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IntroductiontoImplantology
ManojSParmarBDS,MFDS,MJDF,MSc(impl),PGCert(rest),PGCert(MedEd)
Aims
1. Enableyoutoconfidentlyintroducedentalimplantstoyourpractice
1. Establishastudy-clubforyourcontinuedlearning
Objectives
1. Whyimplantsshouldformanintegralpartofyourpractice
2. Anatomyofanimplantanditscomponents
TeethvsImplants
Implantsmustnotberegardedasreplacementsforteethbutameanstorestoreedentulousspaces
Whyintroducetoyourpractice?
1. Predictableformoftreatment2. Developrangeofservicesofferedtopatients3. Medico-legalobligation4. Keeptreatmentin-house5. Additionalincomestream6. Stimulatefurtherlearning7. Increasingpatientdemand8. Unlikelythatasubstitutewilldevelopedinnext10yrs
Concerns
1. Manydentistsplacingimplants2. Limitedexperienceasdentist3. Corporaterunweekendcourses4. Nomentoring5. Lackofevidencebasedlearning6. Poorplanning7. Poorbasicsurgicalknowledge8. Needatoolboxoftechniques
Complications Theidealimplantologist…
…needstobeaprosthodontistwiththesurgicalexpertiseofanoralsurgeonandthe
finesseofaperiodontist
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Everycloud……
GDP’snaturallyhavetheskillsrequiredtoplaceandrestoreimplants.Theyjustneed
tobeappliedinastructuredmanner.
Restoringimplants
Thejourneystartswiththevisualisationandsimulationoftheendresult
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AnatomyofanImplant
ImplantBody
Abutment
Suprastructure
AnatomyofanImplant
ImplantBody
• Numerousmanufacturers• Grade4titanium• Varioussurfacecoatings
AnatomyofanImplant
Abutment
CoverScrew Healingabutment
AnatomyofanImplant
Abutment
• Internalorexternalhex• Differenttypes• Availableinvaryingheightsandwidths
AnatomyofanImplant
Abutment
Cement Retained Restoration Screw Retained Restoration
✓
✓
✓
✓
Direct-Casting
Screw Abutment & Cylinder
Temporary (Ti / Plastic)
CombiDual
Dual Milling
Angled (15° / 25°)
AnatomyofanImplant
Suprastructure
Singletoothcrown
AnatomyofanImplant
Suprastructure
Implantsupportedbridge
AnatomyofanImplant
Suprastructure
Implantsupportedoverdenture
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AnatomyofanImplant
Suprastructure
Fullarchbridge
Assessment&TreatmentPlanning
ManojSParmarBDS,MFDS,MJDF,MSc(impl),PGCert(rest),PGCert(MedEd)
Objectives
1. KnowwhatfactorstoconsiderwhendecidingtokeeporXLAteeth
2. Understandwhenimplanttreatmentmaynotappropriate
3. Highlightwhatinformationisrequiredfromtheassessmentandwhy
Periodontitis
1. Gingivitis–virtuallyeveryone2. Perio–10-15%ofpopulation3. BalancebetweenBiofilm(20%)andHostResponse(80%)4. AimofRx-<biofilm&<hostresponse5. PerioisnotC/Itoimplantplacementprovidedthat?
1. Perioistreated2. Pthasgoodplaquecontrol3. Maintenanceprotocolisinplace4. Surgicalandrestorativedentistryisofhighquality
Periodontitis
1. Survivalratesoffixedprosthesissupportedbyseverelyreducedbuthealthyperiodontium–systematicreview.(Lilacetal,2007)1. 96.4%at5yrs2. 92.9%at10yrs
