Maricopa Community Colleges  DHE202   19936-20006 
Official Course Description:   MCCCD Approval:  12/14/99  
DHE202      19936-20006 LAB 1 Credit(s) 3 Period(s)
Dental Materials Laboratory
Manipulate permanent and temporary restorative materials, impression materials, dental waxes, cements, periodontal dressings, bases and liners. Fabricate mouth protectors, study models, and custom impression trays. Laboratory proficiency in polishing and margination of permanent restorative materials. Prerequisites or Corequisites: DAE/DHE201, Admission to the Dental Assisting or Dental Hygiene Program, or permission of instructor.
Cross-References:   DAE202
 
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MCCCD Official Course Competencies:
 
DHE202   19936-20006 Dental Materials Laboratory
1. Place and remove rubber dam and matrix. (I)
2. Marginate and polish amalgam restoration on a typodont. (I)
3. Manipulate periodontal dressing for placement on a typodont. (II)
4. Manipulate cements, bases and liners; i.e., calcium hydroxide, copal varnish, zinc oxide eugenol, zinc phosphate, zinc polycarboxalate, andglass ionomer. (III)
5. Demonstrate adaptation or a tray for patient impressions (IV)
6. Take irreversible hydrocolloid impressions. (IV)
7. Manipulate dental plaster and stone, and pour study models. (IV) (V)
8. Operate and maintain dental equipment; i.e., model trimmer, dental vibrator, lab engine, dental lathe, and vacuum adaptor. (VI)
9. Trim and polish study models. (IV)
10. Demonstrate manipulation of dental waxes. (VII)
11. Manipulate impression materials; i.e., irreversible and reversible hydrocolloid, polyether, rubber base, addition reaction and condensation reaction silicones and zinc oxide. (VIII)
12. Fabricate a custom acrylic tray for final impressions. (IX)
13. Manipulate permanent restorative materials; i.e., amalgam, composite, and glass ionomer. (X)
14. Manipulate temporary restorative materials; i.e., zinc oxide eugenol and ionic resin material (IRM). (XI)
15. Demonstrate selecting a shade for restorations. (X)
16. Write a lab prescription. (XII)
17. Fabricate mouth protectors. (XIII)
18. Demonstrate safe handling of dental materials and dental lab equipment. (VI)
19. Demonstrate infection control and universal precautions when working with dental materials and laboratory equipment. (XIV)
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MCCCD Official Course Outline:
 
DHE202   19936-20006 Dental Materials Laboratory
    I. Amalgam Restorations
        A. Placement
          1. Rubber dam
          2. Matrix
          3. Manipulation
        B. Finishing
          1. Margination
          2. Polishing
      II. Periodontal Dressing
          A. Manipulation
          B. Placement
        III. Protective Materials
            A. Cements
            B. Liners
            C. Bases
            D. Manipulation
          IV. Study Models
              A. Adapt tray
              B. Obtain impression
              C. Fabricate study model
              D. Trim and polish study model
              E. Evaluate
            V. Plaster/Stone
                A. Manipulate
                B. Pour models
              VI. Lab Equipment
                  A. Operation
                    1. Dental vibrator
                    2. Model trimmer
                    3. Dental lab engine
                    4. Dental lathe
                    5. Vacuum adaptor
                  B. Safety procedures
                  C. Maintenance
                VII. Dental Waxes
                    A. Bite registration
                    B. Beading wax
                    C. Boxing wax
                    D. Inlay wax
                  VIII. Impression Materials
                      A. Irreversible hydrocolloid
                      B. Reversible hydrocolloid
                      C. Polyether
                      D. Rubber base
                      E. Silicones
                      F. Zinc oxide
                    IX. Custom Impression Trays
                        A. Fabricate
                        B. Trim and polish
                      X. Permanent Restorative Materials
                          A. Amalgam
                          B. Composite
                          C. Glass ionomer
                          D. Shade selection
                        XI. Temporary Restorative Material
                            A. Zinc oxide eugenol
                            B. IRM
                          XII. Lab Prescription
                            XIII. Mouth Protectors
                                A. Fabricate
                                B. Trim and polish
                              XIV. Infection Control
                                  A. Materials
                                  B. Equipment
                                  C. Third party responsibilities
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