正畸治療前的模型分析和投影測(cè)量分析

Orthodonticdiagnosis:

ThedevelopmentofaProblemList

Operator:ZhouLingSupervisor:Prof.LiDate:2013.6.6當(dāng)前1頁(yè)，總共85頁(yè)。1534DevelopmentofaProblemList

TheProblem-OrientedapproachClinicalEvaluationAnalysisofDiagnosticRecordsOrthodonticClassificationChapteroutline2當(dāng)前2頁(yè)，總共85頁(yè)。AnalysisofDiagnosticRecordsTwopartsCephalometricanalysisofdentofacialrelationshipsDentalcastanalysistoevaluatespaceexcessordeficiencyandsymmetrywithinthedentalarches當(dāng)前3頁(yè)，總共85頁(yè)。SymmetrySpaceanalysisEstimatingofuneruptedpermanentteethToothsizeanalysisDentalcastanalysis當(dāng)前4頁(yè)，總共85頁(yè)。SymmetryTransparentruledgridplacedoverdentalcastOrientedtothemidpalatalrapheSpotasymmetriesinarchform,andtoothposition當(dāng)前5頁(yè)，總共85頁(yè)。

Lateraldriftofincisors(Crowding,Clost3blockedout)SymmetryDriftofposteriorteeth（EarlylossofE)當(dāng)前6頁(yè)，總共85頁(yè)。Pendulum當(dāng)前7頁(yè)，總共85頁(yè)。SymmetrySpaceanalysisEstimatingofuneruptedpermanentteethToothsizeanalysisDentalcastanalysis當(dāng)前8頁(yè)，總共85頁(yè)。Alignment(Crowding):SpaceAnalysis當(dāng)前9頁(yè)，總共85頁(yè)。DentalcastComputeralgorithmSpaceAnalysis當(dāng)前10頁(yè)，總共85頁(yè)。

Measuringarchperimeterfromthemesialofonefirstmolartotheother,overthecontactpointsofposteriorteethandincisaledgeofanteriors.

Stepone:Calculationofavailablespace片段法銅絲法當(dāng)前11頁(yè)，總共85頁(yè)。Steptwo:CalculationofrequiredspaceMeasurethemesiodistalwidthofeacheruptedtoothfromcontactpointtocontactpoint.當(dāng)前12頁(yè)，總共85頁(yè)。SpaceAnalysis當(dāng)前13頁(yè)，總共85頁(yè)。

01

Thespaceavailablewillnotchangebecauseofgrowth.02Alltheteetharenormalinsize03Correctanteroposteriorpositionofincisors

Threeassumptions當(dāng)前14頁(yè)，總共85頁(yè)。

InteractionProtrusionRetrusionCrowding＋－當(dāng)前15頁(yè)，總共85頁(yè)。Crowdingandprotrusionaredifferentaspectsofthesamephenomenon.Ifthereisnotenoughroomtoproperlyaligntheteeth,theresultcanbecrowding,protrusion,or(mostlikely)somecombinationofthetwo.當(dāng)前16頁(yè)，總共85頁(yè)。當(dāng)前17頁(yè)，總共85頁(yè)。當(dāng)前18頁(yè)，總共85頁(yè)。當(dāng)前19頁(yè)，總共85頁(yè)。01

Thespaceavailablewillnotchangebecauseofgrowth.02Alltheteetharenormalinsize03CorrectanteroposteriorpositionofincisorsThreeassumptions當(dāng)前20頁(yè)，總共85頁(yè)。Inachildwithawell-proportionedface,thereislittleornotendencyforthedentitiontobedisplacedrelativetothejawduringgrowth.Buttheteethoftenshiftanteriorlyorposteriorlyinachildwithajawdiscrepancy.當(dāng)前21頁(yè)，總共85頁(yè)。當(dāng)前22頁(yè)，總共85頁(yè)。01

Thespaceavailablewillnotchangebecauseofgrowth.02Alltheteetharenormalinsize03CorrectanteroposteriorpositionofincisorsThreeassumptions當(dāng)前23頁(yè)，總共85頁(yè)。SymmetrySpaceanalysisEstimatingofuneruptedpermanentteethToothsizeanalysisDentalcastanalysis當(dāng)前24頁(yè)，總共85頁(yè)。

MixDentitionEstimatingofUneruptedPermanentTeeth當(dāng)前25頁(yè)，總共85頁(yè)。

EstimatingofUneruptedPermanentTeethRadiograghicPredictiontablemethodsCombination當(dāng)前26頁(yè)，總共85頁(yè)。Undistortedradiographicimage

