正畸治疗前的模型分析和投影测量分析

Orthodonticdiagnosis:

ThedevelopmentofaProblemList

Operator:ZhouLingSupervisor:Prof.LiDate:2013.6.6现在是1页\一共有85页\编辑于星期二1534DevelopmentofaProblemList

TheProblem-OrientedapproachClinicalEvaluationAnalysisofDiagnosticRecordsOrthodonticClassificationChapteroutline2现在是2页\一共有85页\编辑于星期二AnalysisofDiagnosticRecordsTwopartsCephalometricanalysisofdentofacialrelationshipsDentalcastanalysistoevaluatespaceexcessordeficiencyandsymmetrywithinthedentalarches现在是3页\一共有85页\编辑于星期二SymmetrySpaceanalysisEstimatingofuneruptedpermanentteethToothsizeanalysisDentalcastanalysis现在是4页\一共有85页\编辑于星期二SymmetryTransparentruledgridplacedoverdentalcastOrientedtothemidpalatalrapheSpotasymmetriesinarchform,andtoothposition现在是5页\一共有85页\编辑于星期二

Lateraldriftofincisors(Crowding,Clost3blockedout)SymmetryDriftofposteriorteeth（EarlylossofE)现在是6页\一共有85页\编辑于星期二Pendulum现在是7页\一共有85页\编辑于星期二SymmetrySpaceanalysisEstimatingofuneruptedpermanentteethToothsizeanalysisDentalcastanalysis现在是8页\一共有85页\编辑于星期二Alignment(Crowding):SpaceAnalysis现在是9页\一共有85页\编辑于星期二DentalcastComputeralgorithmSpaceAnalysis现在是10页\一共有85页\编辑于星期二

Measuringarchperimeterfromthemesialofonefirstmolartotheother,overthecontactpointsofposteriorteethandincisaledgeofanteriors.

Stepone:Calculationofavailablespace片段法铜丝法现在是11页\一共有85页\编辑于星期二Steptwo:CalculationofrequiredspaceMeasurethemesiodistalwidthofeacheruptedtoothfromcontactpointtocontactpoint.现在是12页\一共有85页\编辑于星期二SpaceAnalysis现在是13页\一共有85页\编辑于星期二

01

Thespaceavailablewillnotchangebecauseofgrowth.02Alltheteetharenormalinsize03Correctanteroposteriorpositionofincisors

Threeassumptions现在是14页\一共有85页\编辑于星期二

InteractionProtrusionRetrusionCrowding＋－现在是15页\一共有85页\编辑于星期二Crowdingandprotrusionaredifferentaspectsofthesamephenomenon.Ifthereisnotenoughroomtoproperlyaligntheteeth,theresultcanbecrowding,protrusion,or(mostlikely)somecombinationofthetwo.现在是16页\一共有85页\编辑于星期二现在是17页\一共有85页\编辑于星期二现在是18页\一共有85页\编辑于星期二现在是19页\一共有85页\编辑于星期二01

Thespaceavailablewillnotchangebecauseofgrowth.02Alltheteetharenormalinsize03CorrectanteroposteriorpositionofincisorsThreeassumptions现在是20页\一共有85页\编辑于星期二Inachildwithawell-proportionedface,thereislittleornotendencyforthedentitiontobedisplacedrelativetothejawduringgrowth.Buttheteethoftenshiftanteriorlyorposteriorlyinachildwithajawdiscrepancy.现在是21页\一共有85页\编辑于星期二现在是22页\一共有85页\编辑于星期二01

Thespaceavailablewillnotchangebecauseofgrowth.02Alltheteetharenormalinsize03CorrectanteroposteriorpositionofincisorsThreeassumptions现在是23页\一共有85页\编辑于星期二SymmetrySpaceanalysisEstimatingofuneruptedpermanentteethToothsizeanalysisDentalcastanalysis现在是24页\一共有85页\编辑于星期二

MixDentitionEstimatingofUneruptedPermanentTeeth现在是25页\一共有85页\编辑于星期二

EstimatingofUneruptedPermanentTeethRadiograghicPredictiontablemethodsCombination现在是26页\一共有85页\编辑于星期二Undistortedradiographicimage

