Single Complete Denture
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Single Complete DenturesSingle Complete DenturesSingle Complete DenturesSingle Complete Dentures
Maxillary Single DenturesMaxillary Single DenturesMaxillary Single DenturesMaxillary Single Dentures
More commonMore common Teeth usually lost before Teeth usually lost before
their mandibular antagoniststheir mandibular antagonists
More commonMore common Teeth usually lost before Teeth usually lost before
their mandibular antagoniststheir mandibular antagonists
Mandibular Single DenturesMandibular Single DenturesMandibular Single DenturesMandibular Single Dentures
Avoid when possibleAvoid when possible Severe ridge resorption due to Severe ridge resorption due to
forceforce Stress reduction should be used Stress reduction should be used – Processed resilient denture linerProcessed resilient denture liner– OverdentureOverdenture– Implant retained dentureImplant retained denture
Avoid when possibleAvoid when possible Severe ridge resorption due to Severe ridge resorption due to
forceforce Stress reduction should be used Stress reduction should be used – Processed resilient denture linerProcessed resilient denture liner– OverdentureOverdenture– Implant retained dentureImplant retained denture
Single DenturesSingle DenturesSingle DenturesSingle Dentures
More difficultMore difficult Greater force causes Greater force causes
– DisplacementDisplacement– Fracture due to flexureFracture due to flexure– Severe residual ridge resorption Severe residual ridge resorption
More difficultMore difficult Greater force causes Greater force causes
– DisplacementDisplacement– Fracture due to flexureFracture due to flexure– Severe residual ridge resorption Severe residual ridge resorption
Single DenturesSingle DenturesSingle DenturesSingle Dentures
More difficultMore difficult Tooth malpositions decrease Tooth malpositions decrease
stability (extrusion, tipping, stability (extrusion, tipping, rotation) rotation)
Difficulty balancingDifficulty balancing
More difficultMore difficult Tooth malpositions decrease Tooth malpositions decrease
stability (extrusion, tipping, stability (extrusion, tipping, rotation) rotation)
Difficulty balancingDifficulty balancing
Single Complete DentureSingle Complete DentureSingle Complete DentureSingle Complete Denture
Occlusal adjustment of natural teethOcclusal adjustment of natural teeth– Reduce severe curve of Spee level Reduce severe curve of Spee level
supraeruptionssupraeruptions– Recontour rotated teeth Recontour rotated teeth
to permit contacts on to permit contacts on flat surfacesflat surfaces
Occlusal adjustment of natural teethOcclusal adjustment of natural teeth– Reduce severe curve of Spee level Reduce severe curve of Spee level
supraeruptionssupraeruptions– Recontour rotated teeth Recontour rotated teeth
to permit contacts on to permit contacts on flat surfacesflat surfaces
Single Complete DenturesSingle Complete DenturesSingle Complete DenturesSingle Complete Dentures
– Reduce cusps in shaded area, to level plane of occlusionReduce cusps in shaded area, to level plane of occlusion– Reduce cusps in shaded area, to level plane of occlusionReduce cusps in shaded area, to level plane of occlusion
Mock adjustment can be
performed on a diagnostic cast Mock adjustment can be
performed on a diagnostic cast
Severe Curve of SpeeSevere Curve of Spee
SupereruptionSupereruption
Avoid a Single Denture Against Avoid a Single Denture Against Anterior Teeth AloneAnterior Teeth AloneAvoid a Single Denture Against Avoid a Single Denture Against Anterior Teeth AloneAnterior Teeth Alone
ResorptionResorption LooseningLoosening FractureFracture Combination SyndromeCombination Syndrome
ResorptionResorption LooseningLoosening FractureFracture Combination SyndromeCombination Syndrome
Avoid a Single Denture Against Anterior Avoid a Single Denture Against Anterior Teeth AloneTeeth AloneAvoid a Single Denture Against Anterior Avoid a Single Denture Against Anterior Teeth AloneTeeth Alone
Fabricate a RPD for Stress Fabricate a RPD for Stress DistributionDistribution
Make CD & RPD at the Make CD & RPD at the same timesame time– Ensures optimal occlusionEnsures optimal occlusion
Fabricate a RPD for Stress Fabricate a RPD for Stress DistributionDistribution
Make CD & RPD at the Make CD & RPD at the same timesame time– Ensures optimal occlusionEnsures optimal occlusion
Occlusion RimsOcclusion RimsOcclusion RimsOcclusion Rims Use to establish OVD, Use to establish OVD,
NOT Incisal DisplayNOT Incisal Display Overbite will be Overbite will be
incorporated when incorporated when anterior teeth are set, anterior teeth are set, lengthening incisal lengthening incisal edgesedges
Use to establish OVD, Use to establish OVD, NOT Incisal DisplayNOT Incisal Display
Overbite will be Overbite will be incorporated when incorporated when anterior teeth are set, anterior teeth are set, lengthening incisal lengthening incisal edgesedges
Occlusion RimsOcclusion RimsOcclusion RimsOcclusion Rims
Flat Surface for Flat Surface for Opposing TeethOpposing Teeth– No inclinesNo inclines– If steps in occlusal If steps in occlusal
plane, provide flat plane, provide flat areas for opposing areas for opposing
natural teethnatural teeth
Flat Surface for Flat Surface for Opposing TeethOpposing Teeth– No inclinesNo inclines– If steps in occlusal If steps in occlusal
plane, provide flat plane, provide flat areas for opposing areas for opposing
natural teethnatural teeth
XXXX