2. XLAif>70%boneloss–atptsrequest
Periodontitis
1. Ifthereissufficientboneheightandwidthtoplaceimplantevenafterboneloss–treatperioandmonitor
2. Iffurtherbonelosswouldcomplicatefutureimplanttreatment–considerextraction
3. Iffurtherbonelosswillnotalterthetreatmentforanimplant–considerkeepingthetooth
Periodontitis
1. Canfurtherbonelosscompromisetheabilitytoplaceanimplantinthefuture?
2. Canfurtherbonelosscompromisetheaestheticsofanimplantrestorationinfuture?
3. Aretheteethfunctionallyacceptable?4. Canthisberesolved?5. Cantheperiobetreated?
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Endodontics
• Atoothwithagoodrootfillinghasasimilarprognosistoanimplant
• Restorativefactorswillinfluencethechoice• Implantsmayhaveahighersurvivalthanteethrequiring
difficultendodontics:• FailedRCT• Overfilledcanals• Apicallesions
• Outcomewillalsobedependentonwhodoestheendo
PostvsImplant
• Complications–10%• Postshorterthancrown• <1-2mmferrule• Thindentinewalls• Occlusion• Ptpreference• Canalwaysdoimplantfollowingfailureofpost/crown
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Faileddentition
• Inthepresenceofextensivefailureonteeth,implantsmaybetheonlyoptionforfixedrestorations
• Assesstheadjacentteethnotjustthespaces
RationaleforImplants
1. Preservationoftoothstructure2. Preservationofbone3. Provisionofadditionalsupport4. Resistancetodisease
Age
• Agedoesnotprecludetreatment• MHassociatedwithagingmight• >cariesriskinagingpopulation• Nocariesriskwithimplants
• Implantsshouldnotbeplacedbefore18yrsofageinmales
• 16yearsofageinfemales
Diabetes
• Impairedwoundhealing• Notusuallyaproblemincontrolleddiabetics• Hb1ac
Bleeding
1. Dyscrasias1. Heamophillia2. VonWillebrands3. Liverdamage(alcoholics)
2. Warfarin–INR<4
3. Anti-platelet–Asprin,Clopidogrel,dualtherapycanbeproblem
Smoking
Affectsperioandimplants.Notethatifperiofailsimplantscanbeconsidered,however,ifimplantfailsperiocannotbeconsidered
Lotsofstudies–BainandMoy(1993)landmarkpaper
Failurerelativetotheamountsmoked
Roughlydoublestherateoffailure
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Bisphosphonates
OralPriortotaking–teethorimplantsUpto3poss5yrsoftaking–teethorimplants>5yrs–saferonteeth
IVPrior–teethorimplantsAfter-teeth
Cancer
• Mostpeoplewithcancerwillnotevenconsidertreatment!!
• Defertreatmentforatleast6monthsafterchemo
• >riskofosteoradionecrosis.Waitatlease12monthsandeventhenseekopinionfromradiologistandmaxfaclead.
Localfactors>failures
1. Contaminationofimplantatplacement2. Poorinitialstability3. Placementinpreviouslyirradiatedbone4. Placementinareaofinfection5. Placementinpreviouslygraftedbone6. Placementwithsimultaneousgrafting7. Subjectedtoearlyloading8. Overheatingoftheboneduringsurgicalpreparationofsite9. Injurytotheadjacentperiodontalligamentofaneigbouring
tooth
ClinicalExamination
1. Access2. Restorativevolumeavailable3. Bonevolumeavailable4. Anatomicalhazards5. Restorations6. Occlusalfactors7. Periodontalandhygiene8. Softtissuesandlipline
2.Restorativevolume
1. Numberofmissingteeth2. Spaceclosureasaresultofdrifting/tilting3. Overeruption4. Spacingformultipleunits
3.BoneVolume
1. Boneresorption–patternofresorptionmandibleandmaxilla
2. Adequateheight:1. ballbearing5mmonplainfilmorOPG
3. Adequatewidth:1. ridgemapping–sharpenedperioprobe,calipers2. CBCT
4. Angulationinanteriormaxilla
4.Anatomicalhazards
1. Mandible:1. IDN2. Mentalforamen3. Mylohoidridge4. Floorofmouth
2. Maxilla:1. Sinus2. Palatalarteries
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5.Restorations
1. Doafullchart2. Diagnosisandprognosisofeverytooth3. Vitality4. BWs–cariesandbonelevels5. PA’s–LEO’s
6.Occlusion
1. Isthereadequateposteriorsupport?2. Isthereevidenceofparafunction?3. IsthereTMJDS?4. Interferences?5. Lookatarticulatedcasts6. Nonegativelinkbetweenocclusionandimplantsbut
needstobemanagedcarefully.Teethmove,implantsdonot.
7.Perio
1. NeedBPE2. DPCforcode3andabove3. Mustbetreatedandmaintainedbeforeimplant
treatment4. Smokingandperio–NOIMPLANTS5. Willproceedtoperi-implantitis6. Willbelargestareaoflitigationinimplantdentistry
8.SoftTissueAssessment
1. Pathology2. Gingivalbiotype3. Papillae4. Keratinisedtissuevsnon-keratinised5. Grafting6. Denturebearingareas–candida
Radiographs
1. OPGmagnifybyapprox20%2. PA’smoreaccurate3. Use5mmballbearingtocalibrate4. Actualamountofbone=(boneonimagex5mm)/
diameterofballbearingonimage5. CBCTnecessaryformoredetailedinfoondepth
Photographs
1. Veryusefulfortreatmentplanningandcommunication
2. Usefulforrecordkeeping3. Excellentforreflectionandlearning4. UseSLRwithmacrolensandringortwinflash5. Usemobilephone–betterthannothing
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Typeofcase
1. Aestheticzone2. Posteriorzone3. Edentulousmaxilla4. Edentulousmandible
TreatmentPlanningintheAestheticZone
ManojSParmarBDS,MFDS,MJDF,MSc(impl),PGCert(rest),PGCert(MedEd)
Aim
Tohaveanimprovedunderstandingofthefactorsinvolvedwhenplanningimplanttherapyinthe
anteriormaxilla.
