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目的 初步探讨口腔卫生情况与慢性胃炎的关系。方法 对半岛地区城乡 2 945名中老年人的口腔卫生状况进行检查并抽样测定软垢指数 (DI)、牙石指数 (CI)、菌斑指数 (PLI)、牙龈指数 (GI)和牙周病指数 (PDI) ,并通过聚合酶链反应 (PCR)检测菌斑中幽门螺杆菌 (Hp) ,通过胃镜检查慢性胃炎发病情况。 结果 慢性胃炎组与对照组间各指数检测结果差别显著 (P <0 .0 1) ;两组菌斑Hp阳性率分别为 81.1%和 37.7% ,具有高度显著性差异 (P<0 .0 1)。结论 Hp可以从口腔牙菌斑检出 ,口腔卫生状况与慢性胃炎发病密切相关。
Objective To investigate the relationship between oral hygiene and chronic gastritis. Methods The oral health status of 2 945 middle-aged and elderly people in urban and rural areas in the Peninsula region was examined and sampled for determination of soft dirt index (DI), calculus index (CI), plaque index (PLI), gingival index (GI) and periodontal disease index (PDI). Helicobacter pylori (Hp) in plaque was detected by polymerase chain reaction (PCR), and the incidence of chronic gastritis was examined by gastroscopy. Results There was a significant difference between the two groups (P <0.01). The positive rates of plaque Hp in the two groups were 81.1% and 37.7%, respectively, with a highly significant difference (P <0.01) ). Conclusions Hp can be detected from dental plaque. Oral hygiene is closely related to the pathogenesis of chronic gastritis.