正畸治療前的模型分析和投影測量分析

Orthodonticdiagnosis:

ThedevelopmentofaProblemList

Operator:ZhouLingSupervisor:Prof.LiDate:2013.6.6現(xiàn)在是1頁\一共有85頁\編輯于星期二1534DevelopmentofaProblemList

TheProblem-OrientedapproachClinicalEvaluationAnalysisofDiagnosticRecordsOrthodonticClassificationChapteroutline2現(xiàn)在是2頁\一共有85頁\編輯于星期二AnalysisofDiagnosticRecordsTwopartsCephalometricanalysisofdentofacialrelationshipsDentalcastanalysistoevaluatespaceexcessordeficiencyandsymmetrywithinthedentalarches現(xiàn)在是3頁\一共有85頁\編輯于星期二SymmetrySpaceanalysisEstimatingofuneruptedpermanentteethToothsizeanalysisDentalcastanalysis現(xiàn)在是4頁\一共有85頁\編輯于星期二SymmetryTransparentruledgridplacedoverdentalcastOrientedtothemidpalatalrapheSpotasymmetriesinarchform,andtoothposition現(xiàn)在是5頁\一共有85頁\編輯于星期二

Lateraldriftofincisors(Crowding,Clost3blockedout)SymmetryDriftofposteriorteeth（EarlylossofE)現(xiàn)在是6頁\一共有85頁\編輯于星期二Pendulum現(xiàn)在是7頁\一共有85頁\編輯于星期二SymmetrySpaceanalysisEstimatingofuneruptedpermanentteethToothsizeanalysisDentalcastanalysis現(xiàn)在是8頁\一共有85頁\編輯于星期二Alignment(Crowding):SpaceAnalysis現(xiàn)在是9頁\一共有85頁\編輯于星期二DentalcastComputeralgorithmSpaceAnalysis現(xiàn)在是10頁\一共有85頁\編輯于星期二

Measuringarchperimeterfromthemesialofonefirstmolartotheother,overthecontactpointsofposteriorteethandincisaledgeofanteriors.

Stepone:Calculationofavailablespace片段法銅絲法現(xiàn)在是11頁\一共有85頁\編輯于星期二Steptwo:CalculationofrequiredspaceMeasurethemesiodistalwidthofeacheruptedtoothfromcontactpointtocontactpoint.現(xiàn)在是12頁\一共有85頁\編輯于星期二SpaceAnalysis現(xiàn)在是13頁\一共有85頁\編輯于星期二

01

Thespaceavailablewillnotchangebecauseofgrowth.02Alltheteetharenormalinsize03Correctanteroposteriorpositionofincisors

Threeassumptions現(xiàn)在是14頁\一共有85頁\編輯于星期二

InteractionProtrusionRetrusionCrowding＋－現(xiàn)在是15頁\一共有85頁\編輯于星期二Crowdingandprotrusionaredifferentaspectsofthesamephenomenon.Ifthereisnotenoughroomtoproperlyaligntheteeth,theresultcanbecrowding,protrusion,or(mostlikely)somecombinationofthetwo.現(xiàn)在是16頁\一共有85頁\編輯于星期二現(xiàn)在是17頁\一共有85頁\編輯于星期二現(xiàn)在是18頁\一共有85頁\編輯于星期二現(xiàn)在是19頁\一共有85頁\編輯于星期二01

Thespaceavailablewillnotchangebecauseofgrowth.02Alltheteetharenormalinsize03CorrectanteroposteriorpositionofincisorsThreeassumptions現(xiàn)在是20頁\一共有85頁\編輯于星期二Inachildwithawell-proportionedface,thereislittleornotendencyforthedentitiontobedisplacedrelativetothejawduringgrowth.Buttheteethoftenshiftanteriorlyorposteriorlyinachildwithajawdiscrepancy.現(xiàn)在是21頁\一共有85頁\編輯于星期二現(xiàn)在是22頁\一共有85頁\編輯于星期二01

Thespaceavailablewillnotchangebecauseofgrowth.02Alltheteetharenormalinsize03CorrectanteroposteriorpositionofincisorsThreeassumptions現(xiàn)在是23頁\一共有85頁\編輯于星期二SymmetrySpaceanalysisEstimatingofuneruptedpermanentteethToothsizeanalysisDentalcastanalysis現(xiàn)在是24頁\一共有85頁\編輯于星期二