Objectivesfortoday
1. Assessmentoftheedentuloussite
2. Surgicalconsiderationsforaestheticoutcome
3. Restorativeconsiderationsforaestheticoutcome
4. Managingpatientexpectations
Assessment
1. Heightoflipline2. Gingivalbiotype3. Shapeofmissingandsurroundingteeth4. Infectionatimplantsiteandbonelevelatadjacent
teeth5. Restorativestatusofadjacentteeth6. Characteroftheedentulousspace7. Widthofhard&softtissuesinedentulousspace8. Heightofhard&softtissueinedentulousspace
Assessment
Low:Cannotseegingivae.Usuallyseelowerteeth.
MediumDisplaymostofmaxillaryteeth.Verylittlegums.
HighDisplaymaxillaryteethinfull,includinggingivalprofile.
Assessment Assessment
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Assessment Assessment
Assessment Assessment
Assessment
1. Heightoflipline2. Gingivalbiotype3. Shapeofmissingandsurroundingteeth4. Infectionatimplantsiteandbonelevelatadjacent
teeth5. Restorativestatusofadjacentteeth6. Characteroftheedentulousspace7. Widthofhard&softtissuesinedentulousspace8. Heightofhard&softtissueinedentulousspace
Assessment
ThickResistanttorecession,increasedriskofscarring,bluntpapillae,canmaskunderlyingmetal.
MediumIn-betweenthickandthin
ThinCangetexcellentresultsifadjacentteethhavegoodbonelevels,friabletissue,recessionprone
Assessment Assessment
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Assessment Assessment
1. Heightoflipline2. Gingivalbiotype3. Shapeofmissingandsurroundingteeth4. Infectionatimplantsiteandbonelevelatadjacent
teeth5. Restorativestatusofadjacentteeth6. Characteroftheedentulousspace7. Widthofhard&softtissuesinedentulousspace8. Heightofhard&softtissueinedentulousspace
Assessment
Assessment
1. Heightoflipline2. Gingivalbiotype3. Shapeofmissingandsurroundingteeth4. Infectionatimplantsiteandbonelevelatadjacent
teeth5. Restorativestatusofadjacentteeth6. Characteroftheedentulousspace7. Widthofhard&softtissuesinedentulousspace8. Heightofhard&softtissueinedentulousspace
Assessment
• Chronicapicalinfections
• Acuteinfections
• Bonelossonadjacentteethdeterminespapillaheight
• Blacktriangle
Assessment Assessment
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Assessment
1. Heightoflipline2. Gingivalbiotype3. Shapeofmissingandsurroundingteeth4. Infectionatimplantsiteandbonelevelatadjacent
teeth5. Restorativestatusofadjacentteeth6. Characteroftheedentulousspace7. Widthofhard&softtissuesinedentulousspace8. Heightofhard&softtissueinedentulousspace
Assessment
Healthyadjacenttooth=predictableresult
Assessment
1. Heightoflipline2. Gingivalbiotype3. Shapeofmissingandsurroundingteeth4. Infectionatimplantsiteandbonelevelatadjacent
teeth5. Restorativestatusofadjacentteeth6. Characteroftheedentulousspace7. Widthofhard&softtissuesinedentulousspace8. Heightofhard&softtissueinedentulousspace
Assessment
• Goodaestheticoutcomewithsinglemissingteeth
• Multipleadjacentmissingteethposegreaterchallengeduetolackofinterdentalboneandthereforepapilla
• Implant-implant• Implant-tooth• Implant-pontic• Pontic-pontic• Tooth-tooth• Tooth-pontic
Assessment Assessment
Assessment Assessment
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Assessment Assessment
1. Heightoflipline2. Gingivalbiotype3. Shapeofmissingandsurroundingteeth4. Infectionatimplantsiteandbonelevelatadjacent
teeth5. Restorativestatusofadjacentteeth6. Characteroftheedentulousspace7. Widthofhard&softtissuesinedentulousspace8. Heightofhard&softtissueinedentulousspace
Assessment
• Tissuedeficienciesinthehorizontalplanecanposeaesthetictreatmentrisk.
• Ifthedefectisrestrictedtothehorizontaldimensionandotherconditions,suchasperiodontalandrestorativestatusofadjacentteetharesatisfied,thensiteenhancementispredictable.