CompensateforenlargementMeasurementoftheteethonradiographs现在是27页\一共有85页\编辑于星期二TruewidthofprimarymolarApparentwidthofprimarymolarMeasurementoftheteethonradiographs

TruewidthofuneruptedPremolarApparentwidthofuneruptedpremolar=现在是28页\一共有85页\编辑于星期二Accuracyisfairtogooddependingonthequalityoftheradiographsandtheirpositioninthearch.Thetechniquecanbeusedinmaxillaryandmandibulararchesforallethnicgroups.Measurementoftheteethonradiographs现在是29页\一共有85页\编辑于星期二EstimatingofUneruptedPermanentTeethRadiograghicPredictiontablemethodsCombination现在是30页\一共有85页\编辑于星期二Moyersprediction

EstimationfromproportionalitytablesMeasuringthemesiodistalwidthofthelowerincisorsPredictionthesizeofboththelowerandupperuneruptedcaninesandpremolars现在是31页\一共有85页\编辑于星期二

Estimationfromproportionalitytables现在是32页\一共有85页\编辑于星期二NorthernEuropeanwhitechildrenNoradiographsarerequired,usedfortheupperorlowerarch.

Estimationfromproportionalitytables现在是33页\一共有85页\编辑于星期二

Estimationfromproportionalitytables现在是34页\一共有85页\编辑于星期二EstimatingofUneruptedPermanentTeethRadiograghicPredictiontablemethodsCombination现在是35页\一共有85页\编辑于星期二CombinationofradiographicandpredictiontableItdepends!现在是36页\一共有85页\编辑于星期二Comparison1Radiograghic2MostpracticalNorthernEuropeanwhitechildrenNoradiograghsNoreferencetable3MoyersTakana&JohnstonNorthernEuropeanwhitechildrenNoradiographsDependingonthequalityoftheradiographsandtheirpositioninthearchForallethnicgroups.现在是37页\一共有85页\编辑于星期二SymmetrySpaceanalysisEstimatingofuneruptedpermanentteethToothsizeanalysisDentalcastanalysis现在是38页\一共有85页\编辑于星期二Althoughthenaturalteethmatchverywellinmostindividuals,approximately5%ofthepopulationhavesomedegreeofdisproportionamongthesizesofindividualteeth.---ToothSizeDiscrepancy(TSD)ToothSizeAnalysis现在是39页\一共有85页\编辑于星期二ToothSizeAnalysis现在是40页\一共有85页\编辑于星期二BoltonRatioToothSizeAnalysis(78.8±1.72)%(91.5±1.51)%现在是41页\一共有85页\编辑于星期二

Aquickcheckfor….Anteriortoothsizediscrepancy:2>2Posteriortoothsizediscrepancy：5=5Atoothsizediscrepancyoflessthan1.5mmisrarelysignificant.ToothSizeAnalysis现在是42页\一共有85页\编辑于星期二SymmetrySpaceanalysisEstimatingofuneruptedpermanentteethToothsizeanalysisDentalcastanalysis现在是43页\一共有85页\编辑于星期二AnalysisofDiagnosticRecordsTwopartsCephalometricanalysisofdentofacialrelationshipsDentalcastanalysistoevaluatespaceexcessordeficiencyandsymmetrywithinthedentalarches现在是44页\一共有85页\编辑于星期二Theintroductionofradiographiccephalometricsisin1934byHofrathinGermanyandBroadbentinUSA.Cephalometricanalysis现在是45页\一共有85页\编辑于星期二

Function

Originalpurpose

EvaluatingdentofacialproportionsandclarifytheanatomicbasisforamalocclusionObservingpathologicchanges(Sometimes)

Researchingongrowthpatternsinthecraniofacialcomplex.现在是46页\一共有85页\编辑于星期二Thispatienthasfusionofthe1stand2ndcervicalvertebrae,withtheodontoidprocessextendingintothemarginofforamen.

Function现在是47页\一共有85页\编辑于星期二

Function

Originalpurpose

EvaluatingdentofacialproportionsandclarifytheanatomicbasisforamalocclusionObservingpathologicchanges(Sometimes)Recognizingandevaluatingchangesbroughtaboutbyorthodontictreatment.