CompensateforenlargementMeasurementoftheteethonradiographs當(dāng)前27頁(yè)，總共85頁(yè)。TruewidthofprimarymolarApparentwidthofprimarymolarMeasurementoftheteethonradiographs

TruewidthofuneruptedPremolarApparentwidthofuneruptedpremolar=當(dāng)前28頁(yè)，總共85頁(yè)。Accuracyisfairtogooddependingonthequalityoftheradiographsandtheirpositioninthearch.Thetechniquecanbeusedinmaxillaryandmandibulararchesforallethnicgroups.Measurementoftheteethonradiographs當(dāng)前29頁(yè)，總共85頁(yè)。EstimatingofUneruptedPermanentTeethRadiograghicPredictiontablemethodsCombination當(dāng)前30頁(yè)，總共85頁(yè)。Moyersprediction

EstimationfromproportionalitytablesMeasuringthemesiodistalwidthofthelowerincisorsPredictionthesizeofboththelowerandupperuneruptedcaninesandpremolars當(dāng)前31頁(yè)，總共85頁(yè)。

Estimationfromproportionalitytables當(dāng)前32頁(yè)，總共85頁(yè)。NorthernEuropeanwhitechildrenNoradiographsarerequired,usedfortheupperorlowerarch.

Estimationfromproportionalitytables當(dāng)前33頁(yè)，總共85頁(yè)。

Estimationfromproportionalitytables當(dāng)前34頁(yè)，總共85頁(yè)。EstimatingofUneruptedPermanentTeethRadiograghicPredictiontablemethodsCombination當(dāng)前35頁(yè)，總共85頁(yè)。CombinationofradiographicandpredictiontableItdepends!當(dāng)前36頁(yè)，總共85頁(yè)。Comparison1Radiograghic2MostpracticalNorthernEuropeanwhitechildrenNoradiograghsNoreferencetable3MoyersTakana&JohnstonNorthernEuropeanwhitechildrenNoradiographsDependingonthequalityoftheradiographsandtheirpositioninthearchForallethnicgroups.當(dāng)前37頁(yè)，總共85頁(yè)。SymmetrySpaceanalysisEstimatingofuneruptedpermanentteethToothsizeanalysisDentalcastanalysis當(dāng)前38頁(yè)，總共85頁(yè)。Althoughthenaturalteethmatchverywellinmostindividuals,approximately5%ofthepopulationhavesomedegreeofdisproportionamongthesizesofindividualteeth.---ToothSizeDiscrepancy(TSD)ToothSizeAnalysis當(dāng)前39頁(yè)，總共85頁(yè)。ToothSizeAnalysis當(dāng)前40頁(yè)，總共85頁(yè)。BoltonRatioToothSizeAnalysis(78.8±1.72)%(91.5±1.51)%當(dāng)前41頁(yè)，總共85頁(yè)。

Aquickcheckfor….Anteriortoothsizediscrepancy:2>2Posteriortoothsizediscrepancy：5=5Atoothsizediscrepancyoflessthan1.5mmisrarelysignificant.ToothSizeAnalysis當(dāng)前42頁(yè)，總共85頁(yè)。SymmetrySpaceanalysisEstimatingofuneruptedpermanentteethToothsizeanalysisDentalcastanalysis當(dāng)前43頁(yè)，總共85頁(yè)。AnalysisofDiagnosticRecordsTwopartsCephalometricanalysisofdentofacialrelationshipsDentalcastanalysistoevaluatespaceexcessordeficiencyandsymmetrywithinthedentalarches當(dāng)前44頁(yè)，總共85頁(yè)。Theintroductionofradiographiccephalometricsisin1934byHofrathinGermanyandBroadbentinUSA.Cephalometricanalysis當(dāng)前45頁(yè)，總共85頁(yè)。

Function

Originalpurpose

EvaluatingdentofacialproportionsandclarifytheanatomicbasisforamalocclusionObservingpathologicchanges(Sometimes)

Researchingongrowthpatternsinthecraniofacialcomplex.當(dāng)前46頁(yè)，總共85頁(yè)。Thispatienthasfusionofthe1stand2ndcervicalvertebrae,withtheodontoidprocessextendingintothemarginofforamen.

Function當(dāng)前47頁(yè)，總共85頁(yè)。

Function

Originalpurpose

EvaluatingdentofacialproportionsandclarifytheanatomicbasisforamalocclusionObservingpathologicchanges(Sometimes)Recognizingandevaluatingchangesbroughtaboutbyorthodontictreatment.

Researchingongrowthpatternsinthecraniofacialcomplex.當(dāng)前48頁(yè)，總共85頁(yè)。

Function當(dāng)前49頁(yè)，總共85頁(yè)。Thegoalofcephalometricanalysisistoevaluatetherelationships,bothhorizontallyandvertically,ofthefivemajorfunctionalcomponentsoftheface.Cephalometricanalysis當(dāng)前50頁(yè)，總共85頁(yè)。Cephalometricanalysis當(dāng)前51頁(yè)，總共85頁(yè)。CranialBaseS，N，Po，Ba,BoMaxillaOr，Ptm，ANS，PNS，A，UI

MandibularCo，Go，B，LI，Pog，Me，GnCephalometricLandmarks當(dāng)前52頁(yè)，總共85頁(yè)。

S.sella

N.nasionPo.porion

Ba.basion

BoSNPoBaBoCephalometricLandmarks當(dāng)前53頁(yè)，總共85頁(yè)。

Or.orbitale

Ptm.

ANS.Anteriornasalspine

PNSPosteriornasalspine

A.subspinale

UI.UpperIncisorOrANSUIAPtmPNSCephalometricLandmarks當(dāng)前54頁(yè)，總共85頁(yè)。Co.condylionGo.gonionPog.pogonionMe.mentonGn.gnathion

B.supramental

LI.lowerincisorCoGoBLIPog/Gn/MeCephalometricLandmarks當(dāng)前55頁(yè)，總共85頁(yè)。當(dāng)前56頁(yè)，總共85頁(yè)。TwomethodsContemporarymeasurementapproachCephalometricanalysisviadirectcomparisonwithreferencetemplateCephalometricanalysis當(dāng)前57頁(yè)，總共85頁(yè)。Contemporarymeasurementapproach

ChoiceofaHorizontal(Cranial)ReferenceLine.SteinerAnalysisSassouniAnalysisWitsAnalysis當(dāng)前58頁(yè)，總共85頁(yè)。ChoiceofaHorizontalReferenceLineAninternationalcongresswasheldinFrankfort,Germanyin1882.withthechoiceofahorizontalreferencelinefororientationofskulls當(dāng)前59頁(yè)，總共85頁(yè)?！癕achineporion":Theuppersurfaceoftheearrodofthecephalometric"Anatomicporion”:Theuppersurfaceoftheshadowoftheauditorycanal..ChoiceofaHorizontalReferenceLine當(dāng)前60頁(yè)，總共85頁(yè)。當(dāng)前61頁(yè)，總共85頁(yè)。NHP(naturalheadposition):Relaxedindividualslookatadistantobiectorintotheirowneyesinamirrorandinclinetheirheadsupanddowninincreasinglysmallermovementsuntiltheyfeelcomfortablypositioned.ChoiceofaHorizontalReferenceLine當(dāng)前62頁(yè)，總共85頁(yè)。ChoiceofaHorizontal(Cranial)ReferenceLine.SteinerAnalysisSassouniAnalysisWitsAnalysisContemporarymeasurementapproach

當(dāng)前63頁(yè)，總共85頁(yè)。SteinerAnalysis

SNA:Maxillatothecranialbase82°±2°SNB：MandibletotheCB78°±2°ANB:skeletaljawdiscrepancy.SN-MP(mandiblarplane):Verticalpositionofthemandible.當(dāng)前64頁(yè)，總共85頁(yè)。ANBangleisinfluencedbytwofactors:Verticalheightoftheface.Anteroposteriorpositionofnasion.SteinerAnalysis當(dāng)前65頁(yè)，總共85頁(yè)。當(dāng)前66頁(yè)，總共85頁(yè)。SteinerAnalysisU1--NA（mm)U1--NA°L1--NB（mm)L1--NB°當(dāng)前67頁(yè)，總共85頁(yè)。

HoldawayRatio:

Thebalancebetweentheprominenceofthechinandtheprominenceofthelowerincisor:themoreprominentthechin,themoreprominenttheincisorcanbe。SteinerAnalysis當(dāng)前68頁(yè)，總共85頁(yè)。SteinerAnalysis當(dāng)前69頁(yè)，總共85頁(yè)。當(dāng)前70頁(yè)，總共85頁(yè)。SteinerAnalysis當(dāng)前71頁(yè)，總共85頁(yè)。ChoiceofaHorizontal(Cranial)ReferenceLine.SteinerAnalysisSassouniAnalysisWitsAnalysisContemporarymeasurementapproach

當(dāng)前72頁(yè)，總共85頁(yè)。skeletalopenbite

SNFHPPOPMP

SassouniAnal