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SettingPosteriorTeethSetforFunction
1PhilosophiesofDentureOcclusionManyphilosophiesofarrangingdentureocclusionNodefinitivescientificstudiesproveoneocclusalschemeclearlysuperior
2RationaleforDalhousieApproachPrincipalstochooseanocclusalschemeBasedonclinicalexperienceDalhousie:twoocclusalschemes:LingualizedOcclusionMonoplaneOcclusion
3OcclusalSchemesAttemptstoStabilizeDenturesLingualizedOcclusion:ContactsoncenteredonmandibularridgeminimizesmovementMonoplaneOcclusion:Lackofcuspsminimizeslateralforcesondenture
4BasedontheUCLA/IVOCLAR/ACPSeriesLingualizedOcclusionCentriccontactsaremaxillarylingualcusptocentralfossa/marginalridge
5LingualizedOcclusionAnatomicteethusedinmaxillaBetterestheticsthanMonoplaneShallowcuspedmandibularteethForcescenteredovermandibularridge
6
7
8DentureOcclusionOptionsAnatomicSemi-anatomicLingualized(lingualcontact)Non-anatomic(balancingramp)Non-anatomic
9Setmandibularpremolars&1stmolar:LevelwithocclplaneCenteredoverridgeOcclusalplaneLineindicatingthecrestoftheridge
10Balanced LingualizedOcclusionMaxillaryanatomicopposingMandibularshallowcusp
11Ifusingalingualizedposteriortoothform(DentsplyAnatoline)littleornoCurveofWilsonlingualandbuccalcuspsof levelwithplaneofocclusion
12Secondmolarelevatedby~15°fromtheocclusalplane15degrees
13Max.lingualcuspscontactcentralfossae/marginalridge~1mmspacebetweenbuccalcusps
14Maxillarylingualcuspsfirmlycontactbilaterallysimultaneously
15VerifycentricNomax.buccalcuspcontactsin:•Centric•LateralexcursionsCentricPosition
16VerifyexcursivecontactsAnteriorteethareincontactduringlateralexcursionsWorkingExcursions
17NotethebalancingcontactsBalancingExcursions
18EffectofMandibleMovingDownwardDuringExcursions
19
20
21MaintainingBalancingContactsChangeocclusalplaneangleIncreasecompensatingcurvesIncreasecuspangles
22AchievingBalanceCondylarangulationRecordedwithprotrusiverecordCuspangleSelectedbydentist
23AchievingBalanceOcclusalPlaneDeterminedbydentistwithwaxrimsCurveofSpee&CurveofWilsonControlledbyinclinationofteeth
24CheckingforBalanceFeelsSmoooooothinexcursions-FingersonMaxillaryCanines-OnArticulator
25AssessingBalanceJumpsorbumpsareduetocusptipsmovingoverothercusptips,inclines,marginalridges
26OcclusalRefinementOcclusalAdjustment,SelectiveGrindingSetteethascloseto:MaximumintercuspationBalanceAllsetupswillneedsomeadjustment
27‘IIF’RuleIIFyouhavecontactsontheInnerInclinesofFunctionalcuspstheyarebalancingcontacts
28RulesforBalancingContactsBalancingcontactsshouldbelines,notpointsBalancingcontactsshouldneverbeheavierthanworkingcontacts
29FindtheBalancingContact
30FindtheBalancingContact
31WhattypeofContact?
32WhattypeofContact?
33WhattypeofContacts?
34WhattypeofContact?
35AssessContactsCentricStopsExcursions
36Non-Balanced LingualizedOcclusionMaxillaryanatomicopposingmandibularnon-anatomic
37Mortar&pestleocclusionwithoutmaxillarybuccalcuspcontact
38Lackofmandibularcuspanglesandnoattempttobalancetheocclusion
39NocompensatingcurvesNooverbite
40Nooverbite
41MagnitudeofOverjetMoreforClassIIpatientsClassIClassII
42MagnitudeofHorizontalOverlapClassIIIpatientsLittleornooverjetClassIII
43SettingtheposteriorteethTeethshouldendpriortotheascending ramus
44Mandibularteethsettoaflatplaneandontheplaneofocclusion
45Maxillarylingualcuspscontactcentralgroove/marginalridgeoftheopposingteeth
46ThehorizontaloverlapshouldbeidealandshouldbesufficienttopreventbitingofthecheekandcornerofthemouthHorizontaloverlap
47Allmaxillaryteeth,withtheexceptionofthelateralincisorsandcuspids,shouldbeontheplaneofocclusion
48Reestablishcentriccontactsasnecessary
49BalancingRampIfbilateralbalanceisdesiredabalancingrampcanbegenerated
50Inlateralexcursions,atleastthreepointsofcontact(bothbalancingrampsandanteriorincisorcontacts)BilateralbalancewithBalancingRampsWorkingBalancing
51MonoplaneOcclusion
52MonoplaneOcclusionCusplessteeth(0°)onaflatplanewith1.5-2.0 mmoverjetNocusptofossarelationshipNoanteriorcontactsincentricposition
53MonoplaneOcclusionEliminatecuspslateralforcesreducedimprovesstabilitySimplifiestootharrangement
54MonoplaneOcclusionNooverbite(wouldcausetilting)Overjetof2mmisusedtocreateanillusionofoverbite
55MonoplaneOcclusionExcursions-mayormaynotcontactonbalancingsidesDependsoncondylarinclinationandotheraspectsofthetootharrangement
56MonoplaneOcclusionAnteriorteethmakecontactinexcursionsModificationshavebeenproposedtominimizethetiltingpotential:BalancingrampsCompensatingcurves
57MonoplaneOcclusionwithoutcondylarinfluence
58MonoplaneOcclusion
59
60MonoplaneOcclusionAdvantagesTechnicallyeasiertoachieveUsewhen:Difficultyobtainingrepeatablecentricrecords(muscleincoordination)Skeletalmalocclusion(ClassII,III)SevereresidualridgeresorptionReduceshorizontalforces
61MonoplaneOcclusionDisadvantagesPoorerappearanceCanbeunstableifcondylarguidanceissteep(posteriorteethseparate,leavingonlytheanteriorsincontact)
62MonoplaneOcclusionClinicalremountonanarticulatorPracticedoingaclinicalremount
63AdjustingMonoplaneOcclusionMainadjustmentisflatIfheavyprematuritynearfossa,slightlyshallowfossa
