Fixed prosthodontics lesson 5

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Fixed prosthodontics lesson 5

  1. 1. INTRODUCTION& TERMINOLOGY Bridge (FPD) Part I: General Components considerations
  2. 2. It is a fixed restorationwhich replaces one or moremissing teeth. It is cemented to thenatural teeth, roots or fixedwith a screw to an implant. It has 3 components: - Pontic - Connectors - Retainer
  3. 3.  Retainer it is an fixed restoration, usually in the form of crown, which is cemented to the prepared abutment tooth, to provide stabilization for the Fixed partial denture (FPD). Retainer
  4. 4. According to retention, retainers are classified as: - Extra coronal retainers - Intra coronal retainers - Intra radicular retainers
  5. 5.  Full coverage: * Full metal crown * Metal ceramic crown * Jacket crown * Telescopic crown** Partial coverage: * ¾ crown * Reversed ¾ crown * ½ crown * Pin-ledge *Telescopic crown: it is referred to as a double crown. It is consists of two parts: fixed primary (inner telescope * Modified type crown) and removable secondary (outer telescope crown interlocking on top of the fixed.
  6. 6.  Inlay { M.O.D inlay* is the most commonly used} Onlay By post By post and core Pin-ledge Combination of the above *M.O.D inlay: it is a fixed restoration restores the damaged occlusal and proximal (mesial and distal) surfaces of the tooth without covering the cusps.
  7. 7.  Abutment tooth it is a natural tooth or an implant used to support and retain the FPD at one or both terminals. Abutment
  8. 8.  According to its position in relation to edentulous area, it is classified as: - Primary abutment: that provides the bridge with prime means of support. - Secondary abutment: that supports the primary abutment in addition to that provides the support to the bridge. - Pier abutment: is an isolated or intermediate abutment where the anterior and posterior adjacent teeth to it are missing. - Distal abutment: that is situated distal to the edentulous area or the last abutment distally.
  9. 9.  According to its nature, it is classified as: - natural tooth * full tooth (crown and root) * remaining root (post and core) - implant
  10. 10.  Pontic is it an artificial coronal part of the meaning tooth to be replaced.
  11. 11.  According to the material used in its construction: - Metallic - Combination between metal and resin - Combination between metal and ceramic - All ceramic - All resin According to its interface relationship between the residual alveolar ridge and the gingiva: - Lap - Modified Lap - Hygienic - Saddle type
  12. 12.  Connector (or joint) it is that part of FPD that joins its components with each other, retainer with pontic, retainer with retainer or pontic to pontic.
  13. 13. they are classified into:1. Rigid connector: - cast connector - soldered connector * pre- soldered * post-soldered2. Semi-rigid connector: - interlocks custom made - precision attachment3. Loop or a spring type
  14. 14. What does Fixed partial denture mean?Enumerate its components and give a definition for each of them.What are the types of abutment tooth?

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