UDLT 105 - Non-Metallic Dental Materials

Co-requisite(s): UDLT 101, 102, and 103, or concurrent enrollment. 

1. Identify chemical and physical properties of matter and materials.
2. Identify and interpret Material Safety Data Sheets (MSDS)
3. Select and properly use Personal Protective Equipment (PPE) based on the MSDS. 
4. Manage materials inventory system. 
5. Describe safe material storage and handling. 
6. Describe the identification and disinfect dental impression materials. 
7. Describe the manipulation of various impression materials. 
8. Select gypsum materials based on prescription and the work to be performed. 
9. Describe and manipulate gypsum products 
10. Describe the selection of dental waxes based on the prescription and work to be performed. 
11. Describe the safe use of dental waxes. 
12. Describe and explain corrections for wax discrepancies such as shape memory and cooling contraction. 
13. Describe the selection of refractory materials based on prescription and the material to be cast, fired, soldered or laser welded. 
14. Describe and manipulate refractory materials.
15. Describe methods of controlling expansion of refractory materials.
16. Identify and select  acrylic resin materials based on prescription and work to be performed. 
17. Describe proper technique for the use of acrylic resins. 
18. Describe SLA printing and 3D printer resins.

1. Introduction to Dental Materials 
   1. American Dental Association (ADA) specifications 
   2. Properties of matter 
   3. Physical and chemical properties required for dental materials
   4. Precautions for handling materials/hazardous substances/Occupational Safety and Health Administration (OSHA) regulations, PPE, SDS 
   5. Safe use of laboratory equipment 
2. Management of Materials 
   1. Inventory systems
   2. Material storage 
      1. Safety 
      2. Shelf life 
3. Impression Material 
   1. Identification and proper handling of various impression materials
      1. Agar hydrocolloid (reversable hydrocolloaid) 
      2. Rubber impression materials and elastomers 
      3. Alginate 
   2. Impression trays
   3. Disinfection of dental impressions, trimming, blocking out re-disinfection 
   4. Model duplication 
4. Gypsum Materials 
   1. Identification, application, and selection of gypsum material 
      1. Plaster 
      2. Articulating plaster 
      3. Orthodonic plaster 
      4. Hydrocal 
      5. Laboratory stone 
      6. Die stone 
   2. Manipulation and use of gypsum materials 
      1. Powder water ratio 
      2. Water temperature
      3. Setting expansion 
      4. Preliminary set 
      5. Final set
      6. Crush strength 
      7. Crystalline structure 
      8. Laminar flow, vibration, and the bubble-free model 
   3. Pouring study, preliminary, and working models
      1. Disinfecting impression material 
      2. Trimming impressions 
      3. Blocking out undercuts 
   4. Trimming pour cast
5. Dental waxes 
   1. Identification and selection of dental waxes 
   2. Safe heating and use of dental wax 
   3. Correcting for wax discrepancies 
      1. Cooling contraction 
      2. Shape memory 
6. Refractory Materials 
   1. Identification and selection of refractory materials
      1. Casting investment 
         1. Gypsum bound 
         2. Phosphate bound 
         3. Crystobalite 
      2. Soldering investment 
      3. Refractory dies 
   2. Manipulation of refractory materials expansion control 
      1. Burnout temperature 
      2. Power water ratio 
      3. Special liquid water ratio
7. Resin 
   1. Identification and selection of acrylic resins 
      1. Non-autopolymerizing acrylic resin 
      2. Autopolymerizing acrylic resin 
      3. Denture base resin 
      4. Orthodonic resin 
      5. Repair and reline resin 
      6. Custom tray material 
   2. Manipulation of acrylic resin materials 
      1. Salt and pepper technique 
      2. Dough technique 
      3. Pour technique 
      4. Heat cure 
      5. Microwave technique 
      6. Injection molding 
      7. Pressure pot cure 
   3. Compare and contrast analogue resin techniques and 3D printed resin 
      1. SLA printing process 
      2. Post processing 
      3. 3D Printer Resin Storage 
      4. Waste resin and solvent disposal