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Introduction to fixed(new)

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  • 1. Introduction to Fixed Prosthodontics Dr. Feras Aalam
  • 2. Prosthodontics
    • The dental specialty concerned with the making of artificial replacements for missing parts of the mouth and jaw. Also called prosthetic dentistry or prosthodontia.
    • Fixed prosthodontics is the specialized area of dentistry involved in the replacement of missing teeth with a cast prosthesis permanently cemented in place.
  • 3. Indications for Fixed Prosthodontics
    • One or two adjacent teeth are missing in the same arch.
    • The supportive tissues are healthy.
    • Suitable abutment teeth are present.
    • The patient is in good health and wants to have the prosthesis placed.
    • The patient has the skills and motivation to maintain good oral hygiene.
  • 4. Contraindications for Fixed Prosthodontics
    • Necessary supportive tissues are diseased or missing.
    • Suitable abutment teeth are not present.
    • The patient is in poor health.
    • The patient is not motivated to have the prosthesis placed.
    • The patient has poor oral hygiene habits.
    • The patient cannot afford the treatment.
  • 5. Types of Cast Restorations
    • Inlay
      • Indirect restoration Covers a portion of the occlusal and proximal surface. (dose not cover the cusps)
    • Onlay
      • Indirect restoration Covers the proximal surfaces and most or all of the occlusal surface. (covers the cusps)
    • Porcelain Veneers
      • Thin shell-like covering placed to improve the appearance of anterior teeth.
  • 6.
    • Full metal crown
      • Completely covers the anatomic crown of an individual tooth.
    • Three‑quarter crown
      • Covers the anatomic crown of a tooth except for the facial portion.
    • Porcelain‑fused‑to‑metal crown (PFM)
      • Full metal crown with outer surfaces covered with a veneer of porcelain.
    Types of Cast Restorations  cont’d
  • 7.
    • Fixed bridge
      • A prosthesis for or more missing teeth within the same arch.
    Types of Cast Restorations  cont’d
    • Full ceramic crown
      • Completely covers the anatomic crown of an individual tooth.
  • 8. Crown Fabrication
    • 1. Tooth Preparation, Including Build-Up
    • 2. Impression
    • 3. Temporization
    • 4. Model (Cast) and Die Fabrication
    • 5. Wax-Up
    • 6. Investing and Casting
    • 7. Crown Adjusting and Polishing
    • 8. Clinical Try-In and Cementation
  • 9. Restorations
  • 10.  
  • 11.  
  • 12.  
  • 13.  
  • 14.  
  • 15.  
  • 16.  
  • 17. Tooth Preparations
  • 18.
    • The tooth is prepared so the cast restoration can slide into place and be able to withstand the forces of occlusion.
        • Rotary instruments are used to reduce the height and contour of the tooth.
        • Hand cutting and rotary instruments prepare the gingival margins.
    Tooth Preparation
  • 19.  
  • 20.  
  • 21.  
  • 22.  
  • 23.  
  • 24.  
  • 25.  
  • 26.  
  • 27. Build-Ups Pin Retained Preformed Posts Custom Cast Post and Core
  • 28. Build-Ups Pin Retained
  • 29.  
  • 30.  
  • 31.  
  • 32. Build-Ups Preformed Posts
  • 33.  
  • 34.  
  • 35.  
  • 36.  
  • 37. Build-Ups Custom Cast Post and Core
  • 38.  
  • 39.  
  • 40.  
  • 41.  
  • 42.  
  • 43. Impressions
  • 44.
    • Cord temporarily displaces the gingival tissue and widens the gingival sulcus so impression material can flow around all parts of the preparation.
        • Nonimpregnated
        • Impregnated
    Gingival Retraction and Tissue Management
  • 45.  
  • 46.
    • Elastomeric impression materials are used to create these extremely accurate impressions.
    Final Impression
  • 47.  
  • 48.  
  • 49.  
  • 50. Temporaries
    • Custom made acrylic
    • Relined polycarbonate crowns
    • Preformed metal crowns
  • 51. Temporaries
        • Custom made acrylic
  • 52.  
  • 53.  
  • 54.  
  • 55. Temporaries
    • Relined polycarbonate crowns
  • 56.  
  • 57.  
  • 58. Temporaries
    • Preformed metal crowns
  • 59.  
  • 60.  
  • 61. Model (Cast) and Die Fabrication
  • 62.  
  • 63.  
  • 64.  
  • 65. Series
  • 66.  
  • 67.  
  • 68.  
  • 69.  
  • 70.  
  • 71.  
  • 72.  
  • 73.  
  • 74.  
  • 75.  
  • 76.  
  • 77.  
  • 78. Thank you