骨性ⅲ类错(牙合)伴下颌偏斜成人下颌骨形态的cbct分析

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1、英文摘要CBCTResearchonAdultMandibularMorphologyofSkeletalClassIIIMalocclusionwithMandibularDeviationABSTRACTobjectives：SkeletalclassIIImalocclusionhasalwaysbeenadifficultandhotsubjectinorthodontics．Thetreatmentofskeletalclass111withmandibulardeviationisevenharderandthefi

2、naleffectsaremostlyuncertain．Therefore，theresearchonmandibularmorphologyofadukpatientswithskeletalclassIIImalocclusionwithmandibulardeviationhasgreatclinicalsignificance．Intheresearch，wetriedtomakeanalysisofthemandibularofadultpatientswhowereskeletalclassIIImalocclus

3、ionwithmandibulardeviationbyCBCT(cone—beamcomputerizedtomography)data，tofinditsdifferencefromindividualnormalocclusionandtostudythemandibularmorphologycharacteristicsofadultpatientswhowereskeletalclassIIImalocclusionwithmandibulardeviation．Methods：Thestudyobjectswere

4、dividedintotwogroups：twentyadultpatientswithskeletalclassIIImalocclusionwithmandibulardeviation(10male，10female，18—3lyearsoldwithanaverageageof21．5years)fromtheDepartmentofOrthodonticsinHospitalofStomatology,HebeiMedicalUniversity,fromOctober2010toOctober2012；twentys

5、tudentswithnormalocclusionfromHebeiMedicalUniversity(10male，10female，18—28yearsoldwithanaverageageof20．95years)．CBCTslicesweretakenforeachobjectandsavedinDicomform．Inviv05softwarewasusedtomakethree—dimensionalreconstructionandlocatemarksforthemandibulartolinedistance

6、andvolumemeasurementsofmandibularandcondylar．Allthepatientsandstudentswouldbeinformedofthestudyandagreetoacceptthestudy．Inthisstudy,relevantmeasurementsweresetbasingonmandibularforamen，mentalforamen，mandibularboaycurvepointanddifferentanatomicalcross—section：mandibul

7、arramallength，mandibularbodylength，4英文摘要_——————————————————————————————————————————————————————————一mandibulartotallength，posteriorpartofmandibularbodylength，anteriorpartofmandibularbodylength，hemi—mandibularvolume，mandibularramalvolume．mandibularbodyvolume，angularan

8、gle，condylarunitlength，coronoidunitlength，angularunitlength，bodyunitlength，chinunitlength，canineareawidth，canineareaheigth，molarare