【摘要】 为研究外源性纤维粘连蛋白对再植牙愈合的影响，作者选用２只成年猕猴，拔除上中切牙，实验组牙用０．５ｍｇ／ｍｌ的纤维粘连蛋白溶液处理，以其同名牙作为对照。牙齿即刻原位再植，术后４周、８周时分别切取标本，行普通光学显微镜形态学观察和图像处理分析。结果显示：纤维粘连蛋白的应用不仅可以明显促进再植牙牙周纤维的再附着、降低牙根吸收率，而且可以明显减轻愈合过程中的炎症反应。更多还原

【Abstract】 Thepurposeofthisarticleistostudytheefectonthehealingofimmediatereplantedtethafterthebiologicalcharactersofrootswerechangedbyusingexogenousfibronectin(Fn).Twoadultrhesusmonkeyswerechosenintheexperiment.Upperincisorsofeachmonkeywereextracted.Theteethofexperimentalgroupwereextractedtherootstreatedby0.5mg/mlFnsolutionandre-plantedimmediately.Therootsofanotheranimalwereusedascontrols.Afteroperations,theexper-imentalspecimensof4weeksand8weekswereexamedhistologicalybylightmicroscopeandstudiedquantitativelybycomputerimageanalysissystem.TheresultsrevealthatFncanenhanceperiodontalhealingbyimprovingperiodontalreatachmentandreducingrootresorptionofreplantedtooth.Fnhasalsothefunctiontoreduceinflammatoryreactionssignificantlyduringthehealingprocess.更多还原