Maxillo-Mandibular RelationsMaxillo-Mandibular RelationsMaxillo-Mandibular RelationsMaxillo-Mandibular Relations
Occlusion Rims on RPD Occlusion Rims on RPD framework framework
Opposes CD RimsOpposes CD Rims Centric and eccentric Centric and eccentric
records with Alluwaxrecords with Alluwax Optimizes occlusionOptimizes occlusion
Occlusion Rims on RPD Occlusion Rims on RPD framework framework
Opposes CD RimsOpposes CD Rims Centric and eccentric Centric and eccentric
records with Alluwaxrecords with Alluwax Optimizes occlusionOptimizes occlusion
Maxillo-Mandibular RelationsMaxillo-Mandibular RelationsMaxillo-Mandibular RelationsMaxillo-Mandibular Relations
Crowns or bridges Crowns or bridges should be waxed up should be waxed up against the CD tooth against the CD tooth setupsetup
Optimizes occlusionOptimizes occlusion Ensures, changes can be Ensures, changes can be
mademade
Crowns or bridges Crowns or bridges should be waxed up should be waxed up against the CD tooth against the CD tooth setupsetup
Optimizes occlusionOptimizes occlusion Ensures, changes can be Ensures, changes can be
mademade
Maxillo - Mandibular Maxillo - Mandibular RelationsRelationsMaxillo - Mandibular Maxillo - Mandibular RelationsRelations
Centric RegistrationCentric Registration– CUD usually stableCUD usually stable– Extraoral hand Extraoral hand
position if opposing position if opposing natural dentition (less natural dentition (less obtrusive)obtrusive)
Centric RegistrationCentric Registration– CUD usually stableCUD usually stable– Extraoral hand Extraoral hand
position if opposing position if opposing natural dentition (less natural dentition (less obtrusive)obtrusive)
Setting Anterior TeethSetting Anterior TeethSetting Anterior TeethSetting Anterior Teeth
More difficultMore difficult– Setting for esthetics may Setting for esthetics may
produce excessive overbite produce excessive overbite with natural teeth with natural teeth
– Decreases stabilityDecreases stability– Compromised position, Compromised position,
used to balance need for used to balance need for esthetics & functionesthetics & function
More difficultMore difficult– Setting for esthetics may Setting for esthetics may
produce excessive overbite produce excessive overbite with natural teeth with natural teeth
– Decreases stabilityDecreases stability– Compromised position, Compromised position,
used to balance need for used to balance need for esthetics & functionesthetics & function
Posterior Denture Teeth Posterior Denture Teeth Posterior Denture Teeth Posterior Denture Teeth
Requires more adjustment to Requires more adjustment to obtain stable centric contactsobtain stable centric contacts– Denture teeth will not normally Denture teeth will not normally
articulate well with natural articulate well with natural dentitiondentition
– Pinpoint contacts/inclines, etc.Pinpoint contacts/inclines, etc.
Requires more adjustment to Requires more adjustment to obtain stable centric contactsobtain stable centric contacts– Denture teeth will not normally Denture teeth will not normally
articulate well with natural articulate well with natural dentitiondentition
– Pinpoint contacts/inclines, etc.Pinpoint contacts/inclines, etc.
Tip:Tip:Tip:Tip:
Increase incisal pin 1mmIncrease incisal pin 1mm Set posterior teethSet posterior teeth Let wax hardenLet wax harden Return pin to original Return pin to original
position position Adjust occlusion until pin Adjust occlusion until pin
touches tabletouches table
Increase incisal pin 1mmIncrease incisal pin 1mm Set posterior teethSet posterior teeth Let wax hardenLet wax harden Return pin to original Return pin to original
position position Adjust occlusion until pin Adjust occlusion until pin
touches tabletouches table
Cast Metal Denture BaseCast Metal Denture BaseCast Metal Denture BaseCast Metal Denture Base
Use if denture fractures Use if denture fractures repeatedlyrepeatedly
Usual causes: Usual causes: – Heavy forces from natural Heavy forces from natural
teeth teeth – Occlusal contacts on inclines Occlusal contacts on inclines – Impingement on a bony Impingement on a bony
midline midline • flexing of the dentureflexing of the denture
Use if denture fractures Use if denture fractures repeatedlyrepeatedly
Usual causes: Usual causes: – Heavy forces from natural Heavy forces from natural
teeth teeth – Occlusal contacts on inclines Occlusal contacts on inclines – Impingement on a bony Impingement on a bony
midline midline • flexing of the dentureflexing of the denture
Denture Teeth WearDenture Teeth WearDenture Teeth WearDenture Teeth Wear
More rapid against natural teethMore rapid against natural teeth More frequent recallsMore frequent recalls Adjust occlusion to prevent Adjust occlusion to prevent
changes in stress distributionchanges in stress distribution
More rapid against natural teethMore rapid against natural teeth More frequent recallsMore frequent recalls Adjust occlusion to prevent Adjust occlusion to prevent
changes in stress distributionchanges in stress distribution
Denture Teeth Wear More RapidlyDenture Teeth Wear More RapidlyDenture Teeth Wear More RapidlyDenture Teeth Wear More Rapidly
Never use porcelain denture Never use porcelain denture teeth teeth – Severe attrition of natural teethSevere attrition of natural teeth– Prefer denture teeth to wearPrefer denture teeth to wear
Never use porcelain denture Never use porcelain denture teeth teeth – Severe attrition of natural teethSevere attrition of natural teeth– Prefer denture teeth to wearPrefer denture teeth to wear