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PowerPoint ®  Presentation for  Dental Materials with Labs Module: Prosthodontics: Fixed Prosthodontics
Module: Prosthodontics:  Fixed Prosthodontics Prosthodontics: Fixed Prosthodontics Part A: Types of Fixed Prosthetics Part...
Module: Prosthodontics:  Fixed Prosthodontics <ul><li>Learning Objectives </li></ul><ul><li>1.  Define the Key Terms. </li...
Fixed Prosthetics <ul><li>Learning Objectives </li></ul><ul><li>5.  Demonstrate assisting during a crown </li></ul><ul><li...
Key Terms <ul><li>Abutments </li></ul><ul><li>Bite registration </li></ul><ul><li>Cosmetic/esthetic dentistry </li></ul><u...
Part A: Types of Fixed Prosthodontics Restore masticatory function Improve appearance Improve speech Promote good oral hyg...
Contraindications for a Fixed Prosthesis Lack of supporting alveolar bone Presence of periodontal disease Excessive mobili...
Cosmetic Dentistry Esthetics Closing a diastema Orthodontics Changing shade Occlusion Tooth  whitening Changing  shape Res...
Types of Fixed Prostheses Fixed  prostheses Inlays   Porcelain veneers Direct resin veneers Indirect resin veneers   Bridg...
Materials Used for Fixed Prostheses Composite resin Porcelain Porcelain fused to metal Gold alloy
Retention of Restorations <ul><li>Core buildup </li></ul><ul><ul><li>Recreation of lost tooth structure </li></ul></ul><ul...
The Dental Laboratory <ul><li>Dental lab technician </li></ul><ul><ul><li>Fabricates restoration </li></ul></ul><ul><ul><l...
Dental Assistant Responsibilities <ul><li>Communicate closely with lab technician </li></ul><ul><li>Dental assistant </li>...
Part B: Fixed Prosthesis Procedures Crown preparation set-up
Selecting a Tooth Shade <ul><li>Before preparation </li></ul><ul><li>Moisten shade guide </li></ul><ul><li>Match to natura...
Margin Preparations
Tissue Retraction <ul><li>Placed in gingival sulcus </li></ul><ul><li>Mechanical and chemical retraction </li></ul><ul><li...
Elastomeric Impressions
Provisional Restorations Temporary coverage to protect tooth between appointments Fit gingival margin snugly Protect gingi...
The Laboratory Prescription Description of prosthesis Dentist’s information Date  requested Materials for prosthesis   Pat...
Crown Cementation <ul><li>Check fit </li></ul><ul><ul><li>Margin </li></ul></ul><ul><ul><li>Contacts </li></ul></ul><ul><u...
Fixed Prostheses Maintenance <ul><li>Crowns </li></ul><ul><li>Bridges </li></ul><ul><li>Dental implants  </li></ul>Plaque ...
Assessment Questions <ul><li>What is the term for the tooth being replaced in a bridge? </li></ul><ul><li>The pontic  </li...
Summary of Module <ul><li>Key Terms </li></ul><ul><li>Types of fixed prosthetics </li></ul><ul><li>Fixed prostheses proced...
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  1. 1. PowerPoint ® Presentation for Dental Materials with Labs Module: Prosthodontics: Fixed Prosthodontics
  2. 2. Module: Prosthodontics: Fixed Prosthodontics Prosthodontics: Fixed Prosthodontics Part A: Types of Fixed Prosthetics Part B: Fixed Prostheses Procedures
  3. 3. Module: Prosthodontics: Fixed Prosthodontics <ul><li>Learning Objectives </li></ul><ul><li>1. Define the Key Terms. </li></ul><ul><li>2. Describe various types of fixed </li></ul><ul><li>prostheses and their functions. </li></ul><ul><li>3. Describe dental materials used in fixed </li></ul><ul><li>prostheses. </li></ul><ul><li>4. Explain the role of the dental assistant in </li></ul><ul><li>fixed prosthodontic treatment. </li></ul>
  4. 4. Fixed Prosthetics <ul><li>Learning Objectives </li></ul><ul><li>5. Demonstrate assisting during a crown </li></ul><ul><li>preparation appointment. </li></ul><ul><li>6. Demonstrate assisting during a crown cementation appointment. </li></ul>
  5. 5. Key Terms <ul><li>Abutments </li></ul><ul><li>Bite registration </li></ul><ul><li>Cosmetic/esthetic dentistry </li></ul><ul><li>Dental casting alloy </li></ul><ul><li>Fixed prosthodontics </li></ul><ul><li>Full-cast crown </li></ul><ul><li>Inlays </li></ul><ul><li>Maryland bridge </li></ul><ul><li>Onlays </li></ul><ul><li>Partial crown </li></ul><ul><li>Pontic </li></ul><ul><li>Porcelain-to-metal crowns </li></ul><ul><li>Post-retained cores </li></ul><ul><li>Prostheses </li></ul><ul><li>Retention core </li></ul><ul><li>Retention pins </li></ul><ul><li>Shade guide </li></ul><ul><li>Veneers </li></ul>
