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Definition

  • An artificial tooth on a fixed partial denture that replaces the missing tooth restores its function and usually fills the space previously filled by the natural crown.

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Requirements

  • Restore function of the replaced tooth.
  • Provide aesthetics and function.
  • Should be biologically acceptable.
  • Permit effective oral hygiene.
  • Preserve the underlying residual ridge and mucosa.
  • Have adequate strength to withstand occlusal forces.

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Classification no : 1.

Mucosal Contact

WITH Mucosal contact

WITHOUT Mucosal contact

  1. Ridge Lap /Saddle pontic.
  2. Modified ridge lap .
  3. Ovate pontic.
  4. Conical pontic.
  1. Sanitary Hygenic Pontic.
  2. Mod. Sanitary Pontic/

Perel Pontic / Arc shaped FPD.

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Classification no : 2

  1. All metal pontics.
  2. All ceramic pontics.
  3. Metal ceramic pontics.
  4. Metal with resin facing pontics.
  5. Fibre reinforced composite pontics.

Materials Used

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Classification no : 3

Method of Fabrication

Custom Made Pontics

Prefabricated Pontics

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With Mucosal contact

Ridge Lap or Saddle Pontic.

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Advantages

  • The emergence profile of a pontic simulates the adjacent natural tooth, thus it is aesthetically superior.

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Disadvantages.

  • Difficult to maintain .

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  • Cause Tissue irritation.

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Modified Ridge Lap

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Advantages

  • Superior aesthetics.

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  • Easy hygiene maintainence

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Disadvantages.

  • Hygiene maintenance is less than Sanitary pontic.

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Ovate Pontic

  • One of the most aesthetically appealing designs.

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Modified sanitary pontic�Perel Pontic

Arc Shaped Pontic

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  • Design :
    • “ Hyperbolic Paraboloid “.
    • Undersurface is CONVEX – Faciolingually
    • Provides strength to the connectors and at the same time easier cleansing.

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Materials Used

All Metal Pontics

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  • Indications
    • Areas NOT of aesthetic concern.
    • High stress bearing areas.
    • Patients with Parafunctional Habits.

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  • Contraindications
    • Cannot be used if aesthetics is of prime concern.

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  • Advantages.
    • High strength.
    • Easy to fabricate
    • Used in areas with insufficient pontic space.

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  • Disadvantages.
    • Poor aesthetics.
    • Galvanism.

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All Ceramic Pontics

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  • Indications.
    • Areas of prime aesthetic concern.

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  • Contraindications.
    • Patients with parafunctional habits.
    • Reduced interarch space.
    • Long span bridges.

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  • Advantages.
    • Highly Aesthetic.
    • Good strength.

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  • Disadvantages.
    • High cost.
    • Less strength than PFM

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Metal – Ceramic Pontics.

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  • Advantages.
    • Used in all clinical situations.
    • Good aesthetics.
    • Adequate strength.
    • Biocompatable.

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  • Disadvantages.
    • Extensive lab procedure.

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Metal with resin facing pontics

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  • Indication
    • Long term provisional restorations.

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  • Contraindications
    • Definitive restoration.

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  • Advantages .
    • Cost effective.
    • Easy fabrication.
    • Fairly good aesthetics.

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  • Disadvantages.
    • Low strength.
    • Lesser abrasion resistant.
    • Easily discoloured.
    • Permissable to oral fluids.

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Fiber reinforced composite pontics.

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Indications

  • Resin bonded fixed prosthodontics.
  • Good oral hygiene.
  • Anterior single tooth missing situations.
  • Short span bridges.
  • As temporary restorations in young adults till a permanent prosthesis is fabricated.

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Contraindications.

  • Replacement of posterior missing teeth.
  • Long span bridges.
  • Deep bite cases.

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Advantages.

  • Easy chair side procedure
  • Acceptable aesthetics and shade matching.
  • Minimal tooth preparation required.
  • Used in young patients with large pulp chambers.

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Disadvantages

  • Less strength.
  • Cannot be used in cases of multiple missing teeth.

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  • Advantage: provide superior aesthetics asn adaptation of the prosthesis.

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  • Disadvantage : Extensive fabrication procedure.

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Prefabricated pontics.