Unit of competency Outline

Date retreived
22/07/2026 3:18 PM AWST

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Construct custom impression trays

Construct custom impression trays

Unit of competency
National Code
HLTDET002
State Code
AWA30
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
25
Description
This unit of competency describes the skills and knowledge required to construct special trays to accurately record oral tissues.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 model
  • 1.1 Read and interpret the work order
  • 1.2 Block out undesirable undercuts
  • 1.3 Design the custom tray for the patient’s dentition and the intended impression material and technique
  • 1.4 Apply spacer material when required
2. Select and prepare materials
  • 2.1 Select custom tray materials in accordance with the work order
  • 2.2 Prepare equipment for processing
  • 2.3 Provide appropriate mixing vessels and templates when required
3. Construct custom impression tray
  • 3.1 Apply appropriate separating medium in accordance with manufacturer’s instructions
  • 3.2 Mix or manipulate materials in accordance with the manufacturers’ instructions
  • 3.3 Adapt tray material to the model to the pre-determined peripheral outline
  • 3.4 Construct handle and attach according to operator requirements
  • 3.5 Process custom tray using the correct method for the correct material
  • 3.6 Separate the tray from the model in a manner that prevents damage and remove spacer material
  • 3.7 Trim the outline of the tray to shape
4. Finish custom impression tray
  • 4.1 Smooth and refine the peripheries, handle and other surfaces of the tray
  • 4.2 Decontaminate the custom impression tray according to infection control guidelines
  • 4.3 Dry the custom tray and place in a sealed container for dispatch
No information
No information
Replaces
State Code National Code Title Type
WD123 HLTDT302D Construct custom impression trays Unit of competency