X线头影测量完整版.ppt

;(一)X线头影测量的主要应用;研究颅面生长发育;;牙颌面畸形的诊断分析与矫治设计;Incompetentlipsatrestorlipstrainonclosure;Soft-tissueprofiles;Themaxillaandincisorsisprotrusive;Retrusivemandibleandincorrecttreatment;Goodfacialbalancewithlipsapproximatingthes-line;Convexprofilecausedbyupperandlowerincisorteethbeingtooprotrusive;“Collapsed”facialprofile;研究矫治过程中及矫治后的牙颌面形态结构的变化;SuperimpositionofCephalometricRadiographs;;;;外科正畸的诊断和矫治设计;;;;;;;;两侧影象不完全重合时，取平均中点;;;;;;;基准平面;测量平面;;;;;;;;;;;１．上下颌骨的常用测量项目;;;;;;;３．面部高度的常用测量项目;４．面部软组织的常用测量项目;;;;;;（五）常用Ｘ线头影测量分析法;Downs’Analysis;Retrognathicfacialtype;Orthognathicfacialtype;Prognathicfacialtype;Trueprognathism;SkeletalPattern;facialangle;AngleofConvexity;;Mandibular

plane;Mandibularplaneandy-axis;DentalPattern;;Interincisal,incisal-occlusal,andincisor-mandibularplaneangle;Protrusionofthemaxillaryincisors;ThePolygon;InterpretationofCephalometricHeadfilmTracing;;;ARetro-positionedmaxillarybase;TWEEDANALYSIS;SteinerAnalysis;TheSkeletalAnalysis;;;SNA;SNB;ANB;;TheDentalAnalysis;UpperincisortoNA;;;LowerincisortoN-Bline;;Soft-TissueAnalysis;Steiner’sS-line;InterpretationofCephalometricHeadfilms;;;AcceptableCompromises;;;;WitsAppraisal;ANBasaMeasureofJawDysplasia;;;AnteroposteriorSpatialRelationshipofthejawsRelativetoNasion;;Anormalocclusion;TheeffectsofshortandlongcranialbaseontheANBanlge;RotationalEffectoftheJaws;TheeffectsofthejawsrelativetotheanteriorcranialbaseontheANBangle;;DroppingperpendicularsfrompointAandB,respectively,ontotheocclusalplane;ApplicatonoftheWitsAppraisal;;;;;;ShortcomingsofANB;;;Follow-upStudiesonANBAngleandWitsMeasurements;;;Roth’smodificationoftheWitsappraisaltodescribemolarrelationships;;;;AirwayAnalysis;;;（六）常用软组织测量内容;（七）计算机Ｘ线头影测量;诊断;治疗计划与适应证;;谢谢！