Your SlideShare is downloading. ×
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Introduction to fixed partial dentures/ online orthodontic courses
Upcoming SlideShare
Loading in...5
×

Thanks for flagging this SlideShare!

Oops! An error has occurred.

×
Saving this for later? Get the SlideShare app to save on your phone or tablet. Read anywhere, anytime – even offline.
Text the download link to your phone
Standard text messaging rates apply

Introduction to fixed partial dentures/ online orthodontic courses

390

Published on


Indian Dental Academy: will be one of the most relevant and exciting training

center with best faculty and flexible training programs for dental

professionals who wish to advance in their dental practice,Offers certified

courses in Dental implants,Orthodontics,Endodontics,Cosmetic Dentistry,

Prosthetic Dentistry, Periodontics and General Dentistry.

Published in: Education
0 Comments
1 Like
Statistics
Notes
  • Be the first to comment

No Downloads
Views
Total Views
390
On Slideshare
0
From Embeds
0
Number of Embeds
0
Actions
Shares
0
Downloads
1
Comments
0
Likes
1
Embeds 0
No embeds

Report content
Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
No notes for slide

Transcript

  • 1. Introduction to Fixed Partial Dentures.Introduction to Fixed Partial Dentures.  A Fixed Partial denture may be defined as “A Fixed Partial denture may be defined as “AA partial denture that is cemented to naturalpartial denture that is cemented to natural teeth or roots which furnish the primaryteeth or roots which furnish the primary support to the prosthesis”.support to the prosthesis”.  Fixed prosthesis may be defined asFixed prosthesis may be defined as, “ A, “ A restoration or replacement to which isrestoration or replacement to which is attached by a cementing medium to naturalattached by a cementing medium to natural teeth, roots, implants”.teeth, roots, implants”. www.indiandentalacademy.comwww.indiandentalacademy.com
  • 2. INDIAN DENTAL ACADEMY Leader in continuing dental education www.indiandentalacademy.comwww.indiandentalacademy.comwww.indiandentalacademy.com
  • 3. www.indiandentalacademy.comwww.indiandentalacademy.com
  • 4. Common Terms used in FPDCommon Terms used in FPD  CROWN :CROWN :  Cemented extracoronal restoration that covers or veneersCemented extracoronal restoration that covers or veneers the outer surface of the clinical crown.the outer surface of the clinical crown.  Primary function of a crown is to protect the underlyingPrimary function of a crown is to protect the underlying tooth structure and restore the function, form andtooth structure and restore the function, form and aesthetics.aesthetics.  Crowns may be of three types:Crowns may be of three types:  ““Clinical crown”Clinical crown” depicts the intra orally visible toothdepicts the intra orally visible tooth structure.structure.  ““Anatomical crownAnatomical crown” depicts the area of the tooth covered” depicts the area of the tooth covered by the enamel.by the enamel.  ““Artificial crownArtificial crown” depicts the area of the tooth replaced by” depicts the area of the tooth replaced by the clinician.the clinician. www.indiandentalacademy.comwww.indiandentalacademy.com
  • 5.  If the prosthetic crownIf the prosthetic crown covers all the fivecovers all the five surfaces it is referred tosurfaces it is referred to as full veneered crown.as full veneered crown. If it does not cover theIf it does not cover the entire tooth surface thenentire tooth surface then it is partial veneerit is partial veneer crown.crown. www.indiandentalacademy.comwww.indiandentalacademy.com
  • 6. Metal ceramic and all metalMetal ceramic and all metal www.indiandentalacademy.comwww.indiandentalacademy.com
  • 7. Laminate Veneers.Laminate Veneers.  Prosthesis made ofProsthesis made of ceramicceramic material whichmaterial which usually covers the facialusually covers the facial surface of the tooth,surface of the tooth, primarily for aestheticprimarily for aesthetic purposes.purposes. www.indiandentalacademy.comwww.indiandentalacademy.com
  • 8. InlaysInlays  It is anIt is an intracoronalintracoronal restorationrestoration, used for, used for medium sized singlemedium sized single tooth, proximo-occlusaltooth, proximo-occlusal and gingival lesions.and gingival lesions. www.indiandentalacademy.comwww.indiandentalacademy.com
  • 9. OnlayOnlay  It is anIt is an ExtracoronalExtracoronal restorationrestoration which iswhich is used to restore a moreused to restore a more extensively damagedextensively damaged tooth with a widetooth with a wide mesio-occluso-distalmesio-occluso-distal lesion.lesion. www.indiandentalacademy.comwww.indiandentalacademy.com
