不同骨面型患者颞下颌关节窝位置的测量分析

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1、第四军医大学硕士学位论文GlenoidFossaPositioninSubjectswithDifferentFacialTypes:aCephalometricStudyCandidateformaster:GuoXianghongSupervisor:ProfessorDingyinDepartmentoforthodontics,Stomatologicalcollege,TheFourthMilitaryMedicaluniversity,Xi’an710032,chinaAbstractAstherelati

2、onshipofthemandibletothecranialbaseinfluencebothsagittalandverticalfacialdisharmonies,glenoidfossadeterminethescopeofmandibularmovementandiscloselycorrelatedtomandibularmovement,asonepartofthecraniofacialcomplex.Glenoidfossapositionislikelytoplayanimportantrolei

3、ntheestablishmentofdifferentcraniofacialpatterns.Manyexperimentalandclinicalcontributionshavedemonstratedtheeffectsoforthopaedic/orthodondictherapiesonglenoidfossapositionandmorphology.Glenoidfossadisplacementispartlyduetoconcomitantphysiologicalgrowthandremodel

4、lingofsurroundingstructures.AllcephalogramsweretakenbymeansofthesameX-raydeviceandbyasingletechnician.Theaimofthepresentstudywastoinvestigatethecephalometricrelationshipsbetweentheglenoidfossaandothercraniofacialcomponentsinsubjectspresentingwithdifferentsagitta

5、landverticalskeletalcharacteristics.Thisstudywouldprovidesomevaluablereferencesfortheorthodonticaldiagnosis,treatmentandcraniofacialgrowthanddevelopment.4第四军医大学硕士学位论文Thestudyconsistsoftwoparts:1.GlenoidfossaPositioninSubjectswithDifferentsagittalFacialTypes.Acep

6、halometricstudywascarriedoutonasampleof110subjects(53malesand57females,aged12-14years)beforeanytreatment.Thesampledividedinto3groups:40skeletalclassI(20malesand20females),36skeletalclassⅡ(17malesand19females)and34skeletalclassIII(16malesand18females).Eachgroupsw

7、erehomogenousastoageandsexdistribution.AllsubjectswereselectedfromthefilesoftheDepartmentofOrthodontics,StomatologicalCollegeoftheFourthMilitaryMedicalUniversity.Criteriaforcaseselectioninclude(1)facialsymmetryandnormalangleverticalrelationships,(2)noorthodontic

8、treatment,injury,TMJtrauma,andsurgicaltreatmenthistory,and(3)lateralfilmswithwelldetectablecontoursoftheglenoidfossa.Thecomparisonsamongthethreegroupsaccordingtothesa