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1、萬(wàn)方數(shù)據(jù)第三軍醫(yī)大學(xué)碩士學(xué)位論文cured.Bio—ossbonemealsandporoustantalumparticlesfiIlthejawbonedefectsintwo鏟oups,thatis,thecontrolgroup(Bio—ossbonemeals)aJldtheexperimentalgroup(poroustantalumpanicles).TheLane-SandhuXLineEValuationStandardisemployedtoeValuatemesituationofnewbonefomationandsh印ing;meCIAnImageAnaly
2、sisSoRwareisusedtodetectthetrabecularnumberaJldbonemineraldensity(BMD)ofnewbone;T01uidineB1ueStainingMethodandGiemsa-ponceauMixedStainingMethodareadoptedtoobservethefonnofnewbonetissues.Results1.ItisdiscoVeredintheresearchthatwhenthebea91e’slo、verjawbonedefectis7.0mmindepthand4.OOmmindi鋤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鋤ountofOsteoidandcoUagenousfiberinthenewbonetissueinthegroupoftheporoustaIltalumpanicles,andla娼eamoumofosteoida11dcanilage—depressedstructures
5、existinthenewbonetissueinthegmupofBio-ossbonemeals.ConcIusion1.Whenthejawbonedef、ectis7.00mmdeep,thebodywithadi鋤eterofgreaterthanorequalto4.00mmcaIulothealbyitself.Thiscanbeusedtoevaluatetheefl、ectofbonegraRmaterialsatpromotingbonefo冊(cè)ation.2.Speakingofthenewbonefonnationa11dsh印ingafterthejawbone
6、defectrepair,poroustantal啪paniclesaremarkedhi曲ermanBio—ossbonemeals,thenewboneamongtheh01esofporoustantalumpaniclesismuchmOrematureaIldtherearela瑪e鋤ountofosteoidandc01lagenousfiberinthenewboneofBio—ossbonemeals.Thisprovesthatthejawbonedefectrepairea’ectofporoustantalumpaniclesisbetterthaIlthatof
7、thecommonly—usedclinicrepairmaterials.3.TheresearchproVidesmoretheoreticalbasisforthejawbonedefectrepairefrectof4萬(wàn)方數(shù)據(jù)第三軍醫(yī)大學(xué)碩士學(xué)位論文poroustantalumpaniclesandtheoreticalf-oⅥldationforporoustaIltaluIIlpaJticlesintotheclinicresear