrointestinal disease. Samples in oral cavity taken on gingival sulcus fluid(GSF) of lower left central incisor and 1st molar, area of buccal mucosa, dorsum of the tongue, palatal and saliva. We analyzed by Nested polymerase chain reaction(PCR) for oral infection and Urea Breath Test(UBT) for gastric infection. The results were as follows : 1. Among these 100 subjects, 36(36%) were positive by Nested PCR and 33(33%) were positive by UBT(p＞0.05). 2. In detection rate of H. pylori in sites taken sample, 11(11%), 8(8%), 9(9%), 3(3%), 9(9%), 7(7%) were positive on GSF of lower left central incisor and 1st molar, area of buccal mucosa, dorsum of the tongue, palatal and saliva, respectively. Statical significance was observed in samples of GSF of lower left central incisor and area of dorsum of the tongue(p＜0.05). 3. In comparison of the mode of H. pylori infection in oral cavity and stomach by analytic method, positive in oral cavity and stomach was 10(10%), negative in oral cavity and positive in stomach was 23(23%), positive in oral cavity and negative in stomach was 26(26%) and negative in oral cavity and stomach was 41(41%)(p＞0.05). Conclusively, we can guess that oral H. pylori is not associated with gastric H. pylori infection and normal flora.
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KEYWORD
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Helicobacter pylori infection, Nested polymerase chain reaction(PCR), oral cavity, stomach, Urea Breath Test(UBT)
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