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- 2015
慢性牙周炎唾液牙龈卟啉单胞菌的定量PCR检测
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Abstract:
摘要 目的:定量检测慢性牙周炎患者、牙周健康人群唾液中牙龈卟啉单胞菌的含量,比较其在各组人群分布的差异。方法:应用SYBR Green模式的实时荧光定量PCR技术,针对Pg特异基因Arg-gingipain设计引物,检测20例慢性牙周炎和20例牙周健康者唾液内Pg的含量,t检验分析比较在各组人群中Pg定植的差异。结果:慢性牙周炎患者唾液中,Pg的检出数目为(1.78×103~1.99×105),检出率为85%;牙周健康者唾液中,Pg的检出数目为(2.19×103~2.30×103),检出率为10%。Pg在慢性牙周炎和牙周健康者唾液中检出数目和检出率的差异具有统计学意义(P<0.05)。结论:慢性牙周炎唾液中,牙龈卟啉单胞菌较正常人群明显升高,在今后的研究及防治中,不仅要观察龈沟液中的牙龈卟啉单胞菌,也应注意其在唾液中含量的变化
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