DHE 132LB - Dental Materials Lab

1 Credits, 3 Contact Hours
0 lecture periods 3 lab periods

This is the lab portion of DHE 132 . Chemical and physical properties of dental materials used in dental practice. Includes introduction to dental materials, preventive sealants and restorative materials, dental cements. Also includes impression materials, gypsum products, miscellaneous dental materials; and gold, non-previous alloys, and casting of metals.

Prerequisite(s): DHE 101 , DHE 101LC , DHE 104 , DHE 104LB , DHE 107 , DHE 112 , DHE 116 , DHE 116LC  
Corequisite(s): DHE 119 , DHE 120 , DHE 122 , DHE 132 , DHE 150 , DHE 150LB , DHE 150LC  
Information: Students must be admitted to the PCC Dental Hygiene program and obtain the consent of the Dental Hygiene department before enrolling in this course.  DAE 164LB   can be substituted for DHE 132LB if the course meets the CODA-approved Advanced Standing standard and was completed within the last three years. Please see an academic advisor or faculty for information regarding course substitution. To substitute DAE 164LB for DHE 132LB, the student must also hold a current and active CDA certificate.

1. Demonstrate proper use of Personal Protective Equipment (PPE), Occupational Safety and Health Administration (OSHA) standards, the identification of Globally Harmonized System (GHS), and manufacturer’s Safety Data Sheets (SDS).
2. Define and explain state and federal dental laws and regulations.
3. Compare and contrast different dental restorative materials and their biocompatibility significance.
4. Explain the importance of the study of dental materials.
5. Identify, synthesize, and evaluate dental materials in radiographic imagery.
6. Demonstrate effective communication skills using verbal, non-verbal, and written forms.
7. Demonstrate knowledge of properties and manipulation of dental materials.
8. Demonstrate at competency level the use of various types of dental materials.

1. Identify the properties of matter and materials.
2. Operate and maintain laboratory equipment safely.
3. Prepare dental waxes, cements, preventive sealants, and restorative materials.
4. Prepare materials to make occlusal registration for articulating study casts.
5. Prepare and pour elastic, plastic, and rigid impression materials.
6. Prepare and pour study casts using gypsum products.
7. Fabricate trays, e.g. custom trays, mouth guard, and whitening trays.
8. Fabricate provisional restorations.
9. Describe casting techniques and identify metals used in the fabrication of dental prostheses.
10. Prepare, place, and finish composite and amalgam restorations.

1. Introduction to Dental Materials
   1. American Dental Association (ADA) specifications
   2. Proper use of PPE with guidance by the Center of Disease Control (CDC)
   3. Properties of matter
   4. Physical and chemical properties required for dental materials
   5. Precautions
      1. Handling materials to the standards of Environmental Protection Agency (EPA) and Pima’s

2. Environmental Health and Safety (EHS)

3. 5. 2. Hazardous substances as labeled by Globally Harmonized System (GHS)
      3. Occupational Safety and Health Administration (OSHA) regulations
   6. Safe use of laboratory equipment
4. Arizona State dental statutes and regulations for auxiliary practitioners
5. Preventive Sealants and Restorative Materials
   1. Types of preventive sealants
      1. Indications for use
      2. Properties, advantages, and disadvantages
      3. Manipulation
   2. Direct filling materials and armamentarium
      1. Esthetic/ Resins
      2. Amalgam
      3. Finish and polish esthetic and amalgam restorations
      4. Matrices
      5. Rubber dam
6. Dental Cements
   1. Temporary and permanent cements and cement bases
   2. Composition and uses of various types
   3. Manipulation of cements
   4. Cavity liners and varnishes
   5. Special applications of cements
7. Impression Materials
   1. Types of impression materials
   2. Types of impression trays
   3. Custom, mouth guard, and whitening trays
   4. Agar hydrocolloid (reversible hydrocolloid)
   5. Rubber impression materials and elastomers
   6. Alginate
   7. Bite registration
   8. Disinfection of impressions
8. Gypsum Products
   1. Classification of uses of gypsum products
   2. Composition and manufacture
   3. Variables
   4. Manipulation
   5. Construction of model, cast, or die
   6. Modeling trimming
   7. Articulation
9. Miscellaneous Dental Materials
   1. Uses of resins and acrylic
   2. Waxes
   3. Dental ceramics and porcelain
   4. Polishing and cleaning agents
   5. Periodontal dressings
   6. Provisional restorations
10. Gold, Non-Precious Alloys, and Casting of Metals
    1. Gold foil
    2. Gold casting alloys
    3. Wrought metals

11. Dental implant materials