不同应力刺激对犬胫骨骨折愈合的影响

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1、万方数据biopsies，whichwillbestained奶吐lHEandMasson．，thenobversethebiopsiesesunderOpticalmicroscope．Results：1．AlltheoperativeincisionoftheanimalsarePrimaryhealing，andnoinfectionoccurred．2．X—rayobservation：Twoweeksaftertheoperationx—raynotes：Fracturelineswerebrightandclear,onthecontrarythem

2、arginoffracturelineswereslightlyfuzzy．Thegapafterosteotomywasclear,andnoobviousshiftoccurred．SixweeksaftertheoperationX-tarnotes：ThegroupBandgroupCdemonstratemorecallusthanthegroupA．AndthegapafterosteotomyofgroupBismostfuzzyintheallgroups．TenweeksaftertheoperationX．raynotes：TheGroupA

3、formatemorecallusthanbefore，andthefracturelinesblurred，butdidnotdisappear．ThecallusofthegroupBwasmorecompact，thefracturelinenearlydisappeared，partofthecanalreformed，andthetrabeculaeofbonearrangeregularly．ThecallusareaofgroupCisbiggest，butlessdense．Thebonetrabeculaearrangedirregularly

4、,andwecanfindbonesclerosisaroundthegap．3．IODvaluesmeasured：ThecallusIODvaluesofthethreegroupswerenostatisticaldifference2weeksafterthesurgery；At6weeksthecallusIODvalueofgroupAandgroupBishigherthanthecallusIODvaluesofgroupC，andthisisstatisticallysignificant．AndtheIODvaluesofcallusisno

5、statisticallydifferencebetweengroupAandgroupB；At10weeks，thecallus5万方数据IODvaluesofgroupCislowerthanthecallusvaluesofgroupB，whichisstatisticallysignificant．AndthecallusvalueofgroupBishigherthanthecallusvalueofgroupA，whichisnostatisticallysignificant．4．Generalexaminationofcallus：Thecall

6、usamountofgroupAislessthantheothergroups，anditsqualityofmaterialissolid，thesurfaceofcallusissmooth；ThegroupBgeneratesmanydensecalluses，anditsqualityofmaterialissolid，thesurfaceofcallusissmoothtoo；Onthecontrary,thegroupCgeneratemanyloosecallusesanditstextureiscrunchy,thesurfaceofcallu

7、shasmanypores5．BMDmeasurementresults：ThreegroupsofBMDcomparedafter10weeks，therearesignificantdifferences．After10weekstheBMDofgroupBishigherthangroupC，whichisstatisticallysignificant．Bythecontrast，theBMDofAandBwasnosignificantdifference．6．Histologicalexaminationofcallus：Thenumberofcol

8、lagenandbone