Assessment
Assessment
• Willgethorizontalbonelossfollowingtoothloss• AtraumaticXLAimportant–preservebuccalplate• Chronicinfections–fenestrationsanddehiscence's• Immediateplacementdoesnotpreventboneloss• Thinridgemayleadtodeeperplacement• GBRonalmostallanteriorplacements• CTGmayalsoberequired
Assessment
1. Heightoflipline2. Gingivalbiotype3. Shapeofmissingandsurroundingteeth4. Infectionatimplantsiteandbonelevelatadjacent
teeth5. Restorativestatusofadjacentteeth6. Characteroftheedentulousspace7. Widthofhard&softtissuesinedentulousspace8. Heightofhard&softtissueinedentulousspace
Assessment
• Lossofverticalheightisthegreatestchallenge• CannotPREDICTABLYreplace• Highaestheticriskespwithhighlip-line• Mayrequireonlayblockgraft• Mayneedpinkporcelainorlongercrown• Ptexpectationsmustbemanaged• Palatalboneheightisthedeterminingfactor
Assessment
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Surgicalconsiderations
1. Flapdesign2. Implantsize3. Correct3Dpositioning4. Timing5. GBR
Surgicalconsiderations
1. Flapdesign2. Implantsize3. Correct3Dpositioning4. Timing5. GBR
Surgicalconsiderations
3sidedflap2sidedflapCurvilinearflap
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Surgicalconsiderations
1. Flapdesign2. Implantsize3. Correct3Dpositioning4. Timing5. GBR
Surgicalconsiderations
Avoidtheuseofwideneckimplantsintheanteriormaxillabecausetheshouldermarginislikelytobelocatedtooclosetotheadjacentteethortoofar
buccally.
Surgicalconsiderations
1. Flapdesign2. Implantsize3. Correct3Dpositioning4. Timing5. GBR
Surgicalconsiderations
Theplacementofanimplantinthecorrectthree-dimensionalpositionisoneofthekeyconsiderationsinachievinganaestheticoutcome.
Thethree-dimensionsare:1. Mesiodistal2. Bucco-palatal3. Coronoapical
Surgicalconsiderations
Mesiodistal
Surgicalconsiderations
Buccopalatal
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Surgicalconsiderations
Coronoapical
3mm
Surgicalconsiderations
1. Flapdesign2. Implantsize3. Correct3Dpositioning4. Timing5. GBR
Surgicalconsiderations
RationaleforImmediateplacement:
• Reducestreatmenttime• Fewersurgicalprocedures• Noneedtoraiseflap• Preservationofbuccalplate?
Surgicalconsiderations
But:
• Moretechnicallydemandingimplantplacement• Cannotclosethesocketthusneedtemprestoration• Managingthegapbetweentheimplantandbone• Stillgetboneloss.• >2mmgapGBR
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Surgicalconsiderations
1. Flapdesign2. Implantsize3. Correct3Dpositioning4. Timing5. GBR
Surgicalconsiderations
• Resorptionwillcontinueovertime
• Ageofpatient
• Ideallyneed2mmofbuccalbone-rare
• Augmenteverycase?
• Choiceofbiomaterials
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Restorativeconsiderations
1. Interimrestorations2. Provisionalimplantcrown3. Abutmentselection4. Crownselection
Restorativeconsiderations
1. Interimrestorations2. Provisionalimplantcrown3. Abutmentselection4. Crownselection
Restorativeconsiderations
1. Interimrestorations2. Provisionalimplantcrown3. Abutmentselection4. Crownselection
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Restorativeconsiderations
1. Interimrestorations2. Provisionalimplantcrown3. Abutmentselection4. Crownselection
Restorativeconsiderations
1. Interimrestorations2. Provisionalimplantcrown3. Abutmentselection4. Crownselection
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PatientExpectations
1. Recentriseinpublicawarenessofimplanttherapy2. Mostpatientsunawareofwhattheprocessentails3. Wealthofinfooninternet,someofitmisleading4. Samedayteeth!5. Determinept’sultimatedesiresattheconsultation6. Focuson3aspects:
1. Form2. Function3. Aesthetics
PatientExpectations
FORMa. canthespaceberestoredatall?b. areorthodonticorrestorativeprocedures
requiredbeforeimplanttherapy?c. usediagnosticwax-upsandphotographsto
visualizethecased. thiswillprovideusefulinfoontheamountofhard
andsofttissuesupport
PatientExpectations
FUNCTION
a. occlusalevaluationb. restorativevolumec. diagnosticwax-up
PatientExpectations
AESTHETICS
a. whatarethept’sexpectations?b. aretheyrealistic?c. Howcanyouavoiddisappointment?
