Unit of competency Outline
Date retreived
22/07/2026 10:02 AM AWST
22/07/2026 10:02 AM AWST
Whilst all efforts are made to provide accurate and timely information from the relevant source/documentation, please be aware that the information supplied may not be the most current version. The accuracy of the detail has not been confirmed by the Department and therefore should not be relied upon without first confirming the contents.
Take impressions
Take impressions
Unit of competency
National Code
HLTDP603C
HLTDP603C
State Code
D8174
D8174
TGA Status
Replaced
Replaced
DTWD Status
Replaced
Replaced
State Implementation and Classification
Approved Date
28/08/2012
Field of Education
060703 - Dental Assisting
Original Release Date
28/08/2012
Nominal Hours
90
Description
DescriptorThis unit of competency describes the skills and knowledge required to take a range of impressions for clients who are dentate or edentulousThe use of a wide range of materials and equipment, in many different situations, are required for this unitAll procedures are carried out in accordance with occupational health and safety policies and procedures, current infection control guidelines, Australian and New Zealand Standards, State/Territory legislative requirements and organisation policy
Notes
Elements and Performance Criteria
1. Assess the client
- 1.1 Confirm client's medical history
- 1.2 Interpret prescription where required
- 1.3 Provide full details of the procedure to the client and/or carer
- 1.4 Obtain and document consent following ethical and legal requirements
- 1.5 Select the equipment and instruments for the impression
- 1.6 Prepare personal protective equipment for the client and members of the dental team
- 1.7 Adjust the dental clinic to accommodate the client's needs
2. Select impression tray and modify if required
- 2.1 Select an appropriate impression tray for the technique and the client
- 2.2 Modify the impression tray where necessary to assure comfort and accuracy
3. Select and prepare impression materials
- 3.1 Select impression materials in accordance with desired outcome
- 3.2 Consider clients' comfort and the indications for the use of particular materials
- 3.3 Prepare the correct materials and medicaments using the correct technique, to the correct consistency and quantity required
- 3.4 Modify materials where indicated
4. Perform impression taking procedure
- 4.1 Implement standard precautions to prevent the spread of infection
- 4.2 Position and prepare the client for the procedure
- 4.3 Instruct client on participation during the procedure
- 4.4 Place impression tray and mixed material in client's mouth
- 4.5 Carry-out muscle trimming
- 4.6 Monitor and reassure the client throughout the procedure and provide first aid support if required
- 4.7 Remove the impression when set
- 4.8 Examine the client's mouth for injury and impression material debris following removal of the impression
- 4.9 Restore the client's comfort and appearance
- 4.10 Document details of the procedure in accordance with standard procedures and relevant guidelines
- 4.11 Assess the quality of the impression for the required prosthetic appliance
RANGE STATEMENT
The Range Statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Add any essential operating conditions that may be present with training and assessment depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts.
Equipment and instruments may include:
Burner
Custom made impression tray
Examination mirrors
Existing denture
Mixing bowl and/or mixing pad
Spatula
Stock impression tray
Storage container for transportation
Personal protective equipment may include:
Examination gloves that comply with AS/NZS 4011 and surgical gloves that comply with AS/NZS 4179
Footwear to protect from dropped sharps and other contaminated items
Glasses, goggles or face-shields
Gowns and waterproof aprons that comply with AS 3789.2 and AS 3789.3
Guidelines for latex allergic clients and staff
Surgical face masks that comply with AS 4381
Impression procedures may include:
Primary impressions
Impressions for
additions to existing denture
repair to existing denture
relining or rebasing
study models
protective mouthguard
Secondary impressions
complete dentures
partial dentures
Impression trays may include but are not limited to:
Custom impression trays
Stock impression trays
Impression materials may include but are not limited to :
Compound
impression
tracing stick (greenstick)
Elastomeric materials
Hydrocolloids (reversible and irreversible)
Metallic oxide pastes
Periphery waxes
Tissue conditioner (functional impression material)
Standard precautions must include:
Appropriate reprocessing and storage of reusable instruments
Personal hygiene practices especially washing and drying hands before and after client contact
Surface cleaning
Techniques to limit contamination
Use of personal protective equipment
The Range Statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Add any essential operating conditions that may be present with training and assessment depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts.
