Precision Attachments in Prosthodontics_ Orthodontics Short Term Cour…

3/10/2015 Precisionattachmentsinprosthodontics/orthodonticsshorttermcour

http://www.slideshare.net/indiandentalacademy/precisionattachmentsfinal2 1/41

HomeExploreSearchYou

slideshare

UploadLoginSignup

Search

HomeLeadershipTechnologyEducationMarketingDesignMoreTopics

SearchYourSlideShareisdownloading.



Yourcountrycode

PornographicDefamatoryIllegal/UnlawfulSpamOtherViolations

ThanksforflaggingthisSlideShare!

Oops!Anerrorhasoccurred.

4of95

IntroducingtheofficialSlideShareapp

Stunning,fullscreenexperienceforiPhoneandAndroid

Textthedownloadlinktoyourphone

YourphonenumberSendLink

Standardtextmessagingratesapply

Precisionattachmentsinprosthodontics/orthodonticsshorttermcourses724views

Indiandentalacademy(3381SlideShares)Follow0401

PublishedonAug11,2014

IndianDentalAcademy:willbeoneofthemostrelevantandexcitingtrainingcenterwithbestfacultyandflexibletrainingprogramsfordentalprofessionalswhowishtoadvanceintheirdentalpractice,OfferscertifiedcoursesinDentalimplants,Orthodontics,Endodontics,CosmeticDentistry,ProstheticDentistry,PeriodonticsandGeneralDentistry.



Publishedin:Education

0Comments2LikesStatisticsNotes

FullNameCommentgoeshere.12hoursagoDeleteReplySpamBlockAreyousureyouwanttoYesNoYourmessagegoeshere

Shareyourthoughts...Post

Bethefirsttocomment

TsungYuYang,at1monthago

ZouhaBaratdentistryalbaath2monthsago

NoDownloadsViewsTotalViews724OnSlideshare0FromEmbeds0NumberofEmbeds0ActionsShares5Downloads1Comments0Likes2Embeds0Noembeds

ReportcontentFlagasinappropriateCopyrightComplaintNonotesforslide

Transcript

1.www.indiandentalacademy.comwww.indiandentalacademy.com2.PRECISIONATTACHMENTSINDIANDENTALACADEMYLeaderincontinuingdentaleducationwww.indiandentalacademy.comwww.indiandentalacademy.comwww.indiandentalacademy.com3.CONTENTSIntroductionHistoryDefinitionandsynonymsofattachmentsClassificationIndications/ApplicationsofprecisionattachmentsContraindicationAdvantagesDisadvantagesSelectionoftheabutmentteethRequirementoftheabutmentteethSelectionoftheretainerSelectionoftheattachmentwww.indiandentalacademy.comwww.indiandentalacademy.com4.IntracoronalattachmentPrecision/SemiprecisionattachmentsMechanicsofretentionExtracoronalattachmentRigid/ResilientattachmentExtracoronalresilientattachment(ERA)OringattachmentRoleofattachmentasstressbreaker:BrokenstressphilosophyBarattachmentsStudattachments(DEB+overdentureattachments)MagnetsasattachmentAuxillaryattachmentsConclusionwww.indiandentalacademy.comwww.indiandentalacademy.com5.www.indiandentalacademy.comwww.indiandentalacademy.com6.OneofthepurposesintheOneofthepurposesintheHealingArtHealingArtistopreserveandistopreserveandmaintaineachbodilyorgantoitsfullestextent.Themaintaineachbodilyorgantoitsfullestextent.Thefunctionsofteethandmouthareasimportantindailyfunctionsofteethandmouthareasimportantindailyexercisesinhumanendeavorasthatofanyotherpartoftheexercisesinhumanendeavorasthatofanyotherpartofthebody.body.WeliveinademandingsocietyasstandardofWeliveinademandingsocietyasstandardofeducation,wealthandleisurerise,sodoexpectations.Oureducation,wealthandleisurerise,sodoexpectations.Ourpatientsarebeginningtoapplytheseexpectationsaspatientsarebeginningtoapplytheseexpectationsasforciblytodentistryastoanyotheractivityandincreasingforciblytodentistryastoanyotheractivityandincreasingtheirdemandforthehighstandardsofdentalcarethattheirtheirdemandforthehighstandardsofdentalcarethattheirwealth



