資源描述：
《正畸加載對(duì)自體移植牙的牙周組織影響的micro+ct分析》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在行業(yè)資料-天天文庫(kù)。
1、山東大學(xué)碩士學(xué)位論文oppositesideunloadedasthecontrolgroup．Morphologicalobservation，analysisstructureofthedensityandmechanicsquantitativelyWehopetofindtheinfluenceoforthodonticloadtotransplantedteeth，andlookforacluetotreattheautotransplantedteethinclinic．Methods
2、8maledogswereselectedtopreparetheanimalautotransplantedteethmodel，whoseageswere12months，andtheirweightswere10—12kg．Autogenoustoothtransplantationwasdoneaftergeneralanesthesiabyintramuscularinjectionof2％ketaminehydrochlorideandSumianxin．Maxillarycentra
3、lincisorswerechosenforexperiment．Teethwereextractedcarefully,andthentransplantedthetoothofonesidetotheoppositetoothsocketwhichhadbeenmanagedtofitthedonorteeth．Ligatedthem、析t11theadjacentteeth。Dismantledthefixedequipmentsandundertookconventionalrootcan
4、altherapyafteroneweek．Loaded(30z)thelefttransplantedteethatthe1n．4廿land8mweekrespectively,andtherightunloadedwereascontr01．KilledtheanimalandthesamplewerescanedbyMicro—CTafterloadingonemonth．Analyzedthecorrelatedparametersandcompletedthree-dimensional
5、reconstruction．Comparedthedifferencesofperiodontalhealing，andconcludedtheinfluencesoftimeoforthodonticloadtothetransplantedteeth．ResuIts1Periodontalexamination11忙autotramplantedteethloadedandunloadeddidn’tappearcinchordisappear．Butthroughtheexaminatio
6、nbyprobing，wefoundthattheperiodontalpocketofautotransplantedteethloadedandunloadedallweredeeperthanpre—operationandlossofattachmentalsoappearedinsomelevel．Buttheperiodontalconditionofthenormalteethloadedorunlodedweresimilar．Thatindicatedautotransplant
7、ationhadmoreinfluencesthanorthodonticstoothmovement．2MicroCTdetection2．1morphosisobservationTheautotransplantedteethwerereconstructedinthreedimensionbyMicroCT．Wecouldfindthatthereisnoankylosis，somepartshadslightrootresorption,the氣山東大學(xué)碩士學(xué)位論文alveolarbon
8、edensitydecreasedintheapicalzoneobviously,andtrabecularpatternWasdisorderedinthetransplantedteethloadedatthefirstweek．Thetransplantedteethloadedatthe礦weekhadnosignificantdifferencesmorphologicallywith8mweek．Therewereslightankylosisandrootresor
