Introduction to fixed prosthodontics


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introduction to fixed prosthodontics, types of cast restorations, indications and contraindicaitons.

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Introduction to fixed prosthodontics

  1. 1. بسم الله الرحمن الرحيم
  2. 2. Introduction to Fixed Prosthodontics By Dr Amira Gomaa
  3. 3. <ul><li>1- Definitions of Fixed Prosthodontics </li></ul><ul><li>2- Aims </li></ul><ul><li>3- Indications </li></ul><ul><li>4- Contraindications </li></ul><ul><li>5- Types of Cast Restorations </li></ul><ul><li>6- Components of FPD </li></ul>
  4. 4. 1- Definitions <ul><li>Fixed prosthodontics is the specialized area of dentistry involved in the replacement of missing teeth with a cast prosthesis permanently cemented in place. </li></ul><ul><li>Fixed Partial Denture (PDF) or Bridge : </li></ul><ul><li>Defined as a prosthetic appliance permanently attached to remaining </li></ul><ul><li>teeth, which replaces one or more </li></ul><ul><li>missing teeth. </li></ul>
  5. 5. 2- Aims of Fixed Prosthodontics <ul><li>The aims of fixed prosthodontic treatments are to: </li></ul><ul><li>Restore function and mastication </li></ul><ul><li>Restore aesthetics </li></ul><ul><li>Maintain health and integrity of dental arch </li></ul><ul><li>Support the treatment of problems related to TMJ </li></ul>
  6. 6. 2-Aims of Fixed Prosthodontics <ul><li>Restore function and mastication </li></ul>
  7. 7. 2-Aims of Fixed Prosthodontics <ul><li>Restore aesthetics </li></ul>
  8. 8. 2- Aims of Fixed Prosthodontics <ul><li>Maintain health and integrity of dental arch </li></ul>Loss of a mandibular first molar not replaced with an FPD. The typical consequences are supraclusion of opposing teeth
  9. 9. 2- Aims of Fixed Prosthodontics <ul><li>Support the treatment of problems related to TMJ </li></ul>
  10. 10. 3- Indications for Fixed Prosthodontics <ul><li>One or two adjacent teeth </li></ul><ul><li>are missing in the same arch. </li></ul><ul><li>The supportive tissues are healthy. </li></ul><ul><li>Suitable abutment teeth are present. </li></ul><ul><li>The patient is in good health and wants to have the prosthesis placed. </li></ul><ul><li>The patient has the skills and motivation to maintain good oral hygiene. </li></ul>
  11. 11. 4- Contraindications for Fixed Prosthodontics <ul><li>Necessary supportive tissues </li></ul><ul><li>are diseased or missing. </li></ul><ul><li>Suitable abutment teeth are not present. </li></ul><ul><li>The patient is in poor health. </li></ul><ul><li>The patient is not motivated to have the prosthesis placed. </li></ul><ul><li>The patient has poor oral hygiene habits. </li></ul><ul><li>The patient cannot afford the treatment. </li></ul>
  12. 12. 5- Types of Cast Restorations <ul><li>1- Inlay </li></ul><ul><li>2- Onlay </li></ul><ul><li>3- Porcelain Veneers </li></ul><ul><li>4- Full crown . </li></ul><ul><li>5- Three-quarter crown . </li></ul><ul><li>6- Porcelain‑fused‑to‑metal crown (PFM) </li></ul><ul><li>7- Fixed bridge </li></ul><ul><li>8- Resin bonded bridge . </li></ul>
  13. 13. Types of Cast Restorations <ul><li>1- Inlay </li></ul><ul><ul><li>Covers a portion of the occlusal and proximal surface. </li></ul></ul>
  14. 14. Types of Cast Restorations <ul><li>2- Onlay </li></ul><ul><ul><li>Covers the proximal surfaces and most or all of the occlusal surface. </li></ul></ul>
  15. 15. Types of Cast Restorations <ul><li>3- Porcelain Veneers </li></ul><ul><ul><li>Thin shell-like covering placed to improve the appearance of anterior teeth. </li></ul></ul><ul><ul><li>Indication </li></ul></ul><ul><li>Elimination of diastema </li></ul><ul><li>Enamel h ypoplesia </li></ul><ul><li>Erosion and abrasion </li></ul>
  16. 16. Diastema before treatment Erosion Enamel hypoplesia Enamel hypoplesia Enamel hypoplesia After treatment
  17. 17. <ul><ul><li>Enamel hypoplesia Before treatment </li></ul></ul><ul><ul><li>After treatment </li></ul></ul>Enamel hypoplesia Before treatment After treatment
  18. 18. <ul><li>4- Full crown </li></ul><ul><ul><li>Completely covers the anatomic crown of </li></ul></ul><ul><ul><li>an individual tooth .. </li></ul></ul><ul><ul><li>Indication </li></ul></ul><ul><ul><li>Recurrent caries </li></ul></ul><ul><ul><li>Fractured crown </li></ul></ul><ul><ul><li>Amelogenesis imperfecta </li></ul></ul><ul><ul><li>Tetracyclin e stain </li></ul></ul>Types of Cast Restorations 
  19. 19. Recurrent caries before treatment Recurrent caries before treatment <ul><ul><li>Fractured crown Before treatme nt </li></ul></ul><ul><ul><li>Fractured crown After treatment </li></ul></ul>Recurrent caries After treatment
  20. 20. <ul><ul><li>Tetracycline stain </li></ul></ul><ul><ul><li>Amelogenesis imperfecta </li></ul></ul><ul><ul><li>before </li></ul></ul><ul><ul><li>Amelogenesis imperfecta </li></ul></ul><ul><ul><li>after </li></ul></ul>Larg Diastema before treatment Larg Diastema After treatment
  21. 21. <ul><li>5- Three‑quarter crown </li></ul><ul><ul><li>Covers the anatomic crown of a tooth except for the facial portio n. </li></ul></ul>Types of Cast Restorations  Partial Crow
  22. 22. <ul><li>6- P orcelain‑fused‑to‑metal crown (PFM ) </li></ul><ul><ul><li>Full metal crown with outer surfaces covered with a veneer of porcelain . </li></ul></ul>Types of Cast Restorations 
  23. 23. <ul><li>7- Fixed bridge </li></ul><ul><ul><li>A prosthesis for one or more missing teeth within the same arch . </li></ul></ul>Types of Cast Restorations 
  24. 24. <ul><ul><li>Also known as a Maryland bridge , with wing like extensions coming from the proximal sides. </li></ul></ul>8- Resin bonded bridge
  25. 25. <ul><li>Components of FPD: </li></ul><ul><li>Abutment: A tooth serving as attachment to FPD </li></ul><ul><li>Pontic: The artificial tooth suspended from abutment teeth </li></ul><ul><li>Retainer: Extracoronal restorations cemented to prepared abutment teeth </li></ul><ul><li>Connector: rigid o non-rigid joint connection between the pontic and the retainer </li></ul>
  26. 26. A bridge found in a mummy
  27. 27. Thank You!