canbuyandthegoodappearancethatsocietyteacheswealthcanbuyandthegoodappearancethatsocietyteachesthemtovalue.themtovalue.www.indiandentalacademy.comwww.indiandentalacademy.com7.Insomesituations,usuallyintheanteriorsegmentsInsomesituations,usuallyintheanteriorsegmentsofthemouththeFPDcannotfulfillthecosmeticofthemouththeFPDcannotfulfillthecosmeticneedsofapatientwithoutimposinghygieneneedsofapatientwithoutimposinghygieneproblems,inthatcaseRPDismostuseful.Buttheproblems,inthatcaseRPDismostuseful.Buttheclaspsontheanteriorteetharenotcosmeticallyclaspsontheanteriorteetharenotcosmeticallyacceptable.acceptable.ThebalancebetweenthefunctionalstabilityandThebalancebetweenthefunctionalstabilityandcosmeticappealisamajorchallengetothedentist.cosmeticappealisamajorchallengetothedentist.AvarietyofsolutionshavebeenproposedintheAvarietyofsolutionshavebeenproposedintheformofinterlockingdevicesoftencalledPrecisionformofinterlockingdevicesoftencalledPrecisionAttachmentdesignedtoconnecttheprosthesistoAttachmentdesignedtoconnecttheprosthesistotheabutmenttheabutmentwww.indiandentalacademy.comwww.indiandentalacademy.com8.GOALSGOALSTheThegoalsgoalsforfabricationofPApartialdentureareaasforfabricationofPApartialdentureareaasfollows:follows:ToprovideanefficientmasticatingreplacementofToprovideanefficientmasticatingreplacementoflostdentalorgans.lostdentalorgans.ToberemovableandreplaceablewithoutstressorToberemovableandreplaceablewithoutstressorstrainontheabutmentteeth.strainontheabutmentteeth.Toallownormalanatomicformtotheabutmentteeth.Toallownormalanatomicformtotheabutmentteeth.TobecapableofbeingtissuesupportedinaTobecapableofbeingtissuesupportedinacontrolledmannercontrolledmannerwww.indiandentalacademy.comwww.indiandentalacademy.com9.ToallowforvariousocclusalcorrectionandToallowforvariousocclusalcorrectionandprovidemanyyearsofcomfortableservicesprovidemanyyearsofcomfortableservicesTobeestheticallyacceptableandMinimalTobeestheticallyacceptableandMinimalamountoftoothstructureremoved.amountoftoothstructureremoved.ToavoidendodonticproceduresandtobeToavoidendodonticproceduresandtobehygienicallycleanhygienicallycleanToplaceminimumamountofstrainontheToplaceminimumamountofstrainontheabutmentteethabutmentteethwww.indiandentalacademy.comwww.indiandentalacademy.com10.Late19thcentury:Dr.Herman,ESChayesFirstattachmenttobeavailableinthegeneralmarketTshapedPrecisionAttachment(1906)HshapedChayesAttachment(1912)www.indiandentalacademy.comwww.indiandentalacademy.com11.PrecisionqualityorstateofbeingpreciseAttachmentMechanicaldeviceforthefixation,retentionandstabilizationofdentalprosthesis.Aretainerconsistingofametalreceptacle(matrix)andacloselyfittingpart(patrix)thematrixisusuallycontainedwithinthenormalorexpandedcontoursofthecrownontheabutmenttooth/dentalimplantandthepatrixisattachedtoaponticortheremovabledentalprosthesisframework.GPT8www.indiandentalacademy.comwww.indiandentalacademy.com12.MechanicaldeviceDirectretainerTheyaredesignedtoreplaceocclusalrest,bracingarm,andretainingarmoftheconventionalclaspretainedpartialdenture.Theyfunctiontoretain,supportandstabilizetheremovablepartialdenture.www.indiandentalacademy.comwww.indiandentalacademy.com13.SYNONYMSOFATTACHMENTSPatrixPatrixMatrixMatrixFlangeFlangeSlotSlotInsertInsertCryptCryptKeyKeyKeywayKeywayFittingpartFittingpartReceptacleReceptacleInternalattachmentsFrictionalattachmentsParallelattachmentsSlottedattachmentsKeyandKeywayattachments.MaleattachmentsFemaleattachmentswww.indiandentalacademy.comwww.indiandentalacademy.com14.CLASSIFICATIONOFATTACHMENTSBasedonmethodoffabricationandthetoleranceoffitI.Precisionattachment(prefabricatedtypes)II.Semiprecisionattachment(custommade/laboratorymadetypes)Prefabricatedwax/plastic/nylonpatternswww.indiandentalacademy.comwww.indiandentalacademy.com15.AccordingtotheirrelationshiptotheabutmentteethIntracoronal(Internalattachment)Extracoronal(Externalattachment)BasedonstiffnessoftheresultingjointRigidattachmentsResilientattachments(Nonrigid)www.indiandentalacademy.comwww.indiandentalacademy.com16.Basedongeometricconfigurationanddesignoftheattachment.KeyandKeywayInterlocksBallandsocketBarandclip/sleeveHingeTelescopicPushbuttonLatchScrewunitswww.indiandentalacademy.comwww.indiandentalacademy.com17.M.C.Mensor(1973)Classificationaccordingtoshape,designandprimaryareaofutilizationofattachment.CoronalCoronalRadicularRadicularAccessoryAccessoryIntracoronalIntracoronalExtracoronalExtracoronalTelescopestudsTelescopestuds(pressurebuttons)(pressurebuttons)BarattachmentBarattachment(BarjointsandBar(BarjointsandBarunits)units)AuxillaryAuxillaryScrewunitsScrewunitsBarconnectorsBarconnectorsBoltsBoltsStabilizersStabilizersBalancesBalancesInterlocksInterlockswww.indiandentalacademy.comwww.indiandentalacademy.com18.Becceraandothers(1987)IntradentalattachmentsFrictionalMagneticExtradentalattachmentsCantileverattachmentBarattachmentwww.indiandentalacademy.comwww.indiandentalacademy.com19.ADVANTAGESImprovedestheticsandelevatedpsychologicalacceptanceMechanicaladvantageDirecttheforcesalongthelongaxisoftheteeth/moreapicallyForceapplicationclosertothefulcrumofthetoothReducesNonaxialloadingDecreasesTorquingforcesReducesrotationalmovementoftheabutmentwww.indiandentalacademy.comwww.indiandentalacademy.com20.InDistalextensionbasecasesBrokenstressphilosophyReducedstresstotheabutmentStressfreerotational/verticalmovementsCrossarchloadtransferandprosthesisstabilizationComparedtoconventionalclaspretainedpartialdentureLessliabletofracturethanclaspLessbulkyandmoreestheticsBetterretentionandstabilityLessfoodstagnationwww.indiandentalacademy.comwww.indiandentalacademy.com21.DISADVANTAGESComplexityofdesign,proceduresforfabrication&clinicaltreatmentMinimumocclusogingivalabutmentheight(46mm)ToincorporateattachmentwithoutovercontouringEnoughlengthofparallelcontactAnatomyofthetoothLimitedfaciolingualtoothwidth(incisorandcanineareas)ExpensiveComplexityoflaboratoryandclinicalprocedureAttachmentmaintenance(repairorperiodicreplacement)Wearingofattachmentcomponentswww.indiandentalacademy.comwww.indiandentalacademy.com22.RequirehightechnicalexpertiseDentistandlaboratorytechnicianRequiresaggressivetoothpreparationCooperationonthepartofthepatientDifficulttoinsertandremoveMentallychallengedpatientIncreasedemandonoralhygieneperformancewww.indiandentalacademy.comwww.indiandentalacademy.com23.INDICATION/APPLICATIONSOFPRECISIONATTACHMENTSRemovableProsthodonticsAsaretainerinaremovabletoothsupportedpartialdentureForestheticconcernintheanteriorpartofthemouthStressBreakersFreeendsaddles/DistalExtensionBasecases(DEB)WhencantileveredponticistobeusedasabutmentFormovablejointsinsectionaldenturesPeriodontalinvolvementofthetoothContraindicatesrigidFPDsMostefficientbilateralbracingandsupportareessentialwww.indiandentalacademy.comwww.indiandentalacademy.com24.Divergentabutmentteethwithhighsurveylinesparallelpathofplacement.AsaretainersintoothsupportedoverdentureFixedProsthodonticsAsaconnectorinfixedpartialdentureconstruction(longspanbridges)Toovercomealignmentproblemswhereabutmentshavedifferingpathofwithdrawal.www.indiandentalacademy.comwww.indiandentalacademy.com25.IMPLANTPROSTHODONTICSImplantsupportedoverdentureTheyareusedforconnectionbetweenthetoothandtheimplantwww.indiandentalacademy.comwww.indiandentalacademy.com26.CONTRAINDICATIONSOFPRECISIONATTACHMENTSPoorperiodontalsupport.PoorcrowntorootratioPoororalhygienehabitsAbnormallyhighcariousrateInadequatespace/roomtoemploytheattachmentCompromisedendodonticandrestorativeconditionswww.indiandentalacademy.comwww.indiandentalacademy.com27.SELECTIONOFTHEABUTMENTTEETHFactors:SoundabutmentteethNumberoftheabutmentteethLocationoftheabutmentteethPeriodontalconditionCrownrootratioPeriodontalsupportPulpalstatusVitalityofthepulpSizeofthepulpchamberwww.indiandentalacademy.comwww.indiandentalacademy.com28.Minimumattachmentlength4mmInadequateattachmentlength