MixDentitionEstimatingofUneruptedPermanentTeeth現(xiàn)在是25頁\一共有85頁\編輯于星期二

EstimatingofUneruptedPermanentTeethRadiograghicPredictiontablemethodsCombination現(xiàn)在是26頁\一共有85頁\編輯于星期二Undistortedradiographicimage

CompensateforenlargementMeasurementoftheteethonradiographs現(xiàn)在是27頁\一共有85頁\編輯于星期二TruewidthofprimarymolarApparentwidthofprimarymolarMeasurementoftheteethonradiographs

TruewidthofuneruptedPremolarApparentwidthofuneruptedpremolar=現(xiàn)在是28頁\一共有85頁\編輯于星期二Accuracyisfairtogooddependingonthequalityoftheradiographsandtheirpositioninthearch.Thetechniquecanbeusedinmaxillaryandmandibulararchesforallethnicgroups.Measurementoftheteethonradiographs現(xiàn)在是29頁\一共有85頁\編輯于星期二EstimatingofUneruptedPermanentTeethRadiograghicPredictiontablemethodsCombination現(xiàn)在是30頁\一共有85頁\編輯于星期二Moyersprediction

EstimationfromproportionalitytablesMeasuringthemesiodistalwidthofthelowerincisorsPredictionthesizeofboththelowerandupperuneruptedcaninesandpremolars現(xiàn)在是31頁\一共有85頁\編輯于星期二

Estimationfromproportionalitytables現(xiàn)在是32頁\一共有85頁\編輯于星期二NorthernEuropeanwhitechildrenNoradiographsarerequired,usedfortheupperorlowerarch.

Estimationfromproportionalitytables現(xiàn)在是33頁\一共有85頁\編輯于星期二

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

Aquickcheckfor….Anteriortoothsizediscrepancy:2>2Posteriortoothsizediscrepancy：5=5Atoothsizediscrepancyoflessthan1.5mmisrarelysignificant.ToothSizeAnalysis現(xiàn)在是42頁\一共有85頁\編輯于星期二SymmetrySpaceanalysisEstimatingofuneruptedpermanentteethToothsizeanalysisDentalcastanalysis現(xiàn)在是43頁\一共有85頁\編輯于星期二AnalysisofDiagnosticRecordsTwopartsCephalometricanalysisofdentofacialrelationshipsDentalcastanalysistoevaluatespaceexcessordeficiencyandsymmetrywithinthedentalarches現(xiàn)在是44頁\一共有85頁\編輯于星期二Theintroductionofradiographiccephalometricsisin1934byHofrathinGermanyandBroadbentinUSA.Cephalometricanalysis現(xiàn)在是45頁\一共有85頁\編輯于星期二

Function

Originalpurpose

EvaluatingdentofacialproportionsandclarifytheanatomicbasisforamalocclusionObservingpathologicchanges(Sometimes)

Researchingongrowthpatternsinthecraniofacialcomplex.現(xiàn)在是46頁\一共有85頁\編輯于星期二Thispatienthasfusionofthe1stand2ndcervicalvertebrae,withtheodontoidprocessextendingintothemarginofforamen.

Function現(xiàn)在是47頁\一共有85頁\編輯于星期二

Function

Originalpurpose

EvaluatingdentofacialproportionsandclarifytheanatomicbasisforamalocclusionObservingpathologicchanges(Sometimes)Recognizingandevaluatingchangesbroughtaboutbyorthodontictreatment.

Researchingongrowthpatternsinthecraniofacialcomplex.現(xiàn)在是48頁\一共有85頁\編輯于星期二

Function現(xiàn)在是49頁\一共有85頁\編輯于星期二Thegoalofcephalometricanalysisistoevaluatetherelationships,bothhorizontallyandvertically,ofthefivemajorfunctionalcomponentsoftheface.Cephalometricanalysis現(xiàn)在是50頁\一共有85頁\編輯于星期二Cephalometricanalysis現(xiàn)在是51頁\一共有85頁\編輯于星期二CranialBaseS，N，Po，Ba,BoMaxillaOr，Ptm，ANS，PNS，A，UI

MandibularCo，Go，B，LI，Pog，Me，GnCephalometricLandmarks現(xiàn)在是52頁\一共有85頁\編輯于星期二

S.sella

N.nasionPo.porion

Ba.basion

BoSNPoBaBoCephalometricLandmarks現(xiàn)在是53頁\一共有85頁\編輯于星期二

Or.orbitale

Ptm.

