·102·上海口腔医学2015年2月第24卷第1期Shangh~Joum~ofStomatologyVo1.24No.1February,2015[文章编号]1006.7248(2015)01.0102.05正畸治疗中牙龈蛋白K与牙龈炎性反应的关系杨刚岭,李伟哲,韩志强3,4,肖水清。(1.山东省滨州市人民医院口腔科,山东滨州256603;2.山东省荣成市石岛人民医院口腔科,山东威海264309;3.山东省济南市口腔医院正畸科,山东济南250001;4.山东省滨州医学院口腔学院正畸教研室,山东滨州256603)I摘要】目的:分析牙龈蛋白K(gingipainK,Kgp)在正畸治疗中对牙龈炎性反应的影响。方法:选择青少年牙龈健康者45例.分别取矫治器戴人前与矫治器戴人后3个月的龈沟液.应用16SrDNAPCR技术检测各样本中的牙龈卟啉单胞菌(P.g)及Kgp,采用SPSS17.0软件包对数据进行统计学分析。结果:矫治器戴人前Kgp检出率为35.71%,矫治器戴人后Kgp检出率为67.86%,两者之间差异显著(P<0.05)。结论:正畸治疗患者在矫治器戴人后Kgp检出率增加,出现牙龈炎性反应【关键词】正畸治疗;牙龈蛋白Kgp;16SrDNAPCR技术;牙龈炎f中图分类号】R783.5【文献标志码1ADetectionofgingipainKinthegingivalcrevicularfluidoforthodonticpatientsYANGGang-ling,LIWei—zhe,HANZhi-qiang.XIAOShui-qing..DepartmentofStomatology,BinzhouPeople’sHospita1.Binzhou256603;2.DepartmentofStomatology,thePeople’SHospitalofRongcheng.Rongcheng264309;3.DepartmentofOrthodontics,n帆StomatologicalHospita1.Jinan250001;4.DepartmentofOrthodontics,HospitalofStomatology,BinzhouMedicalUniversity.Binzhou256603,ShandongProvince,China)[Abstract】PURPOSE:ToexplorethecorrelationbetweengingipainK(Kgp)andinflammatoryreactionofgumintheprocessoforthodontictreatment,andanalysetheroleofKgpinthedevelopmentofgingivitisduringorthodontictreatment.METHODS:Totally45orthodontichealthyteenagerswererandomlychosenforthestudy.Thesubgingivalplaqueswerecollectedsimultaneouslybeforeorthodontictreatmentand3monthsaftertreatment.16SrDNAPCRtechniquewasusedtodetectPorphyromonasgingivalisandKgp.SPSS17.0softwarepackagewasusedforstatisticalanalysis.RESULTS:ThedetectionrateofKgpwas35.71%beforeorthodontictreatmentand67.86%aftertreatment.PositivecorrelationfP<0.051wasobservedbetweenKgpandgingivalinflammation.CONCLUSIONS:Fixedorthodonticappliancescauseplaqueaccumulation,accordinglyslightgingivainflammationandtheincreamentofP.gingivalisintheearlystage.SupposedbyEnterpriseInnovationPlanofScienceandTechnologyBureauofJinanCity(201121038).[Keywords】Orthodontictreatment;GingipainK;16SrDNAPCRtechnique;GingivitisShanghaiJStomatol,2015,24(1):102-106.正畸治疗过程中,矫治器戴人不利于菌斑清除,口腔卫生差可造成菌斑大量堆积.是固定正畸治疗中发生牙龈炎性反应的主要原因[1l。牙龈素(gingipain)是牙龈卟啉单胞菌表面的一组蛋白f投稿日期】2014一O1~15;【修回日期】2014—03—10f基金项目1济南市科技局企业创新计划(201121038)f作者简介】杨刚岭(1966一),男,主治医师,E—mail:826964972@qq.comf通信作者】肖水清,E—mail:shqxiao@126.corn@2015年版权归《上海VI腔医学》编辑部所有酶,依据作用底物不同.可划分为牙龈蛋白K(Kgp)和牙龈蛋白R(Rgp):其中。Kgp是最有潜能的纤维蛋白降解酶.对宿主的免疫防御机制产生破坏作用[21。聚合酶链反应(PCR)技术具有高敏感性和特异性。被广泛用于病原微生物的检测,对P的快速检测也已被大量实验验证本研究采用16SrDNAPCR技术直接监测牙龈健康者、正畸治疗患者龈沟液的Kgp.探讨正畸治疗患者在戴入矫治器后龈沟液中杨剐岭,等.正畸治疗中牙龈蛋白K与牙龈炎性反应的关系n。YANGGang—ling.eta1.DetectionofgingipainKinthegingivalcrevicularfluidoforthodonticpatients‘lUjKgp对牙龈炎性的反应.以期较全面地研究...