  6. 6. Part A: Types of Fixed Prosthodontics Restore masticatory function Improve appearance Improve speech Promote good oral hygiene Stabilize arch and occlusion Purpose of Prosthodontics
  7. 7. Contraindications for a Fixed Prosthesis Lack of supporting alveolar bone Presence of periodontal disease Excessive mobility of abutment teeth Lack of patient interest in oral hygiene Patient cannot afford treatment
  8. 8. Cosmetic Dentistry Esthetics Closing a diastema Orthodontics Changing shade Occlusion Tooth whitening Changing shape Restoring strength Veneers Repairing fractures Tooth lengthening Crowns and bridges
  9. 9. Types of Fixed Prostheses Fixed prostheses Inlays Porcelain veneers Direct resin veneers Indirect resin veneers Bridges Onlays Partial crown Full-cast crown
  10. 10. Materials Used for Fixed Prostheses Composite resin Porcelain Porcelain fused to metal Gold alloy
  11. 11. Retention of Restorations <ul><li>Core buildup </li></ul><ul><ul><li>Recreation of lost tooth structure </li></ul></ul><ul><li>Retention pins </li></ul><ul><ul><li>Screwed into dentin </li></ul></ul><ul><ul><li>Hold core filling material </li></ul></ul><ul><li>Post and core </li></ul><ul><ul><li>After root canal therapy </li></ul></ul><ul><ul><li>Strengthens tooth </li></ul></ul>
  12. 12. The Dental Laboratory <ul><li>Dental lab technician </li></ul><ul><ul><li>Fabricates restoration </li></ul></ul><ul><ul><li>Makes die from impression </li></ul></ul><ul><ul><li>Creates wax pattern on die </li></ul></ul><ul><ul><li>Invests wax and casts invested material into metal </li></ul></ul><ul><ul><li>Prepares metal for porcelain layers </li></ul></ul><ul><ul><li>Finishes and polishes final restoration </li></ul></ul>
  13. 13. Dental Assistant Responsibilities <ul><li>Communicate closely with lab technician </li></ul><ul><li>Dental assistant </li></ul><ul><ul><li>Inform patient of procedure steps </li></ul></ul><ul><ul><li>Prepare equipment and supplies </li></ul></ul><ul><ul><li>Assist dentist during procedure </li></ul></ul><ul><ul><li>Expanded functions in many states </li></ul></ul><ul><ul><li>Coordinate patient appointments </li></ul></ul><ul><ul><li>Some lab procedures performed in office </li></ul></ul>
  14. 14. Part B: Fixed Prosthesis Procedures Crown preparation set-up
  15. 15. Selecting a Tooth Shade <ul><li>Before preparation </li></ul><ul><li>Moisten shade guide </li></ul><ul><li>Match to natural teeth under natural light </li></ul><ul><li>Record in patient’s chart </li></ul><ul><li>Record on lab prescription </li></ul>
  16. 16. Margin Preparations
  17. 17. Tissue Retraction <ul><li>Placed in gingival sulcus </li></ul><ul><li>Mechanical and chemical retraction </li></ul><ul><li>Prevents bleeding </li></ul><ul><li>Ensures impression of gingival margin </li></ul>
  18. 18. Elastomeric Impressions
  19. 19. Provisional Restorations Temporary coverage to protect tooth between appointments Fit gingival margin snugly Protect gingiva and interproximal areas Stabilize contacts and occlusion Esthetics and patient comfort
  20. 20. The Laboratory Prescription Description of prosthesis Dentist’s information Date requested Materials for prosthesis Patient’s name Tooth shade
  21. 21. Crown Cementation <ul><li>Check fit </li></ul><ul><ul><li>Margin </li></ul></ul><ul><ul><li>Contacts </li></ul></ul><ul><ul><li>Occlusion </li></ul></ul><ul><li>Adjust if necessary </li></ul><ul><li>Permanent cement </li></ul>
  22. 22. Fixed Prostheses Maintenance <ul><li>Crowns </li></ul><ul><li>Bridges </li></ul><ul><li>Dental implants </li></ul>Plaque removal Antimicrobial rinses Water irrigators Interproximal bushes Dental floss Threading systems Toothbrush
  23. 23. Assessment Questions <ul><li>What is the term for the tooth being replaced in a bridge? </li></ul><ul><li>The pontic </li></ul><ul><li>What is the term for the stabilizing teeth on each side of the pontic? </li></ul><ul><li>The abutments </li></ul><ul><li>Where is the gingival retraction cord placed? </li></ul><ul><li>In the gingival sulcus around the collar of the tooth </li></ul>
  24. 24. Summary of Module <ul><li>Key Terms </li></ul><ul><li>Types of fixed prosthetics </li></ul><ul><li>Fixed prostheses procedures </li></ul>
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