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为探讨牙周病发病情况及口腔内多种因素与牙周病的关系，作者对１０４例健康成人进行唾液溶菌酶活性、口腔卫生指数、牙菌斑指数及牙周病指数等项指标检测和分析，结果显示，牙周病罹患率９４．２％，牙菌斑检出率高达９５．２％，软垢和牙结石的检出率分别为１００％和８８．４％；牙周病指数与软垢指数、牙结石指数、牙菌斑指数均呈显著的正相关关系（ｒ１＝０．５７３，ｐ＜０．０１；ｒ２＝０．４３５，ｐ＜０．０１；ｒ２＝０．３２５，ｐ＜０．０１）．
In order to investigate the incidence of periodontal disease and the relationship between various factors in oral cavity and periodontal disease, 104 healthy adults were tested for salivary lysozyme activity, oral hygienic index, dental plaque index and periodontal index The results showed that the incidence of periodontal disease was 94.2%, the rate of plaque detection was 95.2%, the detection rate of soft dirt and dental calculus were 100% and 88.4% respectively. The periodontal disease index There was a significant positive correlation with soft dirt index, calculus index and plaque index (r1 = 0.573, p <0.01; r2 = 0.435, p <0.01; r2 = , P <0.01).