PCC/ CCOG / DT

Course Content and Outcome Guide for DT 253

Course Number:
DT 253
Course Title:
Science of Dental Mat III
Credit Hours:
2
Lecture Hours:
20
Lecture/Lab Hours:
0
Lab Hours:
0
Special Fee:
 

Course Description

Continued study of dental materials as related to cast metal alloys and crown and bridge construction. Audit available.

Addendum to Course Description

Prerequisite: DT 152 or department permission.

Intended Outcomes for the course

  1. Describe the physical properties and uses of all products necessary for the fabrication of cast metal inlays, crowns and bridges.
  2. Explain in detail, all steps in the sequence of the fabrication of cast metal inlays, crowns and bridgework.

Outcome Assessment Strategies

  1. Weekly quizzes
  2. Three written examinations
  3. Term paper
  4. Attendance

Course Content (Themes, Concepts, Issues and Skills)

  • Direct and indirect waxing techniques
  • Properties and uses of waxes
  • Investment procedures
  • Properties of investment materials
  • Safe and effective use of acids in the lab
  • Use of abrasives
  • The nature and use of solvents and debubblizers
  • Selection and uses of laboratory gases
  • Ring liners
  • Block out procedures
  • Properties of metals
  • Casting techniques
  • Soldering
  • Safety procedures


COMPETENCIES AND SKILLS:
 

  • Define the purposes and uses of pattern and processing waxes and explain the direct and indirect waxing techniques.
  • Identify, describe and compare the ingredients, physical properties and uses of a variety of processing waxes.
  • Describe the uses of dental investment materials during crown and bridge fabrication procedures.
  • Identify a variety of acids used in dentistry and describe how each is used.
  • Discuss the effectiveness, cost and safety of a variety of acids.
  • Discuss the nature, properties and uses of abrasives in the fabrication of crowns and bridges.
  • Discuss the nature, properties and uses of wax solvents in crown and bridge procedures.
  • Discuss the selection, properties and uses of a variety of gases used in the dental laboratory.
  • Describe the uses of a variety of miscellaneous materials and procedures used in crown and bridge procedures including casting ring liners, copings, debubblizers, fluxes, facings and pontics.
  • Describe the nature, properties and uses of metal alloys in the fabrication of crowns and fixed bridges.
  • Discuss the importance of soldering in laboratory procedures and describe the process.

Related Instruction

Computation
Hours: 5

Outcomes:

  1. Describe the physical properties and uses of all products necessary for the fabrication of cast metal inlays, crowns and bridges.
  2. Explain in detail, all steps in the sequence of the fabrication of cast metal inlays, crowns and bridgework.

 

Activities:

Demo techniques of weighing noble alloy restorations using the Troy weight system
Calculate weights of single and multiple unit restorations using standard lab procedures
Prepare invoices and statements for accounting purposes