Unit of Competency Mapping – Information for Teachers/Assessors – Information for Learners

HLTDP603C Mapping and Delivery Guide
Take impressions

Version 1.0
Issue Date: May 2024


Qualification -
Unit of Competency HLTDP603C - Take impressions
Description This 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
Employability Skills This unit contains Employability Skills
Learning Outcomes and Application This unit applies to work in dental prosthetics at advanced diploma level
Duration and Setting X weeks, nominally xx hours, delivered in a classroom/online/blended learning setting.
Prerequisites/co-requisites Pre-requisite unitsThis unit must be assessed after successful achievement of pre-requisites:HLTIN301C Comply with infection control policies and procedures HLTIN302B Process reusable instruments and equipment in health work
Competency Field
Development and validation strategy and guide for assessors and learners Student Learning Resources Handouts
Activities 		Slides
PPT 		Assessment 1 Assessment 2 Assessment 3 Assessment 4
Elements of Competency Performance Criteria              
Element: Assess the client
  • Confirm client's medical history
  • Interpret prescription where required
  • Provide full details of the procedure to the client and/or carer
  • Obtain and document consent following ethical and legal requirements
  • Select the equipment and instruments for the impression
  • Prepare personal protective equipment for the client and members of the dental team
  • Adjust the dental clinic to accommodate the client's needs
       
Element: Select impression tray and modify if required
  • Select an appropriate impression tray for the technique and the client
  • Modify the impression tray where necessary to assure comfort and accuracy
       
Element: Select and prepare impression materials
  • Select impression materials in accordance with desired outcome
  • Consider clients' comfort and the indications for the use of particular materials
  • Prepare the correct materials and medicaments using the correct technique, to the correct consistency and quantity required
  • Modify materials where indicated
       
Element: Perform impression taking procedure
  • Implement standard precautions to prevent the spread of infection
  • Position and prepare the client for the procedure
  • Instruct client on participation during the procedure
  • Place impression tray and mixed material in client's mouth
  • Carry-out muscle trimming
  • Monitor and reassure the client throughout the procedure and provide first aid support if required
  • Remove the impression when set
  • Examine the client's mouth for injury and impression material debris following removal of the impression
  • Restore the client's comfort and appearance
  • Document details of the procedure in accordance with standard procedures and relevant guidelines
  • Assess the quality of the impression for the required prosthetic appliance
       


Evidence Required

List the assessment methods to be used and the context and resources required for assessment. Copy and paste the relevant sections from the evidence guide below and then re-write these in plain English.

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

Submission Requirements

List each assessment task's title, type (eg project, observation/demonstration, essay, assignment, checklist) and due date here

Assessment task 1: [title]      Due date:

(add new lines for each of the assessment tasks)

Assessment Tasks

Copy and paste from the following data to produce each assessment task. Write these in plain English and spell out how, when and where the task is to be carried out, under what conditions, and what resources are needed. Include guidelines about how well the candidate has to perform a task for it to be judged satisfactory.

This describes the essential skills and knowledge and their level required for this unit.

Essential knowledge:

The candidate must be able to demonstrate essential knowledge required to effectively do the task outlined in elements and performance criteria of this unit, manage the task and manage contingencies in the context of the identified work role

This includes knowledge of:

Applied oral anatomy

dentition - arrangement of the teeth, naming and coding of teeth

structures of the oral cavity - hard and soft palate, lateral and posterior borders of the oral cavity, tongue and floor of the mouth

teeth - form and function

Awareness of the effects of disability, medical conditions and medications on the impression taking procedure

Client management techniques

Current infection control guidelines

First aid

Legal and ethical issues relating to: informed consent, duty of care, confidentiality, disability awareness

Physical and chemical properties of dental impression materials

Principles and practices which underpin interpersonal communication

Principles of quality assurance and work effectiveness

Relevant occupational health and safety policies and procedures

The rationale and objectives for the taking of impressions

The rationale, criteria for selection and use of dental impression materials

Essential skills:

It is critical that the candidate demonstrate the ability to

Consistently prepare clients, environments, instruments and materials for impression procedures.

Consistently take a range of impressions

Consistently comply with occupational health and safety procedures.

Consistently implement standard precautions

Consistently follow procedures to ensure client safety during impression procedures

In addition, the candidate must be able to effectively do the task outlined in elements and performance criteria of this unit, manage the task and manage contingencies in the context of the identified work role

This includes the ability to:

Consistently apply standard and additional precautions during all prosthetic procedures

Consistently select and prepare equipment and materials as required for a range of impression procedures

Consistently perform a range of impression techniques for:

clients who are edentulous

clients who are dentate

Consistently demonstrate interpersonal skills when relating to people from a range of social, cultural and religious backgrounds and physical and mental abilities

Consistently demonstrate communication skills as required in fulfilling the job role as specified by the dental practice/organisation including:

acknowledging and responding to a range of views

active listening/asking for clarification from client and/or carer

negotiation/asking questions

Consistently deal with conflict

Consistently work with others and display empathy with client and relatives

Consistently use problem solving skills required including:

planning and organising personal work activities

using available resources

Consistently maintain equipment, instruments and materials

Recognise, respond to and assist with dental and medical emergencies

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

Copy and paste from the following performance criteria to create an observation checklist for each task. When you have finished writing your assessment tool every one of these must have been addressed, preferably several times in a variety of contexts. To ensure this occurs download the assessment matrix for the unit; enter each assessment task as a column header and place check marks against each performance criteria that task addresses.

Observation Checklist

Tasks to be observed according to workplace/college/TAFE policy and procedures, relevant legislation and Codes of Practice Yes No Comments/feedback
Confirm client's medical history 
Interpret prescription where required 
Provide full details of the procedure to the client and/or carer 
Obtain and document consent following ethical and legal requirements 
Select the equipment and instruments for the impression 
Prepare personal protective equipment for the client and members of the dental team 
Adjust the dental clinic to accommodate the client's needs 
Select an appropriate impression tray for the technique and the client 
Modify the impression tray where necessary to assure comfort and accuracy 
Select impression materials in accordance with desired outcome 
Consider clients' comfort and the indications for the use of particular materials 
Prepare the correct materials and medicaments using the correct technique, to the correct consistency and quantity required 
Modify materials where indicated 
Implement standard precautions to prevent the spread of infection 
Position and prepare the client for the procedure 
Instruct client on participation during the procedure 
Place impression tray and mixed material in client's mouth 
Carry-out muscle trimming 
Monitor and reassure the client throughout the procedure and provide first aid support if required 
Remove the impression when set 
Examine the client's mouth for injury and impression material debris following removal of the impression 
Restore the client's comfort and appearance 
Document details of the procedure in accordance with standard procedures and relevant guidelines 
Assess the quality of the impression for the required prosthetic appliance 

Forms

Assessment Cover Sheet

HLTDP603C - Take impressions
Assessment task 1: [title]

Student name:

Student ID:

I declare that the assessment tasks submitted for this unit are my own work.

Student signature:

Result: Competent Not yet competent

Feedback to student

 

 

 

 

 

 

 

 

Assessor name:

Signature:

Date:

Assessment Record Sheet

HLTDP603C - Take impressions

Student name:

Student ID:

Assessment task 1: [title] Result: Competent Not yet competent

(add lines for each task)

Feedback to student:

 

 

 

 

 

 

 

 

Overall assessment result: Competent Not yet competent

Assessor name:

Signature:

Date:

Student signature:

Date: