Unit of competency Outline

Date retreived
22/07/2026 3:20 PM AWST

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Construct crown and bridge structures

Construct crown and bridge structures

Unit of competency
National Code
HLTDET009
State Code
AWA23
TGA Status
Current
DTWD Status
Approved
Current Release Number
1.00
Current Release Date
08/12/2015
View on TGA
State Implementation and Classification
Approved Date
22/06/2016
Field of Education
060705 - Dental Technology
Original Release Date
22/06/2016
Nominal Hours
80
Description
This unit of competency describes the skills and knowledge required to construct crown and bridge structures including inlays, veneers and substructures.This unit applies to work in dental technology.The skills in this unit must be applied in accordance with Commonwealth and State/Territory legislation, Australian/New Zealand Standards and industry codes of practice.
Notes
Elements and Performance Criteria
1. Prepare crown and bridge model
  • 1.1 Pour or construct model using crown and bridge model system
  • 1.2 Prepare crown and bridge model to appropriate height and with level occlusal plane in accordance with crown and bridge model system used
  • 1.3 Section crown and bridge model in accordance with work order requirements
  • 1.4 Prepare die for construction of restoration in accordance with work order
2. Wax and invest fixed partial dentures and structures
  • 2.1 Wax up crown and bridge restorations
  • 2.2 Sprue crown and bridge wax pattern and prepare for processing
  • 2.3 Select appropriate investment material according to the material to be used
  • 2.4 Prepare investment materials according to the manufacturers’ instructions
  • 2.5 Invest wax patterns
3. Burnout, process and finish fixed partial dentures and structures
  • 3.1 Select burnout techniques appropriate to the investment material and restoration material
  • 3.2 Process restoration/substructure in appropriate material
  • 3.3 Devest restoration/substructure without damaging it
  • 3.4 Check for defects
  • 3.5 Trim and finish restoration while maintaining all contact areas and margins
  • 3.6 Evaluate the finished restoration
  • 3.7 Decontaminate the restoration according to infection control guidelines
  • 3.8 Dry the casting, replace on model and place in a sealed container for dispatch
No information
No information
Replaces
State Code National Code Title Type
D8188 HLTDT510C Construct crown and bridge structures Unit of competency
D8193 HLTDT516C Construct indirect composite polymer fixed restorations Unit of competency
State Code National Code Title Type
AZA1 HLT55115 Diploma of Dental Technology Qualification
BDQ5 HLT55118 Diploma of Dental Technology Qualification