  • 10. AbutmentAbutment  Any tooth, root orAny tooth, root or implant which, givesimplant which, gives attachment and supportattachment and support to the fixed partialto the fixed partial denture.denture.  Pier abutmentPier abutment www.indiandentalacademy.comwww.indiandentalacademy.com
  • 11. Indications for FPDIndications for FPD  Short span edentulous arches.Short span edentulous arches.  Presence of sound teeth that can offerPresence of sound teeth that can offer sufficient support adjacent to the edentuloussufficient support adjacent to the edentulous spaces.spaces.  Cases with ridge resorption where a removableCases with ridge resorption where a removable partial denture cannot be stable or retentive.partial denture cannot be stable or retentive.  Patient’s preference.Patient’s preference. www.indiandentalacademy.comwww.indiandentalacademy.com
  • 12. www.indiandentalacademy.comwww.indiandentalacademy.com
  • 13. www.indiandentalacademy.comwww.indiandentalacademy.com
  • 14. Contra-indications.Contra-indications.  Large amount of bone loss as in trauma.Large amount of bone loss as in trauma.  Very young patients where the teeth have largeVery young patients where the teeth have large pulp chambers.pulp chambers.  Presence of periodontal compromisedPresence of periodontal compromised abutments.abutments.  Long span edentulous spaces.Long span edentulous spaces.  Bilateral edentulous spaces which requireBilateral edentulous spaces which require cross arch stabilisation.cross arch stabilisation. www.indiandentalacademy.comwww.indiandentalacademy.com
  • 15. Contd ……Contd ……  Congenitally malformed teeth, which do notCongenitally malformed teeth, which do not have adequate under lying tooth structure tohave adequate under lying tooth structure to support.support.  Very old patients as they may not be able toVery old patients as they may not be able to follow oral hygiene instructions.follow oral hygiene instructions. www.indiandentalacademy.comwww.indiandentalacademy.com
  • 16. Parts of an FPDParts of an FPD  Retainers :Retainers : May be defined as theMay be defined as the part of a fixed partialpart of a fixed partial denture, which unitesdenture, which unites the abutment(s) to thethe abutment(s) to the remainder of theremainder of the restoration.restoration. www.indiandentalacademy.comwww.indiandentalacademy.com
  • 17. Types of Retainers.Types of Retainers.  Based on the tooth coverage.Based on the tooth coverage. Major retainersMajor retainers :: a. Full veneer crowns.a. Full veneer crowns. b. Partial veneer crowns.b. Partial veneer crowns. Minor retainers :Minor retainers : a. Inlays.a. Inlays. b. Onlays.b. Onlays. www.indiandentalacademy.comwww.indiandentalacademy.com
  • 18. Based on materials being used.Based on materials being used.  All metal retainers.All metal retainers.  Metal ceramic retainers.Metal ceramic retainers.  All ceramic retainers.All ceramic retainers.  Porcelain fused to metal retainers.Porcelain fused to metal retainers.  Acrylic fused to metal retainers.Acrylic fused to metal retainers. www.indiandentalacademy.comwww.indiandentalacademy.com
  • 19. Full veneer crowns.Full veneer crowns.  Covers all the fiveCovers all the five surfaces of thesurfaces of the abutment. They areabutment. They are fabricated like a cap andfabricated like a cap and are usually indicated forare usually indicated for extensively damagedextensively damaged teeth.teeth.  Most retentive and idealMost retentive and ideal retainers because theirretainers because their design can resistdesign can resist masticatory forces in allmasticatory forces in all the directions.the directions. www.indiandentalacademy.comwww.indiandentalacademy.com
  • 20. Partial veneer crowns.Partial veneer crowns.  Require less toothRequire less tooth reduction.reduction.  Less retentive comparedLess retentive compared to full veneer crowns.to full veneer crowns.  Depending on theDepending on the number of surfacesnumber of surfaces prepared they can beprepared they can be classified as follows --classified as follows -- .. www.indiandentalacademy.comwww.indiandentalacademy.com
  • 21. Three quarter crownThree quarter crown (3/4th(3/4th)) Here three surfaces areHere three surfaces are prepared to receiveprepared to receive retainer usuallyretainer usually maxillary canines,maxillary canines, premolars receive suchpremolars receive such a type of retainera type of retainer www.indiandentalacademy.comwww.indiandentalacademy.com