PatientExpectations
UNDERPROMISE&OVERDELIVER
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ImplantImpressions
ManojSParmarBDS,MFDS,MJDF,MSc(impl),PGCert(rest),PGCert(MedEd)
Aim
Teachtheskillsrequiredtotakeanimplantlevelimpressionandfitasingleunitrestoration
Objectives
1. OverviewoftheDentiumsystemandcomponents2. Restorativearmentarium3. Impressionmaterials&trays4. Restorationchoice5. Abutmentchoice
Restoringimplants
Beginwiththeendinmind
Dentium
1. Koreansystem2. Establishedin20003. HasownR&Dcenter4. Worldwidedistribution5. Rangeofimplantsystems6. www.dentium.com
SuperLine–keyfeatures
1. Taperedimplant2. SLAsurface3. Idealthreadpitchanddepth4. Comprehensivesizerange5. Bonelevel6. Conical-hexinternalconnection7. Sameinternalconnectionforall
implants
WhyIuseSuperline
1. Easysystemtouse2. Taperedimplant3. Greatprimarystability4. Sameinternalconnectionforallimplantsizes5. Limitedstockofprostheticcomponentsrequired6. Costeffective7. Goodsupportnetwork
Internalconnection
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Emergenceprofile
Thecontoursofthetooth/crownastheytraversethesofttissuetowardsthecontactpointinterproximally,faciallyand
palatally.
Emergenceprofile
Emergenceprofile Emergenceprofile
Restoringasingleimplant
1. Armentarium2. Takingimpressions–materialchoice&trayselection3. Impressioncopingselection4. Abutmentselection5. Fitting
Restoringasingleimplant
1. Armentarium2. Takingimpressions–materialchoice&trayselection3. Impressioncopingselection4. Abutmentselection5. Fitting
ProstheticsKit ProstheticsKit
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ProstheticsKit Restoringasingleimplant
1. Armentarium2. Takingimpressions–materialchoice&trayselection3. Impressioncopingselection4. Abutmentselection5. Fitting
Trayselection Impressionmaterials
Impressionmaterials Impressionmaterials
Restoringasingleimplant
1. Armentarium2. Takingimpressions–materialchoice&trayselection3. Impressioncopingselection4. Abutmentselection5. Fitting
Impressioncopingselection
• Opentraytechnique(pick-upimpressioncoping)• Closedtraytechnique(transferimpressioncoping)
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Closedtraytechnique-transfer Opentraytechnique–pick-up
Restoringasingleimplant
1. Armentarium2. Takingimpressions–materialchoice&trayselection3. Impressioncopingselection4. Abutmentselection5. Fitting
Abutmentselection
ConsiderationsinAbutmentSelection
1. Aestheticrequirement2. Implantangulation3. Implantlocation4. Interarchdistance5. Prosthesistype6. Dentist&Technicianpreference
ScrewvsCement
ScrewRetainedProsthesis1. Retrievable2. Canplacemarginmoresub-
gingivally3. Nomicrogapbetween
abutmentandrestoration4. Canmoldsofttissuesbetter5. Easiertoensureseatof
restoration6. Accurateimplantplacement7. Increasedcost
Cementretainedprosthesis1. Lessdemandingofimplant
placement2. Marginsneedtobemoresupra-
gingival3. Novisibleaccesshole4. Moredifficulttocreate
emergenceprofile5. Riskofperi-cementitis6. Cheaperthanscrewretained
Restoringasingleimplant
1. Armentarium2. Takingimpressions–materialchoice&trayselection3. Impressioncopingselection4. Abutmentselection5. Fitting
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FitappointmentCementRetainedProsthesis
1. Removehealingabutment2. Positionabutmentusingjig3. Ensurehexisengaged4. Torqueintoplaceto30Ncmwaitandthenre-torque5. Trythecrownandcheckfitandocclusion6. SealabutmentaccesswithcottonorPTFEandcomposite7. Cementcrown&meticulouslyremoveexcess8. TakePAtocheckforseatandanyremainingexcesscement
Fitappointment
ScrewRetainedProsthesis
1. Removehealingabutment2. Positionrestorationandensurehexisengaged3. TakePAtocheckseat4. Torqueintoplaceto30Ncm,waitfewminsandre-torque5. SealabutmentaccesswithcottonorPFEandcomposite6. Checkstaticanddynamicocclusion7. TakePAtocheckfit
Restoringasingleimplant Restoringasingleimplant-imps
Abutmentin-situ Abutmentremoved Impressioncoping Impressionwithcoping
Restoringasingleimplant-lab
Modelwithanalogue
Abutmentin-situ Abutmenttransferjig
Finalcrown
Restoringasingleimplant-fit
H/Aremoved Abutmentlocationwithjig
Abutmentin-situ Finalcementedcrown
Restoringasingleimplant
TreatmentPlanninginthePartiallyDentate
ManojSParmarBDS,MFDS,MJDF,MSc(impl),PGCert(rest),PGCert(MedEd)
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Aim
Tohaveanappreciationofthefactorsinvolvedwhendecidingonthenumber,sizeandpositions
ofimplantsinthepartiallydentate.