31.EMAttachmentSelectorEMAttachmentSelectorSystem:System:Mensor,withhisEMAttachmentselectorsystem,lists23Mensor,withhisEMAttachmentselectorsystem,lists23attachmentsintheintracoronalclassification.17arelistedasattachmentsintheintracoronalclassification.17arelistedasnonresilienttypesand5asresilienttypes.Theyrangefromanonresilienttypesand5asresilienttypes.Theyrangefromamaximumlengthof5to10mm.TheEMattachmentSelectormaximumlengthof5to10mm.TheEMattachmentSelectorsystemutilizesacolourcodedmillimeterattachmentgaugesystemutilizesacolourcodedmillimeterattachmentgaugetodefinetheverticalclearanceavailableintheedentuloustodefinetheverticalclearanceavailableintheedentulousregionofoccludedcastsforattachmentselection.regionofoccludedcastsforattachmentselection.Thegaugeismadeofplasticandmeasures75mminlength.ItThegaugeismadeofplasticandmeasures75mminlength.Itisgraduatedfrom3to8mmin1mmincrementswithaisgraduatedfrom3to8mmin1mmincrementswithacorrespondingcolourcode.Reddesignates3to4mmyellowcorrespondingcolourcode.Reddesignates3to4mmyellowdesignates5to6mmandblackdesignates7to8mm.designates5to6mmandblackdesignates7to8mm.www.indiandentalacademy.comwww.indiandentalacademy.com32.ThegaugeisplacedbetweentheoccludedcastsadjacenttoaThegaugeisplacedbetweentheoccludedcastsadjacenttoatooththatwillcarryanattachment.Themeasurementisthustooththatwillcarryanattachment.Themeasurementisthusreadnumericallyandaccordingtocolour.Theverticallimitsreadnumericallyandaccordingtocolour.TheverticallimitsmeasuredbytheEMgaugearethecommonareaofconcernmeasuredbytheEMgaugearethecommonareaofconcernFORACONNECTORSYSTEM.TheavailablespacewillFORACONNECTORSYSTEM.Theavailablespacewillgovernthetypeofattachmentsystemthatcanbeused.governthetypeofattachmentsystemthatcanbeused.AclosedverticalspacewillnarrowtheselectionofavailableAclosedverticalspacewillnarrowtheselectionofavailableorrecommendedattachments.Whereverticalintermaxillaryorrecommendedattachments.Whereverticalintermaxillaryspaceisabundant,thechoiceofattachmentsystemscanbespaceisabundant,thechoiceofattachmentsystemscanbemuchlessrestricting.TheEMattachmentSelectorsystemmuchlessrestricting.TheEMattachmentSelectorsystemcanbeusedasaguidetoattachmentselectioncanbeusedasaguidetoattachmentselection..www.indiandentalacademy.comwww.indiandentalacademy.com33.INTRACORONALATTACHMENTSIntracoronalprecisionattachment(Dr.HermanE.SChayes)Precisionattachment(prefabricatedtype)Semiprecisionattachments(custommade)ConventionalattachmentTshapedattachmentsModernattachmentHshapedattachmentsContactplateAdjustmentslotTubeHeadReinforcingplatewww.indiandentalacademy.comwww.indiandentalacademy.com34.Beyelerattachment:Beyelerattachment:Activefrictiongripattachments:Activefrictiongripattachments:Inmanywaystheseresemblepassiveattachments,Inmanywaystheseresemblepassiveattachments,butastheyareusedinsituationswherethebutastheyareusedinsituationswherethearticulationneedstobeseparatedrepeatedlyeg.articulationneedstobeseparatedrepeatedlyeg.Removablebridgeworktheyincludeaspring,usuallyRemovablebridgeworktheyincludeaspring,usuallyasplitpatrixdesign.asplitpatrixdesign.Usedinanteriorandpremolarregions.Usedinanteriorandpremolarregions.www.indiandentalacademy.comwww.indiandentalacademy.com35.MECHANICSOFRETENTIONFrictional:PreiskelgroupIRetentionSurfaceareacontactFunctionofthelengthControlledbyheightofclinicalcrownIntermaxillaryspaceavailableFunctionofcrosssectionaldimensionsMechanical:PreiskelgroupIIAuxillarymechanicalretentivefeaturesEx.Springloadedplunger/clipswww.indiandentalacademy.comwww.indiandentalacademy.com36.PassiveAttachment:PatrixandMatrixinterlockinajigsawfashion..Retentiondependsonshapeofthejoint,areaofcontactandaccuracyoffitChannelsofpassiveattachmentmayberound/ellipticalslidesDEPENDINGONARTICULARRETENTIONPassiveattachmentActiveattachmentLockedprecisionattachmentOmegaBeyelerwww.indiandentalacademy.comwww.indiandentalacademy.com37.ACTIVEATTACHMENTActivefrictiongripattachmentActivesnapgripattachmentsMcCollumCrismaniCrismaniMc.Collumactivefrictiongripusedinposteriorareasandavailablesizes4mmand5.5.mmCrismaniactivefrictiongripavailablesizerange3mmto7mmusedinanteriorandpremolarareaswww.indiandentalacademy.comwww.indiandentalacademy.com38.McCollumattachment:HshapedattachmentSingleadjustmentslotAnHshapedattachmentindicatedforfixedmovablebridgework,removablepartialdenturesanddistalextensionpartialdentureswhencrossarchstabilized.www.indiandentalacademy.comwww.indiandentalacademy.com39.SternattachmentTwoadjustmentslotsHshapedconfiguration.Thisattachmentisanintracoronal,activefrictiongripattachmenttowhichadistalhingeblockhasbeenadded.UsedasastressbreakerattachmentandinfixedremovalbridgeworkandRPDs.www.indiandentalacademy.comwww.indiandentalacademy.com40.Crismaniattachment:AvailableasRigid/ResilientRigidcrismaniattachmentFrictionalgripMechanicalgripThesecomeinresilientandrigidforms.Therigidtypesareavailablewithbothfrictionandmechanicalspringclipretentionmechanisms.Theycomeinintracoronalactivefrictiongripaswellassnapgripvarieties.Thehinged,resilienttypeattachmentcanbeusedindistalextensioncases.www.indiandentalacademy.comwww.indiandentalacademy.com41.ThisresilientattachmentcanbeusedasaverticalThisresilientattachmentcanbeusedasaverticalstressbreaker,asahingedstressbreaker,orastressbreaker,asahingedstressbreaker,oracombinationofboth.combinationofboth.TwotypesofresilientcrismaniattachmentsareTwotypesofresilientcrismaniattachmentsareavailable,oneallowingapurehingemovementavailable,oneallowingapurehingemovementandtheotherallowinglateralmovementinandtheotherallowinglateralmovementincombinationwithhingemovement.combinationwithhingemovement.www.indiandentalacademy.comwww.indiandentalacademy.com42.Neysattachment:LatchretainedConventionalHshapedNeylocsplitlingualwww.indiandentalacademy.comwww.indiandentalacademy.com43.NeyattachmentsareintracoronalsnapgripNeyattachmentsareintracoronalsnapgripattachments,availablein2basicdesigns,theattachments,availablein2basicdesigns,thefamiliarchayeswithadjustablewingsandthefamiliarchayeswithadjustablewingsandtheneylocdesignwithgingivalretentionfeature.neylocdesignwithgingivalretentionfeature.www.indiandentalacademy.comwww.indiandentalacademy.com44.BakersattachmentSchatzmannattachmentTheseareintraconalnonresilientattachments.Theycomeinanterior,bicuspidandmolarsizes.Hshapedconfiguration.Thisattachmentisanintracoronal,activefrictiongripattachmenttowhichadistalhingeblockhasbeenadded.UsedasastressbreakerattachmentandinfixedremovalbridgeworkandRPDs.www.indiandentalacademy.comwww.indiandentalacademy.com45.SemiprecisionattachmentsDefinedasrigidmetalicextension(patrix)ofafixedorremovabledentalprosthesisthatfitsintoaslottypekeyway(matrix)inacastrestorationallowingsomemovementbetweenthecomponent.GPT8Gillete(1923):ThefirstsemiprecisionattachmentZinner(1979)LockingsemiprecisionattachmentNonlockingsemiprecisionattachmentwww.indiandentalacademy.comwww.indiandentalacademy.com46.Louisblatterfein(1969):FourrestseatpreparationOcclusalform/outlineformcontrolsamountofrotationCircularDovetailRectangularMortice(Rigidlockingtype)ResilientSomeresiliency(Nonlockingtype)Proximalform/sidewallslateralforcecontrolParalleloutlineTaperingoutlineTheangleoftheproximalwallwiththegingivalfloorwww.indiandentalacademy.comwww.indiandentalacademy.com47.Gingivalfloorform:servesthefunctionofreciprocationFlatInclinedChanneledAddedreciprocationMorticeocclusalformRectangularocclusalformwww.indiandentalacademy.comwww.indiandentalacademy.com48.Advantages:Appliedinclinicalsituationsemployingvariousrestseatoutlineforms.Variationintoothsizeandshapesareeasilyaccommodated.BettercrowncontourcomparedtoprefabricatedtypeDisadvantages:Longtermwearismoresoftnessofalloyused.Nostandardizationofsizing:Lackofinterchangiabilityofmaleandfemaleattachment.Greaterdegreeoflaboratoryskillandattentionindetail.www.indiandentalacademy.comwww.indiandentalacademy.com49.EXTRACORONALATTACHMENTSIntroducedbyHenryR.Boos(1900)ModifiedbyFEwingRoach(1908)ApplicationKennedysclassIandclassIIBoitel(1978)RigidattachmentsResilientattachmentsBarattachmentswww.indiandentalacademy.comwww.indiandentalacademy.com50.EXTRACORONALATTACHMENTRigidattachmentsHingedattachments(Stressbreakingaction)ResilientattachmentsERAOringAdvantages:NoalterationofcontouroftheabutmentcrownCanbeusedinshortabutmentteethGreaterfreedominthedesignEaseofinsertionandremovalwww.indiandentalacademy.comwww.indiandentalacademy.com51.Disadvantages(WolfRE1980):LackofocclusalstabilityBulkyRebasingproblemsImpropercontrolofforcedistributionEncroachmentonthegingivalpapillauseofminiattachmentwww.indiandentalacademy.comwww.indiandentalacademy.com52.RIGIDEXTRACORONALATTACHMENTSRoachattachment(ballandtubeattachment)OldestattachmentPatrixroundballMatrixtubePinandtubeattachmentThesimplestPatrixpinMatrixtubewww.indiandentalacademy.comwww.indiandentalacademy.com53.StabilexattachmentTworetentionpinsDisadvantageisincreasedlengthMatrixPatrixAssembledRigidconnectionbetweenthemaleandfemaleunits.Additionalretentionbypinswhichmaybeunscrewedandreplacedifnecessarybyaspecialscrewdriver.Attachmentisbulky,plaquecontrol



