多孔钽颗粒对颌骨缺损修复效果的实验分析

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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