Considerations
1. Availablebone2. Bonequality3. Softtissueaesthetics4. Loading/occlusion5. Cost
Implantsize
1. Toothsize2. Distancefromadjacenttooth/implant3. Amountoffacialbone4. Amountofinterdentalbone5. Loadingforces
Implantsize
Horizontaldefectaroundimplantofapproximately0.5mm–1.4mm
Classificationofspaces
1. Singletoothspace
2. Multipletoothspace• shortedentulousspaces• extendededentulousspaces
1. Edentulousarch
Classificationofspaces
1. Singletoothspace
2. Multipletoothspace
1. Edentulousarch
Singletoothspace
KeyPoints:• Keepdistanceof1.5mm
betweenshoulderofimplantandadjacentteeth
• SelectimplantaccordingtoM-DandB-Lspaceavailable
• Widthofimplanttoreflectthesizeofthetoothitisreplacing
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Classificationofspaces
1. Singletoothspace
2. Multipletoothspace
1. Edentulousarch
Multipletoothspaces
1. Shortspan:a. 2adjacentmissingteethb. 3adjacentmissingteeth
2. Extendedspan:a. 4missingteethb. morethan4missingteeth
Multipletoothspaces
2missingteeth
Keypoints:• Keepdistanceof1.5mm
betweenshoulderofimplantandadjacentteeth
• Minimumof3mmbetweenimplants
Multipletoothspaces
2missingteeth–options
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Multipletoothspaces
3missingteethKeypoints:• Usuallyonly2implants
required• F/Fconfigurationideal• orcantilever• or3individualorsplinted
crownsifusingshortimplants(<8mm)
Multipletoothspaces
3missingteeth–options
Fixed-Fixed Cantilever 3Shortimplants
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Multipletoothspaces
4(+)missingteethKeypoints:• Notalwaysnecessaryto
replacealltheteeth• 2implantsenoughinanterior
sextant• 2-3implantsintheposterior
sextant• Startwithpre-determined
prostheticplan
Multipletoothspaces
4Missing–Anterior
• Incentralsposition• Inlateralsposition• Everyothertooth
withonecantilever• Oneimplantfor
eachtooth
Multipletoothspaces
4Missing–Anterior
• Incentralsposition• Inlateralsposition• Everyothertooth
withonecantilever• Oneimplantfor
eachtooth
Multipletoothspaces
4Missing–Anterior
• Incentralsposition• Inlateralsposition• Everyothertooth
withonecantilever• Oneimplantfor
eachtooth
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Multipletoothspaces
4Missing–Anterior
• Incentralsposition• Inlateralsposition• Everyothertooth
withonecantilever• Oneimplantfor
eachtooth
Multipletoothspaces
4Missing–Posterior
Decideonhowmanyteethneedreplacing
1.Premolaronly
Multipletoothspaces
4Missing–Posterior
Decideonhowmanyteethneedreplacing
2.Firstmolar
Multipletoothspaces
4Missing–Posterior
Decideonhowmanyteethneedreplacing
3.Secondmolar
Multipletoothspaces
4Missing–Posterior
Exampleconfigurations
Maxilla2implantsinfirstpremolarandfirstmolarregionavoidingthesinus
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Multipletoothspaces
4Missing–Posterior
Exampleconfigurations
Maxilla3implantsinfirstpremolar,secondpremolarandsecondmolarregionwithsinusaugmentation
Multipletoothspaces
4Missing–Posterior
Exampleconfigurations
Mandible2implantsinfirstpremolarandsecondmolarsites
Multipletoothspaces
4Missing–Posterior
Exampleconfigurations
Mandible2implantsinsecondpremolarandsecondmolarsitewithcantilevertoavoidmentalforamen
Multipletoothspaces
4Missing–Posterior
Exampleconfigurations
Mandible3implantswithsecondmolarasaseparateunitand3unitshortspanbridge
Classificationofspaces
1. Singletoothspace
2. Multipletoothspace
1. Edentulousarch
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TreatmentPlanningfortheEdentulous
ManojSParmarBDS,MFDS,MJDF,MSc(impl),PGCert(rest),PGCert(MedEd)
Aim
Identifytreatmentoptionsfortheedentulousarchesanddiscusshowtotheselectthemost
appropriatesolutionforyourpatient
Considerations
1. Thechanginganatomyofthemaxillaandmandiblepostextraction
2. Problemsencounteredwhentreatingtheedentulousarches
3. Treatmentgoals4. Identificationoftreatmentoptions5. Principlesoftreatmentplanning6. Treatmentsequence7. Costs
Anatomicalchangesinedentulousjaws
• Maxillaeresorbsuperiorly,posteriorlyandmedially
• Mandiblesresorbinferiorly,anteriorlyandlaterally
• Neteffectisthatyouendupwithaclass3relationshipbetweenthejaws
Anatomicalchangesinedentulousjaws Anatomicalchangesinedentulousjaws
Problemsinthemaxilla
Bonequality
Problemsinthemaxilla
Bonequantity
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Problemsinthemaxilla
MaxillarySinus
Problemsinthemaxilla
Domeshape
Problemsinthemandible
Bonequality
Problemsinthemandible
Bonequantity
Problemsinthemandible
IDN
Problemsinthemandible
Jawfracture
Problemsinthemandible
Mentalforamenandanteriorloop
Problemsinthemandible
Mylohyoidridge
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Treatmentgoals
1. Improvedfunction–chewing
2. Aesthetics–Smileline,lipcontours,pink&white
3. Speech–Palatalcontourandpositionofteeth
4. SelfConfidence–Retentionandstability
ProstheticDecisions
Treatmentoptions-overview
1. Removablesolutions:a. ConventionalF/Fb. ImplantretainedO/Dc. Miniimplants
2. Fixedsolutions:a. Ceramo-metalbridge(s)b. Hybridbridgec. All-on-4d. Zygomaticimplants
Treatmentoptions-mandible
Formandible:McGillConsensusStatement2000states“themandibulartwo-implantoverdenturewasthefirst-choiceminimally-invasivetreatmentchoiceforedentulouspatient”.