difficult>4mmverticalspacerequired.Application:Situationswheregenerousspaceavilablewww.indiandentalacademy.comwww.indiandentalacademy.com54.ConexattachmentConexattachmentSidesprovidesprecisepathofinsertionthatresistrotationalforces.Pinsacttwotypes:Providingfrictionalretention,mechanicallock.ModifiedConex:Enablesoperatortoscrewtheremovablesectionofprosthesisinplace.Applicationtoothsupportedprosthesiswhereadequateplaquecontrolispossible,unilateraldistalextensionspaces,smallrestorationsforboundedspaces.Bracingarmsnotrequiredbecauseofthegenerouslateralsurfaceareaoftheattachment.www.indiandentalacademy.comwww.indiandentalacademy.com55.RESILIENTEXTRACORONALATTACHMENTDalbo/Dallabonaattachmenta)Patrixb)MatrixTheseareknownasDallabonaslideblockorDalbostudanchor.Theyaresimpleattachmentsavailableinnonresilient,resilientandstressbrokentypes.Theyareusefulwhenthereisminimalverticalspaceavailableandrotation,reesilienceandretentionaredesired.www.indiandentalacademy.comwww.indiandentalacademy.com56.TheattachmentconsistsofasinglepiecemaleTheattachmentconsistsofasinglepiecemalestudsolderedtothecopingandasingleunitstudsolderedtothecopingandasingleunitfemaleprocessedwithinthedenture.femaleprocessedwithinthedenture.Types:Types:RigidcylindricaldollabonaRigidcylindricaldollabonaSphericalvariety(resilient)Sphericalvariety(resilient)StressbrokenStressbrokenThestressbrokenversionissimilartotheThestressbrokenversionissimilartotheresilientwithexceptionthatfemalehousingisresilientwithexceptionthatfemalehousingislongerandincorporatesacoilspring.longerandincorporatesacoilspring.www.indiandentalacademy.comwww.indiandentalacademy.com57.CekaattachmentWasdevelopedbyKarlCluytens,1951andimprovedin1968TwotypesCekaNVattachmentCekarevax.UsedasadirectretainerinpartialdenturesandoverdenturesIsrigidandalsononrigidcategoryofextracoronalattachments.AccordingtoWaltz1973doesnotseemtohaveanyadverseeffectonhealthofabutmentteethandsurroundingtissues.www.indiandentalacademy.comwww.indiandentalacademy.com58.ROLEOFATTACHMENTSASSTRESSBREAKERRigidsystemNonrigidsystemStressbreakerBrokenstressphilosophyMensorstresscanonlybeselected,alteredorblockedStressdirectorwww.indiandentalacademy.comwww.indiandentalacademy.com59.ASC52attachmentSTRESSBREAKERDESIGNSThisisanexampleofanextracoronalresilientattachmentthatpossesuniversalresilience.Itconsistsofanextracoronalslideattachmentwithaspringactivateduniversalhingejointandadjustableretention.ItisthesmalleststressdirectorindentistryandisusedfordistalextensionRPDs.www.indiandentalacademy.comwww.indiandentalacademy.com60.NeysdistalextensionstressbreakerNeyattachmentsareintracoronalsnapgripattachments.Availablein2basicdesigns,thefamiliarchayeswithadjustablewingsandtheneylocdesignwithgingivalretentionfeature.www.indiandentalacademy.comwww.indiandentalacademy.com61.SternstressbreakerHshapedconfiguration.attachmentisanintracoronal,activefrictiongripattachmenttowhichadistalhingeblockhasbeenadded.UsedasastressbrokenattachmentandinfixedremovalbridgeworkandRPDs.www.indiandentalacademy.comwww.indiandentalacademy.com62.Extracoronalresilientattachment(ERA):(ERA)ColourcodedretentioncapsMostflexibleWhite>Orange>Blue>GrayMostrigidTwotypesofERAStandardReducevertical(ERARV)malepartis0.5mmshorterwww.indiandentalacademy.comwww.indiandentalacademy.com63.MatrixPatrixUseofERAinDEBcasesUseinoverdentureYenChenKuetal(2000):ERAprovidesesthetics,verticalresiliency,easyreplacementofworndenturesVerticalresiliencyof0.4mmUniversaljointhingeactionwww.indiandentalacademy.comwww.indiandentalacademy.com64.OringattachmentPatrixpostwiththegrooveorundercut.MatrixOringsyntheticpolymergasketsOringaremadeupofSiliconeNitrileFluorocarbonEthylenepropylenewww.indiandentalacademy.comwww.indiandentalacademy.com65.AdvantagesofOringEaseinchangingtheattachmentWiderangeofmovementLowcostDifferentdegreesofretentionEliminationofthetime/costofthesuperstructurewww.indiandentalacademy.comwww.indiandentalacademy.com66.STUDATTACHMENTS(ANCHORS)AnchortherootsSimplestofalltheattachmentPartrixdowel/postretainedrestorationMatrixdenturebaseoftheprosthesisClassifiedas:RigidstudunitResilientstudunitExtraradicularunitsIntraradicularunitsExtraradicularIntraradicularwww.indiandentalacademy.comwww.indiandentalacademy.com67.Spacerequirementoftheseattachmentisintermediatebetweendomeshapedcopingandthimbleshapedcoping.Theseshouldbeplacedparalleltothelongaxisofthetooth.www.indiandentalacademy.comwww.indiandentalacademy.com68.DALBOSTUDATTACHMENTRigidunitBallandsocketunit(Verticalandrotationalmovement)Retentionwww.indiandentalacademy.comwww.indiandentalacademy.com69.ROTHERMANECCENTRICATTACHMENTItisoneofthesmallestofstudattachmentsandhencerequiresverylittlespace(averagebt.1.6mm).Itisavailableinnonresilientandresilientversions.Simpletousewithadequateretentionandeaseofmaintenance.Disadvantages:Chairsideinsertionofkeywayisdifficult.www.indiandentalacademy.comwww.indiandentalacademy.com70.ZESTANCHORATTACHMENTZestanchorisastudattachmentitconsistsofametallicfunnelshapedtubethatiscementedintotherootcanalofthetoothandapolyethylenestudthatisattachedtothedenturebase.Theheadofthestudsqueezespasttheconstructionintheneckofthefunneltoretainthedentureonthetooth.Itderivesitsretentionfromwithinthetoothwww.indiandentalacademy.comwww.indiandentalacademy.com71.GERBERATTACHMENTThisisoneofthelargestofthestudunits.Providesgoodretentionstabilityhasadjustablespringsanditisreadilyreplaceable.Disadvantages:ComplexattachmentsystemRequresmorespaceMaintenanceproblemsItpermitsverylittlerotationalactiontotorquingofabutmentteethoccurswithalveolarresorption.www.indiandentalacademy.comwww.indiandentalacademy.com72.SCHUBIGERATTACHMENTPatrix:threadedpost/screwMatrix:recessedcollar,capnut/locknutCutsectionwww.indiandentalacademy.comwww.indiandentalacademy.com73.BARATTACHMENTSGilmoreclipsystem(1913)metalbarwithretainingsleeve/clip.Barcanbeattachedtothe:CopingorcrownsoverthevitalteethPostcopingonendodonticallytreatedteethScreweddownintothecoping(implantsystem)Typesofbarattachments:CustomisedbarDolderbarAckermannsbarCMriderbarHaderbarAndrewsbarwww.indiandentalacademy.comwww.indiandentalacademy.com74.Twogroupsofbarattachments:1)Barunitsrigid2)BarjointspermitsrotationRound/circularOval/eggshapedUshaped/parallelsidedbarsMultiplesleevebarjointsSinglesleevebarjointsDependingoncrosssectionBARJOINTSwww.indiandentalacademy.comwww.indiandentalacademy.com75.DOLDERBAREggshapedbarincrosssectionOpensidedsleeveTwosizes3.5mmx1.6mm,3.0mmx2.2mmSpacerdegreeofmovementwww.indiandentalacademy.comwww.indiandentalacademy.com76.MOVEMENTSSEENINDOLDERBARSagittalrotationRestpositionVerticaltranslationImplantsupportedoverdenturewww.indiandentalacademy.comwww.indiandentalacademy.com77.ACKERMANNBARAvailableindifferentcrosssectionCircularcrosssectioncanbebentinallplanesAshortextensionof5mmiscarriedbehindthemostdistalrootandthesleevepositionedonthissectionpreventstendencyfordistalparttorisewhenstickyfoodsarechewed.Thisisrecommendedwherebarissetananteroposterirocurvetopreventhingerotationandmotion.Multiplesleevebarjointsaremoreversatilethansingleonesexceptbarsthathaveslightlyrigidity.www.indiandentalacademy.comwww.indiandentalacademy.com78.CMBARItissimilartocircularAckermannbarwithdiameterof1.9andisofpreciousandsemipreciousalloys,thelatterrecommendedforlongspans.www.indiandentalacademy.comwww.indiandentalacademy.com79.HADERBARHelmutHaderin1960AvailableasaprefabricatedplasticpatternPrefabricatedplasticpatternareadaptedtomastercastaccordingtoitscontourandcastinalloyofchoice.Sleevesofplastichavetobereplacedforadjustments,hencemetalsleevescanbesubstituted.www.indiandentalacademy.comwww.indiandentalacademy.com80.ClipswithmetalencapsulatorAdvantagePrefabricatedplasticpatternnoneedforsoldering.Precisefit,simplicity.www.indiandentalacademy.comwww.indiandentalacademy.com81.Advantagesofbarattachments:RigidlysplinttheteethProvidesgoodretention,stabilityandsupportProvidescrossarchstabilizationPositionedclosetothealveolarbone(exhibitlessleverage)Disadvantages:BulkofbarPlaqueaccumulationWearingSolderingprocedurewww.indiandentalacademy.comwww.indiandentalacademy.com82.MAGNETSASATTACHMENTSince1950ToretainmaxillofacialprosthesisAlu,Ni,Iron,Cobaltalloy(alnico)Limiteduselargersize1960useofrareearthelementHighfieldstrengthCanbeusedinsmallersize.Somariumcobalt(SmCo)(JosephBeckerHoffer1967)Neodymiumironboron(NdFeB)20%strongerSomariumironnitrideHighmagnetizationUsedforretentionofmandibularoverdentures(toothandimplantsupportedoverdentures)www.indiandentalacademy.comwww.indiandentalacademy.com83.Gillingsmagneticattachment(cobaltsomariumalloymagnets)SplitpolepairedmagnetsClosedfieldmagneticsystemMagneticretainerwith