ANS.Anteriornasalspine

PNSPosteriornasalspine

A.subspinale

UI.UpperIncisorOrANSUIAPtmPNSCephalometricLandmarks現(xiàn)在是54頁\一共有85頁\編輯于星期二Co.condylionGo.gonionPog.pogonionMe.mentonGn.gnathion

B.supramental

LI.lowerincisorCoGoBLIPog/Gn/MeCephalometricLandmarks現(xiàn)在是55頁\一共有85頁\編輯于星期二現(xiàn)在是56頁\一共有85頁\編輯于星期二TwomethodsContemporarymeasurementapproachCephalometricanalysisviadirectcomparisonwithreferencetemplateCephalometricanalysis現(xiàn)在是57頁\一共有85頁\編輯于星期二Contemporarymeasurementapproach

ChoiceofaHorizontal(Cranial)ReferenceLine.SteinerAnalysisSassouniAnalysisWitsAnalysis現(xiàn)在是58頁\一共有85頁\編輯于星期二ChoiceofaHorizontalReferenceLineAninternationalcongresswasheldinFrankfort,Germanyin1882.withthechoiceofahorizontalreferencelinefororientationofskulls現(xiàn)在是59頁\一共有85頁\編輯于星期二“Machineporion":Theuppersurfaceoftheearrodofthecephalometric"Anatomicporion”:Theuppersurfaceoftheshadowoftheauditorycanal..ChoiceofaHorizontalReferenceLine現(xiàn)在是60頁\一共有85頁\編輯于星期二現(xiàn)在是61頁\一共有85頁\編輯于星期二NHP(naturalheadposition):Relaxedindividualslookatadistantobiectorintotheirowneyesinamirrorandinclinetheirheadsupanddowninincreasinglysmallermovementsuntiltheyfeelcomfortablypositioned.ChoiceofaHorizontalReferenceLine現(xiàn)在是62頁\一共有85頁\編輯于星期二ChoiceofaHorizontal(Cranial)ReferenceLine.SteinerAnalysisSassouniAnalysisWitsAnalysisContemporarymeasurementapproach

現(xiàn)在是63頁\一共有85頁\編輯于星期二SteinerAnalysis

SNA:Maxillatothecranialbase82°±2°SNB：MandibletotheCB78°±2°ANB:skeletaljawdiscrepancy.SN-MP(mandiblarplane):Verticalpositionofthemandible.現(xiàn)在是64頁\一共有85頁\編輯于星期二ANBangleisinfluencedbytwofactors:Verticalheightoftheface.Anteroposteriorpositionofnasion.SteinerAnalysis現(xiàn)在是65頁\一共有85頁\編輯于星期二現(xiàn)在是66頁\一共有85頁\編輯于星期二SteinerAnalysisU1--NA（mm)U1--NA°L1--NB（mm)L1--NB°現(xiàn)在是67頁\一共有85頁\編輯于星期二

HoldawayRatio:

Thebalancebetweentheprominenceofthechinandtheprominenceofthelowerincisor:themoreprominentthechin,themoreprominenttheincisorcanbe。SteinerAnalysis現(xiàn)在是68頁\一共有85頁\編輯于星期二SteinerAnalysis現(xiàn)在是69頁\一共有85頁\編輯于星期二現(xiàn)在是70頁\一共有85頁\編輯于星期二SteinerAnalysis現(xiàn)在是71頁\一共有85頁\編輯于星期二ChoiceofaHorizontal(Cranial)ReferenceLine.SteinerAnalysisSassouniAnalysisWitsAnalysisContemporarymeasurementapproach

現(xiàn)在是72頁\一共有85頁\編輯于星期二skeletalopenbite

SNFHPPOPMP

SassouniAnalysis

現(xiàn)在是73頁\一共有85頁\編輯于星期二現(xiàn)在是74頁\一