  • 22. Contd …..Contd …..  7/87/8thth crowncrown:: Here the whole tooth isHere the whole tooth is divided into 8 surfacesdivided into 8 surfaces of which seven isof which seven is prepared to receiveprepared to receive retainer usuallyretainer usually Maxillary first molar isMaxillary first molar is prepared for such aprepared for such a retainer.retainer. www.indiandentalacademy.comwww.indiandentalacademy.com
  • 23. Conservative retainers.Conservative retainers.  They cannot accept heavy occlusal loads andThey cannot accept heavy occlusal loads and are primarily indicated for anterior teeth.are primarily indicated for anterior teeth.  Require minimal tooth preparation.Require minimal tooth preparation.  Some of them may have small metalSome of them may have small metal extensions, which are designed to be lutedextensions, which are designed to be luted directly on to the lingual surface of thedirectly on to the lingual surface of the abutment teeth using a resin cement.abutment teeth using a resin cement. Ex-Ex- Maryland bridgesMaryland bridges.. www.indiandentalacademy.comwww.indiandentalacademy.com
  • 24. Maryland bridgeMaryland bridge www.indiandentalacademy.comwww.indiandentalacademy.com
  • 25. All metal retainersAll metal retainers  They can be partial or full veneer crowns.They can be partial or full veneer crowns.  Require minimal tooth reduction.Require minimal tooth reduction.  Strong even in thin sections.Strong even in thin sections. www.indiandentalacademy.comwww.indiandentalacademy.com
  • 26. Metal ceramic retainers.Metal ceramic retainers.  May be fabricated asMay be fabricated as entire full veneerentire full veneer crowns.crowns.  May be fabricated asMay be fabricated as facings over the labial/facings over the labial/ buccal surface of thebuccal surface of the full veneer crowns.full veneer crowns.  Relatively more amountRelatively more amount of tooth is reduced here.of tooth is reduced here. www.indiandentalacademy.comwww.indiandentalacademy.com
  • 27. All ceramic retainers.All ceramic retainers.  May be fabricated asMay be fabricated as partial veneer or fullpartial veneer or full veneer crowns.veneer crowns.  Require maximum toothRequire maximum tooth reduction as porcelainreduction as porcelain requires bulk forrequires bulk for adequate strength.adequate strength. www.indiandentalacademy.comwww.indiandentalacademy.com
  • 28. Acrylic retainers.Acrylic retainers.  Used as long termUsed as long term temporary fixed partialtemporary fixed partial dentures.dentures.  They are not indicatedThey are not indicated for permanentfor permanent restorations.restorations. www.indiandentalacademy.comwww.indiandentalacademy.com
  • 29. PonticsPontics  May be defined as,May be defined as, ““An artificial tooth onAn artificial tooth on a fixed partial denturea fixed partial denture that replaces a missingthat replaces a missing tooth, restores itstooth, restores its functions and usuallyfunctions and usually fills the spacefills the space previously filled by apreviously filled by a natural crownnatural crown”.”. www.indiandentalacademy.comwww.indiandentalacademy.com
  • 30. Ideal requirements of a pontic.Ideal requirements of a pontic.  To restore the function of the tooth which itTo restore the function of the tooth which it replaces.replaces.  Should provide good aesthetics.Should provide good aesthetics.  Should be bio-compatible, should not impingeShould be bio-compatible, should not impinge on the tissues and should not cause anyon the tissues and should not cause any allergic reaction.allergic reaction.  Should permit effective oral hygeine.Should permit effective oral hygeine. www.indiandentalacademy.comwww.indiandentalacademy.com
  • 31. Contd ……Contd ……  Preserve underlying mucosa and bone.Preserve underlying mucosa and bone.  Comfortable for the patient.Comfortable for the patient.  Economical.Economical. www.indiandentalacademy.comwww.indiandentalacademy.com
  • 32. Factors affecting the design of aFactors affecting the design of a pontic.pontic.  Space available for theSpace available for the placement of a pontic.placement of a pontic.  The contour of theThe contour of the residual alveolar ridge.residual alveolar ridge.  Amount of occlusal loadAmount of occlusal load that is anticipated forthat is anticipated for that patient.that patient. www.indiandentalacademy.comwww.indiandentalacademy.com
