Standard |
Introduces the materials and techniques used in the fabrication of fixed crown and bridge restorations. Topics include: materials used in crown and bridge fabrication, preparatory procedures, fixed crown and bridge fabrication procedures, and post-fabrication procedures.
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Competency Areas |
Hours
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Materials Used in Crown and Bridge Fabrication |
Class |
2 |
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Preparatory Procedures |
D. Lab |
8 |
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Fixed Crown and Bridge Fabrication Procedures |
P. Lab/O.B.I. |
0 |
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Post-Fabrication Procedures |
Credit |
6 |
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Prerequisite: |
DLT 101, DLT 102, DLT 103 |
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Prerequisite /Corequisite: |
DLT 104 |
Course Guide |
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Competency |
After completing this
section, the student will: |
Hours |
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Class |
D.Lab |
P.Lab/ O.B.I. |
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MATERIALS USED IN CROWN AND
BRIDGE FABRICATION |
2 |
0 |
0 |
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Dental materials |
Demonstrate the use of dental materials in crown and bridge construction. |
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PREPARATORY PROCEDURES |
8 |
10 |
0 |
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Casts |
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Demonstrate procedures for pouring a crown and bridge impression. |
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Develop a working cast with removable dies and exposed margins. |
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Mount casts on an articulator. |
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FIXED CROWN AND BRIDGE FABRICATION PROCEDURES |
8 |
62 |
0 |
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Waxing patterns |
Identify types of waxes used in crown and bridge fabrication. |
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Demonstrate procedures for waxing single unit full cast wax patterns. |
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Evaluate wax contoured patterns. |
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Sprueing the wax pattern |
Discuss different sprueing techniques. |
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Demonstrate sprueing procedures. |
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Evaluate sprueing procedures |
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Investing |
Explain the process for investing the wax patterns. |
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Demonstrate investing techniques. |
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Describe investing materials. |
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Wax elimination |
Describe wax elimination equipment. |
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Demonstrate wax elimination procedures. |
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Casting |
Explain different casting equipment. |
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Demonstrate casting procedures. |
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Evaluate quality of casting. |
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Finishing/polishing |
Describe types of finishing/polishing materials. |
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Perform finishing/polishing procedures. |
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Evaluate finished and polished case. |
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POST-FABRICATION PROCEDURES |
2 |
8 |
0 |
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Corrections |
Explain corrective procedures. |
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Demonstrate use of solder for repairs. |
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Suggested Resources |
Johnston, J. F., et
al. (1971). Modern practice in crown and
bridge prosthodontics. Philadelphia: Saunders.
Leinfelder, K., &
Taylor, D. (1982). Laboratory and
clinical dental materials. Chapel Hill, NC: University of North Carolina.
Mazuiewicz, L. (1982).
Dental laboratory technology: Air Force
manual. Washington, DC: U.S. Government Printing Office.
Murray & Sluder.
(1972). Dental laboratory technology:
Fixed restorative techniques. Chapel Hill, NC: University of North
Carolina.
Rhoads, J., et al.
(1985). Dental laboratory procedures:
Fixed partial dentures (Vol. 2) (2nd ed.). St. Louis: Mosby.