HLTDET002 Construct custom impression trays

Release: 1

HLTDET002 Construct custom impression trays

Modification History

Release	Comments
Release 1	This version was released in HLT Health Training Package release 3.0 and meets the requirements of the 2012 Standards for Training Packages. Minimal changes to the elements and performance criteria. New evidence requirements for assessment including volume and frequency requirements. Removal of pre-requisites Supersedes HLTDT302D

Application

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.

Elements and Performance Criteria

ELEMENT	PERFORMANCE CRITERIA
Elements define the essential outcomes	Performance criteria describe the performance needed to demonstrate achievement of the element.
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

Foundation Skills

The Foundation Skills describe those required skills (language, literacy, numeracy and employment skills) that are essential to performance.
Foundation skills essential to performance are explicit in the performance criteria of this unit of competency.

Unit Mapping Information

No Equivalent Unit

Links

Companion Volume implementation guides are found in VETNet - https://vetnet.gov.au/Pages/TrainingDocs.aspx?q=ced1390f-48d9-4ab0-bd50-b015e5485705