magnetsMagnetickeeperwww.indiandentalacademy.comwww.indiandentalacademy.com84.Advantagesofmagneticattachment:SmallersizeandstrongattractiveforceProduceconstantforceconstantretentionEasytoincorporateintotheprosthesisAutomaticreseatingBoonforelderlypatients(Parkinsonism,arthriticpatient)Lesslateralforcetotheabutmenttoothwww.indiandentalacademy.comwww.indiandentalacademy.com85.Jacksonmagneticattachment(cobaltsomariumalloymagnets)CementedinkeeperScrewedinkeeperwww.indiandentalacademy.comwww.indiandentalacademy.com86.Disadvantages:LossofretentionduetocorrosionorheatinstabilityRequiresencapsulationwithininertalloysCannotberepairedHighcostLimitedforcetransmissionMagnetscanslideontheirkeepers.www.indiandentalacademy.comwww.indiandentalacademy.com87.AUXILLARYATTACHMENTSScrewandtubeattachmentKeyandkeyway/interlocksPressoMaticorIsoclipBarconnectorsAttachmentsforsectionaldentures/boltsScrewandtubeattachmentwww.indiandentalacademy.comwww.indiandentalacademy.com88.Indications:ToovercomealignmentproblemsConnectingonerestorationoffixedpartialdenturetoanotherAllowingtheremovaloflongspanfixedpartialdentureforrepairandexaminationofabutment.www.indiandentalacademy.comwww.indiandentalacademy.com89.ATTACHMENTUSEDFORSECTIONALDENTURESTwopartdentures:OnepartchromecobaltbaseSecondpartremovableacrylicflangewithteethAdvantageofsuperiorestheticsandimprovedretentionMethodofunion:Physicalinterference:BoltretainedprosthesisFrictionalresistance:Splitpostretainedprosthesiswww.indiandentalacademy.comwww.indiandentalacademy.com90.SECTIONALDESIGNSIndividualsections/separatesections:usesmesialanddistalsurfaceoftheabutmentteethasguidingplanes.www.indiandentalacademy.comwww.indiandentalacademy.com91.www.indiandentalacademy.comwww.indiandentalacademy.com92.Forcriticalanalysisoftheseattachments,theneedforForcriticalanalysisoftheseattachments,theneedforthroughknowledgeoftheirprinciplesandthroughknowledgeoftheirprinciplesandapplicationsmaybeofhelpinobtainingabetterapplicationsmaybeofhelpinobtainingabetterinsightintotheirdrawbackandareasofpotentialinsightintotheirdrawbackandareasofpotentialimprovement.improvement.TheattachmentretainerremovablepartialdentureTheattachmentretainerremovablepartialdenturepresentsachallengeintechnicalskillandpresentsachallengeintechnicalskillandunderstandingofthebiomechanicsofmaxillounderstandingofthebiomechanicsofmaxillomandibularfunction.mandibularfunction.Themainfunctionsoftheattachmentsareretention,Themainfunctionsoftheattachmentsareretention,stressreductionandconcealmentforestheticstressreductionandconcealmentforestheticpurposes.Theattachmentretainedremovablepartialpurposes.Theattachmentretainedremovablepartialdenturedoesattempttoreturnthepatienttoasneardenturedoesattempttoreturnthepatienttoasnearnormalfunctionandappearanceaspossible.normalfunctionandappearanceaspossible.www.indiandentalacademy.comwww.indiandentalacademy.com93.Advancedremovablepartialdentures.JamesS.BrudvickQuintInt.PubPg.115152.Contemporaryfixedprosthodontics.Rosensteil,Thirdedition,MosbyPub.,pg.543566.OverdenturemadeeasyguidetoimplantandrootsupportedprosthesisHaroldW.PreiskelGeorgeZarb.PrecisionattachmentsalinktosuccessfulrestorativetreatmentGarethJenkinsQuintPublishing.TheoryandpracticeofprecisionattachmentRPDJamesLBakerRichardJGoodkins.www.indiandentalacademy.comwww.indiandentalacademy.com94.JProsthetDent197329(5):494497JProsthetDent197329(2):165171.JProsthetDent198758(3):327327.DCNA197014(3):595601.QuintInt200031(5):311317.QuintInt198718(1):451JProsthetDent200186:13742JProsthetDent198145(1):3743.IntJProsthet19903(1):98102.IntJProsthet19903(2):165173.www.indiandentalacademy.comwww.indiandentalacademy.com95.Formoredetailspleasevisitwww.indiandentalacademy.comwww.indiandentalacademy.comwww.indiandentalacademy.com

