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ID:33957594
大小:3.93 MB
页数:39页
时间:2019-03-02
《多孔钽颗粒对颌骨缺损修复效果的实验分析》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、万方数据第三军医大学硕士学位论文cured.Bio—ossbonemealsandporoustantalumparticlesfiIlthejawbonedefectsintwo铲oups,thatis,thecontrolgroup(Bio—ossbonemeals)aJldtheexperimentalgroup(poroustantalumpanicles).TheLane-SandhuXLineEValuationStandardisemployedtoeValuatemesituationofnewbonefomationandsh印ing;meCIAnImageAnaly
2、sisSoRwareisusedtodetectthetrabecularnumberaJldbonemineraldensity(BMD)ofnewbone;T01uidineB1ueStainingMethodandGiemsa-ponceauMixedStainingMethodareadoptedtoobservethefonnofnewbonetissues.Results1.ItisdiscoVeredintheresearchthatwhenthebea91e’slo、verjawbonedefectis7.0mmindepthand4.OOmmindi锄eter,the
3、jawbonedefectcannotbehealedbyitself.2.ARerthebonedefec“srepairedfor3months,theLalle-SandhuXLineEvaluationStandardisemployedtoeValuatethesituationofnewbonefbmationaJldsh印ing,aJlditisdiscoVeredthatporoustantal啪particlesaremarkedhigherthanBio—ossbonemeals(P<0.05);therearenoobviousdid’erencesbetween
4、thenewtrabeculaandBMCinthedefectzonesofthetwogroups(P>0.05).3.Thehardtissuestaininghints:therearenewbonesinthegapsbetweentwogroupsofparticles;therearesmaU锄ountofOsteoidandcoUagenousfiberinthenewbonetissueinthegroupoftheporoustaIltalumpanicles,andla娼eamoumofosteoida11dcanilage—depressedstructures
5、existinthenewbonetissueinthegmupofBio-ossbonemeals.ConcIusion1.Whenthejawbonedef、ectis7.00mmdeep,thebodywithadi锄eterofgreaterthanorequalto4.00mmcaIulothealbyitself.Thiscanbeusedtoevaluatetheefl、ectofbonegraRmaterialsatpromotingbonefo册ation.2.Speakingofthenewbonefonnationa11dsh印ingafterthejawbone
6、defectrepair,poroustantal啪paniclesaremarkedhi曲ermanBio—ossbonemeals,thenewboneamongtheh01esofporoustantalumpaniclesismuchmOrematureaIldtherearela玛e锄ountofosteoidandc01lagenousfiberinthenewboneofBio—ossbonemeals.Thisprovesthatthejawbonedefectrepairea’ectofporoustantalumpaniclesisbetterthaIlthatof
7、thecommonly—usedclinicrepairmaterials.3.TheresearchproVidesmoretheoreticalbasisforthejawbonedefectrepairefrectof4万方数据第三军医大学硕士学位论文poroustantalumpaniclesandtheoreticalf-oⅥldationforporoustaIltaluIIlpaJticlesintotheclinicresear
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