UDLT 107 - Removable Prosthodontics - Partial Dentures

Prerequisite(s): UDLT 101, 102 and 103, or concurrent enrollment.
 

  

1. Describe infection control procedures on all incoming impressions and prostheses 
2. Explain pouring and trimming preliminary and master models for removable partial dentures (RPDs). 
3. Demonstrate the Kennedy Classification system 
4. Describe treatment partials with wrought wire clasps 
5. Compare and contrast various types of RPDs. ridged, flexible, combination 
6. Define terminology associated with removable partial denture prostheses 
7. Explain the design of various RPD frameworks using digital workflow 
8. Explain the design of various RPD frameworks using a digital workflow 
9. Explain design transfer of framework design to the master cast and measurement of undercuts 
10. Explain block-out procedures to eliminate undesirable undercuts 
11. Explain master cast duplication 
12. Explain refractory model preparation and use 
13. Identify and explain safety procedures in working with gypsum, refractory materials, silica dust and dental waxes 
14. Describe RPD framework pattern formation on a refractory cast 
15. Explain spruing and investing RPD framework for casting 
16. Identify and explain safety procedures in burning out and alloy casting 
17. Explain burnout procedures to eliminate wax and prepare molds to receive alloy 
18. Identify and explain safety procedures in framework recovery and metal finishing 
19. Describe recovery of framework castings 
20. Describe the metal finishing and polishing of RPD frameworks 
21. Explain tooth selection and setting for RPD 
22. Explain process and finish tooth setup and RPD framework 
23. Compare and contrast soldered and laser-welded repairs on  RPD frameworks 
24. Explain use of 3D castable resin for RPD 
25. Explain scanning protocols with and without model 
26. Explain Selective Laser Melt (SLM) printed RPD frameworks

1. Evaluation of Preliminary Impressions and Fabrication of Preliminary Models 
   1. Interpretation of dental prescriptions and work authorizations
   2. Kennedy Classifcation System 
   3. Infection control and disinfecting procedures 
   4. Impression evaluation 
   5. Gypsum materials selection, manipulation, and safety procedures 
      1. Buff stone vs Type IV stone 
   6. Preliminary model trimming and evaluation 
2. Preliminary Model Survey and Removable Partial Denture (RPD) Design 
   1. Introduction to terminology associated with RPDs 
   2. Theory of clasping teeth 
      1. Support 
      2. Retention 
      3. Bracing 
   3. Introducing to dental surveyors 
      1. Desireable undercuts 
      2. Undesireable undercuts 
      3. Path of insertion 
   4. Preparation of preliminary RPD design 
   5. Discussion of dentists’ responsibility 
      1. Approval of final RPD design 
      2. Mouth preparation of patient 
3. Design of Treatment Partials with Wrought Wire Clasps 
4. Evaluation of Final Impressions and Fabrication of Master Models 
   1. Interpretation of dental prescriptions and work authorizations 
   2. Infection control and disinfectioning procedures 
   3. Impression evaluation 
   4. Gypsum materials selection, manipulation, and safety procedures 
   5. Master model trimming and evaluation 
5. Survey, Design Transfer to Master Model, and Block out Procedures 
   1. Determination of path of insertion 
   2. Location and identification of desirable and undesirable undercuts 
   3. Design transfer to master model 
   4. Blocking out gross undercuts 
   5. Blocking out undesirable undercuts 
6. Model Duplication and Refractory Casts 
   1. Duplicating materials selection, manipulation, and safety procedures 
   2. Production of a mold from master model 
   3. Investment material selection, manipulation, and safety procedures 
   4. Production of refractory casts 
7. Creating Wax Pattern for RPD Framework 
   1. Dental wax selection, manipulation, and safety procedures 
   2. Use of performed pattern pieces for RPD wax up 
8. Spruing and Investing RFP Frameworks 
   1. Introduction to the theory of lost wax and centrifugal casting 
   2. Lost wax casting and centrifugal casting safety procedures
   3. Development of a working sprue network 
   4. Investment of RPD frameworks 
9. Burnout and Alloy Casting 
   1. Gas torch and burnout furnace safety procedures 
   2. Introduction to torch flame types 
   3. Introduction to induction casting 
   4. Introduction to alloy melting and conditioning 
   5. Burnout and cast RPD frameworks 
10. Recovery of RPD Casting 
    1. RPD recovery and oxide removal safety procedures 
    2. Gross investment removal 
    3. Aluminum oxide blasting 
11. Metal Finishing and Polishing 
    1. Review of dental lathe, finishing, polishing, and electropolishing safety procedures 
    2. Removal of button and sprue network 
    3. Blending in sprue attachments 
    4. Removing scratches with finer scratches 
    5. Creating a hygienic surface 
    6. Electropolishing  
12. Occlusion Rims, Prosthetic Tooth Selection, and Tooth Setting 
    1. Prosthetic tooth placement and relationship to the edentulous ridge 
    2. Baseplate wax manipulation and safety considerations
    3. Anterior tooth selection 
       1. Face forms 
       2. Shade 
       3. Size 
       4. Interpretation of dentist’s markings on occlusion rims 
       5. Prosthetic tooth composition 
    4. Posterior tooth selection 
       1. Cusp angle 
       2. Shade 
       3. Size 
       4. Interpretation of dentist’s markings on occlusion rims 
       5. Prosthetic tooth composition 
    5. Finishing the wax denture base 
       1. Gingival contour 
       2. Interdental papilla 
       3. Cuspid eminence 
       4. Stipplng 
13. Processing the Trail RPD 
    1. Interpretation of dental prescriptions and work authorizations 
    2. Infection control and disinfecting procedures 
    3. Flasking dentures 
    4. Boil out and wax elimination 
    5. Packing denture mold
       1. Non-autopolymerizing acrylic resin manipulation and safety procedures 
       2. Packing 
       3. Clamping 
       4. Heat processing 
14. Finishing RPDs 
    1. Recovery 
    2. Remounting of the semi-adjustable articular 
    3. Correcting processing errors 
    4. Removing RFD from master cast 
    5. Trimming to defined borders 
    6. Stippling 
    7. High shine 
15. Soldering and Laser Welding of Dental Alloys 
    1. Electro soldering and gas soldering safety procedures 
    2. Laser safety 
    3. Matrixes/foils 
    4. Fluxes 
    5. Finishing 
16. Digitally Derived RPD Frameworks 
    1. Digital impressions 
    2. Virtual model preparation and survey