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Year : 2002  |  Volume : 9  |  Issue : 2  |  Page : 27-36

Incidence of helicobacter pylori in dental plaque of Saudi gastritis

Dammam Central Hospital, Dammam, Saudi Arabia

Correspondence Address:
Abdel-Nasser M Al-Refai
P.O. Box 4103, Dammam 31491
Saudi Arabia
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Source of Support: None, Conflict of Interest: None

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Background: Helicobacter pylori (H. pylori) was identified in dental plaque, raising the possibility of future gastritis and peptic ulceration. Objective: This trial was to study the association between presence of H. pylori in dental plaque and in the stomachs of patients with gastritis; the effect of oral hygiene and periodontal condition on the stomach. Patients and Methods: Seventy-five Saudi adult dyspeptic patients, together with 60 healthy persons as control. Two samples of dental plaque were taken from gingival crevice of deepest pocket. One sample was kept in Christensen's urea agar and incubated for H. pylori detection by rapid urease test. The second sample was kept in 5% sheep blood agar , chocolate agar and a selective medium to culture the H. pylori.Gastric urease test was done for the same patients. Results: (1) Plaque urease test results showed 89% positive patients. (2) Dental plaque Index:- Mild dental plaque accumulation in 24%, moderate in 41%, while severe accumulation was in 35% of the patients. (3) Gingival Index: Showed mild, moderate and severe gingivitis in 17%, 48% and 35% of patients, respectively. (4) Community periodontal index of treatment needs ( CPITN ) : Showed gingivitis, mild periodontitis and moderate periodontitis in 50%, 23% and 27% of patients, respectively. (5)Gastric urease results: 87% of patients were positive. (6)All cultured samples results were negative. Conclusion: The ability to detect H. pylori in dental plaque samples offers a potential for a noninvasive test for gastric infection and would lend support for oral spread of H. pylori as the princi­pal mode of transmission. However, the presence of H. pylori in dental plaque and in the stomach (in gastritis patients) could permit not only a target for therapeutic procedures but also a monitor­ing tool for the efficacy of therapy.

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