Treatmentoptions-maxilla
• Maxillamuchmorecomplexanddecisionmakingcanbequiteconfusing.
• Decisionsinclude:• FixedvsRemovable• Correctnumberandpositionsofimplants• Oneunitbridgevssegmentedbridge• Materials
Overdentures
• Notafall-backsolution• Indicatedwhensubstantialresorptionhasoccurred• Moreflexibleimplantplacement• Easiertoclean• Mostaffordable• Easiesttorepairorrenew• Butstillaremovableprosthesis
Overdentures
• 2implantsinmandible:inter-foramina• 4implantsmaxilla:anteriortosinus• GoodAPspread–minimisecantileveringforces• Minimisedivergencetoavoidtheneedtouse
bars• Locators/Kerratorsprovideexcellentretention
andserviceability• Angledversionsavailabletocorrectminor
discrepanciesinangulation
Overdentures
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Overdentures Overdentures
Ceramo-metalbridge
• Excellentaestheticresultespeciallywhenbonelossisminimal
• Lessflexibleimplantpositions• Moretechnicallydemanding• Longertreatmenttime• Mostexpensivesolution• Moredifficulttorepair/renew• Moredifficultforpatientstokeepclean
Ceramo-metalbridge
• 6-8implantsinthemaxilla–dependingonbridgedesign
• 4-6implantsinmandible–mayneedtocantilever• Bridgecanbeonepieceorsegmented• Severalbridgedesignoptions
Maxilla–8implantswithsegmentedbridge Maxilla–6axialimplants
Mandible–6implantswithsegmentedbridge HybridBridge
• 4axialimplantsinmandible• 6axialimplantsinmaxilla• Limitedbyanatomicalstructures• Supra-structurehasmetalsub-framewhichis
thenlayeredwithcompositeorcanusedentureteethandpinkacrylic
• Goodsolutionformoderatebonelosscases
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HybridBridge
• Offerstheadvantageofafixedsolutionwhilstbeingabletoreplacehardandsofttissuealso
• Canusuallybesupportedbyfewerimplantsthanfixedceramo-metal
• Canberepairedrelativelyeasilybutwillneedreplacingin5-10years
• Canachieveexcellentaesthetics• Moreaffordableforpatientthanceramo-metal
bridge
Maxilla–6axialimplants
Maxilla–6implantswithcantilever Mandible–4implants
All-on-4
• Indicatedwherestraightimplantscannotbeplacedparalleltoeachother.4implants
• Toavoidsinusaugmentation,implantscanbepositionedandtiltedanteriortotheanteriorsinuswall
• Toavoidaugmentationproceduresinatrophicmandibles,theimplantscanbepositionedandtiltedanteriortothementalformen
• Canbeimmediatelyloadedifconditionsarefavourable
Maxilla–4tiltedimplants
Patientfactors
1. Aetiologyoftoothloss2. Maybepartiallydentatewithsomegoodteeth3. Howlonghasthepatientbeenedentulous4. Hardandsofttissueloss5. Palatalcoverage6. Availabilityfortreatment7. Finances
Principlesoftreatmentplanning
1. CorrectIncisaledgeposition• Determinestoothdisplay• Occlusalplane• Speech–F&Vsoundsvermillionborder• OVD
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Principlesoftreatmentplanning
2. Cervicaledgeposition:• Averagecentralincisoris10.5mminlengthand8.5mm
width• Thisthenleavesthegapbetweenthecervicalmarginand
theresidualridge• Decisionsneedtobemadewhethertofillthisspacewith
pinkacrylic/composite/porcelainormaketheteethlonger.Thisdependson…......