Researchingongrowthpatternsinthecraniofacialcomplex.现在是48页\一共有85页\编辑于星期二

Function现在是49页\一共有85页\编辑于星期二Thegoalofcephalometricanalysisistoevaluatetherelationships,bothhorizontallyandvertically,ofthefivemajorfunctionalcomponentsoftheface.Cephalometricanalysis现在是50页\一共有85页\编辑于星期二Cephalometricanalysis现在是51页\一共有85页\编辑于星期二CranialBaseS，N，Po，Ba,BoMaxillaOr，Ptm，ANS，PNS，A，UI

MandibularCo，Go，B，LI，Pog，Me，GnCephalometricLandmarks现在是52页\一共有85页\编辑于星期二

S.sella

N.nasionPo.porion

Ba.basion

BoSNPoBaBoCephalometricLandmarks现在是53页\一共有85页\编辑于星期二

Or.orbitale

Ptm.

ANS.Anteriornasalspine

PNSPosteriornasalspine

A.subspinale

UI.UpperIncisorOrANSUIAPtmPNSCephalometricLandmarks现在是54页\一共有85页\编辑于星期二Co.condylionGo.gonionPog.pogonionMe.mentonGn.gnathion

B.supramental

LI.lowerincisorCoGoBLIPog/Gn/MeCephalometricLandmarks现在是55页\一共有85页\编辑于星期二现在是56页\一共有85页\编辑于星期二TwomethodsContemporarymeasurementapproachCephalometricanalysisviadirectcomparisonwithreferencetemplateCephalometricanalysis现在是57页\一共有85页\编辑于星期二Contemporarymeasurementapproach

ChoiceofaHorizontal(Cranial)ReferenceLine.SteinerAnalysisSassouniAnalysisWitsAnalysis现在是58页\一共有85页\编辑于星期二ChoiceofaHorizontalReferenceLineAninternationalcongresswasheldinFrankfort,Germanyin1882.withthechoiceofahorizontalreferencelinefororientationofskulls现在是59页\一共有85页\编辑于星期二“Machineporion":Theuppersurfaceoftheearrodofthecephalometric"Anatomicporion”:Theuppersurfaceoftheshadowoftheauditorycanal..ChoiceofaHorizontalReferenceLine现在是60页\一共有85页\编辑于星期二现在是61页\一共有85页\编辑于星期二NHP(naturalheadposition):Relaxedindividualslookatadistantobiectorintotheirowneyesinamirrorandinclinetheirheadsupanddowninincreasinglysmallermovementsuntiltheyfeelcomfortablypositioned.ChoiceofaHorizontalReferenceLine现在是62页\一共有85页\编辑于星期二ChoiceofaHorizontal(Cranial)ReferenceLine.SteinerAnalysisSassouniAnalysisWitsAnalysisContemporarymeasurementapproach

现在是63页\一共有85页\编辑于星期二SteinerAnalysis

SNA:Maxillatothecranialbase82°±2°SNB：MandibletotheCB78°±2°ANB:skeletaljawdiscrepancy.SN-MP(mandiblarplane):Verticalpositionofthemandible.现在是64页\一共有85页\编辑于星期二ANBangleisinfluencedbytwofactors:Verticalheightoftheface.Anteroposteriorpositionofnasion.SteinerAnalysis现在是65页\一共有85页\编辑于星期二现在是66页\一共有85页\编辑于星期二SteinerAnalysisU1--NA（mm)U1--NA°L1--NB（mm)L1--NB°现在是67页\一共有85页\编辑于星期二

HoldawayRatio:

Thebalancebetweentheprominenceofthechinandtheprominenceofthelowerincisor:themoreprominentthechin,themoreprominenttheincisorcanbe。SteinerAnalysis现在是68页\一共有85页\编辑于星期二SteinerAnalysis现在是69页\一共有85页\编辑于星期二现在是70页\一共有85页\编辑于星期二SteinerAnalysis现在是71页\一共有85页\编辑于星期二ChoiceofaHorizontal(Cranial)ReferenceLine.SteinerAnalysisSassouniAnalysisWitsAnalysisContemporarymeasurementapproach

现在是72页\一共有85页\编辑于星期二skeletalopenbite

SNFHPPOPMP

SassouniAnalysis

现在是73页\一共有85页\编辑于星期二现在是74页\一