Maricopa Community Colleges  DHE201   19926-19935 
Official Course Description: MCCCD Approval: 05/26/92
DHE201 19926-19935 LEC 2 Credit(s) 2 Period(s)
Dental Materials
Composition, properties and criteria for use of dental materials. Principles of mixing techniques of restorative, preventative and laboratory dental materials. Prerequisites: Admission to the Dental Assisting or Dental Hygiene Programs or permission of the instructor.
Cross-References: DAE201
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MCCCD Official Course Competencies:
 
DHE201   19926-19935 Dental Materials
1. Identify several uses for dental materials in restorative, preventive, and adjunct areas. (I)
2. Identify physical and biological considerations of dental materials and relate them to the oral environment; identify the types and causes of corrosion and tarnish of dental restorations, and the effects on the longevity of those restorations. (II)
3. Describe the classification, types, composition, manipulation, and uses of dental cements; identify cements used for temporary, intermediate, and permanent restorations, their uses, properties, and composition; describe the uses and properties of varnishes and liners. (III)
4. Identify the physical properties and composition of dental amalgam alloys. Describe the setting reactions, manipulation and mixing techniques; discuss the properties of mercury as it relates to amalgam alloys. (IV)
5. Identify the types, categories, techniques of application, and manipulation of synthetic resins as restorative materials and sealants. (V)
6. Identify the various impression materials used in dentistry, citing composition, limitations, advantages, properties, the manipulation and use for each. (VI)
7. Identify various materials used for fabricating models from impressions; describe the differences in structure and properties; and identify which model materials are appropriate for specific impressions. (VII)
8. Identify the purpose, advantages, limitations, and techniques that are used in cleansing and polishing of teeth, restorations, and dental appliances. (VIII)
9. Identify the various waxes, their composition, properties, uses, limitations, and manipulation. (IX)
10. Describe the properties and uses of plastics and synthetic resins for use in construction of removable prosthetics. (X)
11. Describe the properties and usage of gold and nonprecious alloys, and alloying ingredients; describe heat treating and methods of controlling physical characteristics of alloys used in dentistry. (XI)
12. Describe all materials used for investment and casting; explain the investment and casting process beginning with the wax patterns; describe defects that could occur in the casting and explain how they could be avoided. (XII)
13. Identify the uses, composition, and physical properties of dental porcelain and base metal alloys. (XIII)
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MCCCD Official Course Outline:
 
DHE201   19926-19935 Dental Materials
    I. Uses of Dental Materials
        A. Preventive
        B. Restorative
        C. Adjunct areas
      II. Properties of Dental Materials
          A. Structural
          B. Physical
          C. Resistance to oral environment
        III. Cements, Varnishes, Liners
            A. Types and uses
            B. Advantages and disadvantages
            C. Properties and composition
            D. Manipulation
          IV. Dental Amalgam
              A. Types and uses
              B. Composition
              C. Manipulation
              D. Mercury hygiene
            V. Synthetic Restorative Resins
                A. Types and uses
                B. Composition
                C. Manipulation
                D. Maintenance
              VI. Impression Materials
                  A. Types and uses
                  B. Composition
                VII. Model and Die Materials
                    A. Physical properties
                    B. Composition
                    C. Rationale for use
                    D. Manipulation
                  VIII. Abrasion, Polishing and Dentifrices
                      A. Types and uses
                      B. Physical properties
                      C. Composition
                      D. Polishing techniques
                    IX. Waxes
                        A. Types and uses
                        B. Properties
                        C. Composition
                      X. Plastics and Synthetic Resins as Denture Base Materials
                          A. Types and uses
                          B. Properties
                          C. Manipulation
                          D. Processing
                        XI. Gold and Nonprecious Alloys
                            A. Types and uses
                            B. Alloying ingredients
                            C. Heat treatment
                          XII. Investment and Casting of Metals
                              A. Techniques
                              B. Wax pattern
                              C. Spruing
                              D. Investing
                              E. Casting alloy
                            XIII. Miscellaneous Materials
                                A. Dental porcelain
                                  1. Production
                                  2. Composition and types
                                  3. Application and classification
                                B. Base metal alloys
                                  1. Types and uses
                                  2. Composition
                                  3. Manipulation
                                C. Solder
                                  1. Types
                                  2. Method
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