RecommendedMorefromUser

precisionattachmentinprosthodonticsFaryalMangrio8,081views

Precisionattachments1/certifiedfixedorthodonticcoursesbyIndiandentalacIndiandentalacademy2,377views

OverdentureTalibAmin10,903views

Precisionattachments/orthodonticseminarsIndiandentalacademy400views

Stressbreakers/dentistrydentalimplantsIndiandentalacademy397views



Attachments&theiruseinrpdfabricationNavydentDent5,095views

Stressbreakers/certifiedfixedorthodonticcoursesbyIndiandentalacademyIndiandentalacademy1,574views

Nonrigidconnectors/cosmeticdentistrytrainingIndiandentalacademy1,023views

Attachmentsinimplantretainedoverdentures/cosmeticdentistrytrainingIndiandentalacademy640views

PrecisionattachmentCaseJesinYatheendradas520views

Precisionattachments/orthodonticseminarsIndiandentalacademy319views

Distalextensionremovablepartialdentureprosthesis/certifiedfixedorthodonIndiandentalacademy10,821views

Removablepartialdentureammar90585,509views

Precisionattachmentsinprosthodontics/orthodonticseminarsIndiandentalacademy257views

Introductiontofixedpartialdenturejinishnath67,613views



1.fixedpartialdenturefinals1EmjeiMendoza21,005views

DentalClaspdesigns1/certifiedfixedorthodonticcoursesbyIndiandentalacIndiandentalacademy11,759views

DesignofremovablepartialdentureSaeedBajafar27,424views

MandibularMajorConnectorsAbhishekKavlekar13,274views

Precisionattachments1./orthodonticseminarsIndiandentalacademy231views

Attacheinterlocko2865334106views

biomechanicsinrpdMohammedAshiq7,320views

AlteredcaststechniqueSailiChandavarkar3,988views

Connectorsinfpd/dentalcontinuingeducationIndiandentalacademy485views

BiomechanicsofRPDProsthodonticsShujahAdil1,014views



AtachescentroINCA41,174views

Loactorimplantattachments/certifiedfixedorthodonticcoursesbyIndiandentIndiandentalacademy117views

Stressbreakers/dentistrydentalimplantsIndiandentalacademy251views

Mohamedprothodonticsdrzeina3,713views

ATACHESENPROTESISFIJACarlosRengifo17,707views

Fixedprosthodonticscomponentsa7med21016,902views

Occlusionforprosthodonticsrazanreyadh720views

denturebaseconsiderationsBibinBhaskaran23,779views

AnatomicalLandmarksforCompleteDenturesAhmedSamy16,142views



OccluioninprosthodonticsAeyshaSiddika5,167views

OcclusionpptVirendraVikramSingh24,747views

04.Surveying.pptdentistryinfo7,331views

ImpressionmaterialsBibinBhaskaran40,987views

(Replace)11.esthetics,rotationalpath,attachmentswww.ffofr.orgFoundationforOralFacialRehabilitiation994views

Magneticretentioninmaxillofacialprostheses/GeneralorthodonticsIndiandentalacademy240views

AcademyoffixedOrthodonticscoursesshorttermIndiandentalacademy1,214views

labialOrthodonticscoursesshorttermIndiandentalacademy641views

onlineOrthodonticscoursesshorttermIndiandentalacademy346views

DiplomainOrthodonticscoursesshorttermIndiandentalacademy205views



onlinefixedOrthodonticscoursesshorttermIndiandentalacademy218views

FixedOrthodonticstraininginindiashorttermIndiandentalacademy199views

FixedOrthodonticscoursesinindiashorttermIndiandentalacademy201views

OrthodonticscoursesshorttermIndiandentalacademy211views

FirstTelanganaStateDentalConferenceIndiandentalacademy602views

Prosthodonticmaterials/orthodonticpracticeIndiandentalacademy2,152views

Zirconiaallceramicrestorations/dentistrycourseinindiaIndiandentalacademy1,921views

Waxupandinvesting/dentistrycourseinindiaIndiandentalacademy1,072views

Waxpatterns/dentistrycourseinindiaIndiandentalacademy1,677views

Waxpatternsinfpd/dentistrycourseinindiaIndiandentalacademy1,396views

Waxpatternsinfpd/dentistrycourseinindia



Indiandentalacademy815views

Waxpatternsinfpd/dentistrycourseinindiaIndiandentalacademy807views

porcelainlaminateveneers/dentistrycourseinindiaIndiandentalacademy1,775views

Phoneticsincompletedentures./dentistrycourseinindiaIndiandentalacademy1,260views

VerticlejawrelchallengetodentistIndiandentalacademy1,019views

Verticaljawrelations/dentistrycourseinindiaIndiandentalacademy1,257views

Verticaljawrelations/dentistrycourseinindiaIndiandentalacademy1,002views

Veneers/fixedorthodonticscoursesIndiandentalacademy818views

Upperairway/fixedorthodonticscoursesIndiandentalacademy1,173views

Phoneticsincompletedentures./dentistrycourseinindiaIndiandentalacademy1,126views

Atypicaltoothpreparation/fixedorthodonticscoursesIndiandentalacademy



781views

Typesofposteriorteeth/fixedorthodonticscoursesIndiandentalacademy745views

Typesofbridges/fixedorthodonticscoursesIndiandentalacademy1,288views

Tryinofcompletedenture/fixedorthodonticscoursesIndiandentalacademy601views

Treatmentplanindentalimplant/orthodonticcontinuingeducationIndiandentalacademy695views

Treatmentplaningindentalimplants/orthodonticcontinuingeducationIndiandentalacademy652views

TreatmentplanningofimplantsIndiandentalacademy658views

Treatmentplanningforimplants/fixedorthodonticscoursesIndiandentalacademy686views

Treatmentplanningfordentalimplants/fixedorthodonticscoursesIndiandentalacademy714views

Treatmentplanninganddiagnosis/fixedorthodonticscoursesIndiandentalacademy740views

Treatmentplanninganddiagnosis/fixedorthodonticscoursesIndiandentalacademy533views



Treatmentplanning/fixedorthodonticscoursesIndiandentalacademy1,096views

Toothselection/fellowshipsinorthodonticsIndiandentalacademy506views

Tmj,muscles,movmnts/fellowshipsinorthodonticsIndiandentalacademy1,151views

Temporomandibularjoint/fellowshipsinorthodonticsIndiandentalacademy685views

TMJdisorders/fellowshipsinorthodonticsIndiandentalacademy1,055views

EnglishEspanolPortuguesFranaisDeutsche

AboutCareersDev&APIPressBlogTermsPrivacyCopyrightSupport

LinkedInCorporation2015

SharethispresentationEmbedthispresentationLikethispresentationYouhavelikedthispresentationSavedisabledbytheauthor



UpcomingSlideShare

Loadingin...5

Documents

Precision Attachments in Prosthodontics_ Orthodontics Short Term Cour…