  • 33. Surfaces of a pontic.Surfaces of a pontic.  Gingival surface.Gingival surface.  The material used and the degree of tissueThe material used and the degree of tissue contact affect the success of restoration.contact affect the success of restoration.  Highly glazed porcelain is the material ofHighly glazed porcelain is the material of choice. Equally important is the finish of thechoice. Equally important is the finish of the material.material.  Pontic should never pressurize the alveolarPontic should never pressurize the alveolar mucosa, tissue contact should be minimal.mucosa, tissue contact should be minimal. www.indiandentalacademy.comwww.indiandentalacademy.com
  • 34. Occlusal surface.Occlusal surface.  Size of the occlusal table to be reduced toSize of the occlusal table to be reduced to decrease the load on the abutment.decrease the load on the abutment.  The functional cusp should not be reduced toThe functional cusp should not be reduced to preserve a stable vertical dimension. Thepreserve a stable vertical dimension. The functional cusp is the load bearing cusp of thefunctional cusp is the load bearing cusp of the tooth.tooth.  In the maxillary teeth buccal cusps provideIn the maxillary teeth buccal cusps provide aesthetics. In the lower teeth lingual cusps aidaesthetics. In the lower teeth lingual cusps aid to protect tongue.to protect tongue. www.indiandentalacademy.comwww.indiandentalacademy.com
  • 35. Proximal surfaces.Proximal surfaces.  Vertical clearance should be adequate toVertical clearance should be adequate to permit physiologic contour of the pontic andpermit physiologic contour of the pontic and allow space for the inter proximal tissues.allow space for the inter proximal tissues.  Interproximal embrasures should be left openInterproximal embrasures should be left open to permit easy cleansing.to permit easy cleansing.  Sizes of the maxillary inter-proximal spacesSizes of the maxillary inter-proximal spaces should be reduced for the sake of aesthetics.should be reduced for the sake of aesthetics.  Sufficient space should be given to avoidSufficient space should be given to avoid impingement to the inter-dental papilla.impingement to the inter-dental papilla. www.indiandentalacademy.comwww.indiandentalacademy.com
  • 36. Buccal and lingual surfaces.Buccal and lingual surfaces.  Facial surfaces should be designed withFacial surfaces should be designed with aesthetics as the primary concern ,it shouldaesthetics as the primary concern ,it should resemble the adjacent teeth.resemble the adjacent teeth.  Lingual surfaces should be designed asLingual surfaces should be designed as hygeine as primary concern.hygeine as primary concern. www.indiandentalacademy.comwww.indiandentalacademy.com
  • 37. Posterior pontics.Posterior pontics.  All surfaces should be convex, smooth andAll surfaces should be convex, smooth and well finished.well finished.  Contact with the ridge should be minimal andContact with the ridge should be minimal and passive.passive.  Occlusal table should be in harmony withOcclusal table should be in harmony with other teeth in the arch.other teeth in the arch.  Buccal and lingual embrasures shouldBuccal and lingual embrasures should correspond to the other natural teeth.correspond to the other natural teeth. www.indiandentalacademy.comwww.indiandentalacademy.com
  • 38. Connectors.Connectors.  May be defined as, “May be defined as, “ AA portion of a fixedportion of a fixed partial denture thatpartial denture that unites the retainers andunites the retainers and pontics”.pontics”.  Broadly classified into –Broadly classified into – Rigid connectors.Rigid connectors. Non rigid connectors.Non rigid connectors. www.indiandentalacademy.comwww.indiandentalacademy.com
  • 39. Rigid connectors.Rigid connectors.  Used to unite retainers and pontics in a fixed-Used to unite retainers and pontics in a fixed- fixed partial denture.fixed partial denture.  Transmits entire occlusal load to the abutment.Transmits entire occlusal load to the abutment.  Fabricated by casting a part of multi-unit waxFabricated by casting a part of multi-unit wax pattern or by soldering.pattern or by soldering.  Design of rigid connectors is incorporated inDesign of rigid connectors is incorporated in the wax pattern.the wax pattern. www.indiandentalacademy.comwww.indiandentalacademy.com
  • 40. Non rigid connectors.Non rigid connectors.  Indicated in cases where a single path ofIndicated in cases where a single path of insertion is cannot be achieved due to noninsertion is cannot be achieved due to non parallel abutments.parallel abutments.  Allow limited movement between the retainerAllow limited movement between the retainer and the pontic.and the pontic. www.indiandentalacademy.comwww.indiandentalacademy.com
  • 41. Thank you For more details please visit www.indiandentalacademy.com www.indiandentalacademy.comwww.indiandentalacademy.com

×