Equipment and instruments may include:
Burner
Custom made impression tray
Examination mirrors
Existing denture
Mixing bowl and/or mixing pad
Spatula
Stock impression tray
Storage container for transportation
Personal protective equipment may include:
Examination gloves that comply with AS/NZS 4011 and surgical gloves that comply with AS/NZS 4179
Footwear to protect from dropped sharps and other contaminated items
Glasses, goggles or face-shields
Gowns and waterproof aprons that comply with AS 3789.2 and AS 3789.3
Guidelines for latex allergic clients and staff
Surgical face masks that comply with AS 4381
Impression procedures may include:
Primary impressions
Impressions for
additions to existing denture
repair to existing denture
relining or rebasing
study models
protective mouthguard
Secondary impressions
complete dentures
partial dentures
Impression trays may include but are not limited to:
Custom impression trays
Stock impression trays
Impression materials may include but are not limited to :
Compound
impression
tracing stick (greenstick)
Elastomeric materials
Hydrocolloids (reversible and irreversible)
Metallic oxide pastes
Periphery waxes
Tissue conditioner (functional impression material)
Standard precautions must include:
Appropriate reprocessing and storage of reusable instruments
Personal hygiene practices especially washing and drying hands before and after client contact
Surface cleaning
Techniques to limit contamination
Use of personal protective equipment
EVIDENCE GUIDE
The evidence guide provides advice on assessment and must be read in conjunction with the Performance Criteria, Required Skills and Knowledge, the Range Statement and the Assessment Guidelines for this Training Package.
Critical aspects for assessment and evidence required to demonstrate this competency unit:
The individual being assessed must provide evidence of specified essential knowledge as well as skills
Observation of workplace performance is essential for assessment of this unit
Consistent compliance with infection control guidelines, Australian and New Zealand Standards and legislative requirements as they relate to the dental prosthetist's specific job role
Consistency of performance should be demonstrated over the required range of workplace situations
Context of and specific resources for assessment:
Where, for reasons of safety, access to equipment and resources and space, assessment takes place away from the workplace, simulations should be used to represent workplace conditions as closely as possible
Method of assessment
Evidence of essential knowledge and understanding may be provided by:
traditional or online (computer-based) assessment
questions during workplace assessment
written assignments/projects
Case study and scenario as a basis for discussion of issues and strategies to contribute to best practice
Staff and/or client feedback
Supporting statement of supervisor
Authenticated evidence of relevant work experience and/or formal/informal learning
Role play simulation
Access and equity considerations:
All workers in the health industry should be aware of access and equity issues in relation to their own area of work
All workers should develop their ability to work in a culturally diverse environment
In recognition of particular health issues facing Aboriginal and Torres Strait Islander communities, workers should be aware of cultural, historical and current issues impacting on health of Aboriginal and Torres Strait Islander people
Assessors and trainers must take into account relevant access and equity issues, in particular relating to factors impacting on health of Aboriginal and/or Torres Strait Islander clients and communities
The evidence guide provides advice on assessment and must be read in conjunction with the Performance Criteria, Required Skills and Knowledge, the Range Statement and the Assessment Guidelines for this Training Package.
Critical aspects for assessment and evidence required to demonstrate this competency unit:
The individual being assessed must provide evidence of specified essential knowledge as well as skills
Observation of workplace performance is essential for assessment of this unit
Consistent compliance with infection control guidelines, Australian and New Zealand Standards and legislative requirements as they relate to the dental prosthetist's specific job role
Consistency of performance should be demonstrated over the required range of workplace situations
Context of and specific resources for assessment:
Where, for reasons of safety, access to equipment and resources and space, assessment takes place away from the workplace, simulations should be used to represent workplace conditions as closely as possible
Method of assessment
Evidence of essential knowledge and understanding may be provided by:
traditional or online (computer-based) assessment
questions during workplace assessment
written assignments/projects
Case study and scenario as a basis for discussion of issues and strategies to contribute to best practice
Staff and/or client feedback
Supporting statement of supervisor
Authenticated evidence of relevant work experience and/or formal/informal learning
Role play simulation
Access and equity considerations:
All workers in the health industry should be aware of access and equity issues in relation to their own area of work
All workers should develop their ability to work in a culturally diverse environment
In recognition of particular health issues facing Aboriginal and Torres Strait Islander communities, workers should be aware of cultural, historical and current issues impacting on health of Aboriginal and Torres Strait Islander people
Assessors and trainers must take into account relevant access and equity issues, in particular relating to factors impacting on health of Aboriginal and/or Torres Strait Islander clients and communities
Replaces
| State Code | National Code | Title | Type |
|---|---|---|---|
| C9180 | HLTDP603B | Take impressions | Unit of competency |
Replaced By
| State Code | National Code | Title | Type |
|---|---|---|---|
| AWA37 | HLTDEP003 | Take impressions | Unit of competency |
| State Code | National Code | Title | Type |
|---|---|---|---|
| J113 | HLT60412 | Advanced Diploma of Dental Prosthetics | Qualification |
| D104 | HLT60407 | Advanced Diploma of Dental Prosthetics | Qualification |