Principlesoftreatmentplanning
3. Maxillarylipposition:• Positionoftheupperlipinmaximumsmile• Averagesmiledisplays75-100%oftooth• Highliplinedisplays100%oftoothandgingiva• Willthejunctionbetweenprosthesisandresidualridge
(PTJ)bevisible–gummysmile?• Howcanthisbehidden?
Principlesoftreatmentplanning
4. Gingivaldisplay-gummysmilecausedby:a. Verticalmaxillaryexcessb. Dento-alveolarextrusion(class2divII)c. Passivedento-alveolarcompensationd. Hyper-mobilelip
Solutions:1. LeFort1osteotomyoralveolopasty2. Matchthepinkacrylic/compositetothemucosa3. Botox
Treatmentsequence–partiallydentate
1. DecisiontokeeporXLA2. Theremainingteethcanbeusefulfor:
a. ProvidingocclusalstopsandinfoonOVDb. Infoonincisaledgepositionc. Infoontoothinclinationsd. Infoontoothformandshadee. ServingasabutmentsfortemporarybridgeworkorP/
whilstwaitingforimplantstointegrate
Treatmentsequence–edentulous
1. CreateconventionalF/Fwithidealtoothpositionsandoptimumaestheticoutcome• Inptswithmildtomoderateboneloss,thisshouldbe
performedwithouttheanteriorlabialflangetovisualisetoothpositionsinrelationtoridge
• Inptswithsignificantatrophy,thedentureteethwillgenerallybepositionedmoreanteriorandinferiortoridgeandthusflangeandbaseplatereq
TreatmentPlanning–edentulous
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Treatmentsequence–edentulous
2. Thisthenbeusedtocreate:• Theinterimprosthesis• Radiographicstent• Surgicalguide
3. TakeaCBCTwiththeradiographicstenttoestablishbonevolume
Treatmentsequence–edentulous
4. Decideonprostheticsolutionbasedon:• Tissuereplacementrequired(pink&white)• Availabilityofboneandneedforgrafting/sinuslift• Numberofimplants• Ptsfinances
Costs
1. Planningtimeandwax-upsx£?2. CBCTimaging,radiographicandsurgicalstents-£2503. GuidedsurgeryincCBCT-£5004. NumberofImplantsx£10005. Overdenturex£20006. Hybridx£60007. Ceramo-metal-£10,000plus8. Mustdiscusslabcostswithtechnicianbeforequoting
FeesPlanning
ManojSParmarBDS,MFDS,MJDF,MSc(impl),PGCert(rest),PGCert(MedEd)
Feesplanning
SurgicalFees
Procedure Fee
Implantplacement £1000
Augmentation £295
Crestalsinuslift £295
Lateralwindowsinuslift £795
Blockbonegraft From£1000
Incpost-opcare,secondstagesurgery,coverscrew/healingabutment
Feesplanning
ProstheticComponentsandLabcosts
Restoration Fee
Cementretainedbondedcrown £290
Screwretainedbondedcrown £290
Bondedporcelainpontic £140
Zirconiaabutment&Emaxcrown £395
Temporaryabutment&crown From£100
Preciousmetal £rate/gram
Incanalogue,abutmentsandcrownwithnon-preciousmetal
Feesplanning
Illustration
PtCharge
£1800
Surgery
£1000
Prosthetics
£300
PROFIT
£500
TimeSpent1hour
Singleunitbondedcrown
Referralprocess
1. Sendemailto: [email protected],xraysandclinicalphotos
2. Sendletterto: 208SwanshurstLane,Moseley,Birmingham.B130AW
3. SendSMSto: 07958424643
4. Visitwebsite: www.aidp.co.uk
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Professionalcodeofconduct
Ourpledgetoyou:
1. Wepromisetoreturnyourpatientbacktoyouafteryourreferral2. WepromisetodevelopyourskillwhileatthesametimeyouearnCPD
hours3. Wepromisetosupportandmentoryouwithourteam4. Wepromisetoinvolveyouindecisionmakingwithyourpatient5. Wepromisetolookafteryourpatientandoffertheverybestcarefor
them
Whyintroducetoyourpractice?
1. Additionalprofessionalskills–increasedconfidence2. Professionalservicesforpatients3. Norisk–NoCapEx,Expertisewithoutcost4. Turn-keysupport–you’reinsafehands5. CPDStudygroup–twobirdswithonestone6. Easyprofits–Idoallthework!
Leadingmentoringsupportinafriendly,informalandsafeenvironment
Summary&Actionplan
1. Extractioninformationleafletwithoptionstorestoreedentulousspaces
2. Lookforasimplefirstcase–premolar/molar3. Letsgetstarted!!!
THANKYOUFORLISTENING
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