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

HLTDET012 Mapping and Delivery Guide
Construct orthodontic appliances

Version 1.0
Issue Date: April 2024


Qualification -
Unit of Competency HLTDET012 - Construct orthodontic appliances
Description
Employability Skills
Learning Outcomes and Application This unit of competency describes the skills and knowledge required to construct removable orthodontic appliances.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.
Duration and Setting X weeks, nominally xx hours, delivered in a classroom/online/blended learning setting.

Skills must have been demonstrated in a dental laboratory workplace or in a simulated dental laboratory environment that reflects workplace laboratory conditions. The following conditions must be met for this unit:

• use of suitable facilities, equipment and resources including:

- access to work order

- Dental Board of Australia guidelines on infection control on which the candidate bases the planning process

- laboratory safety manuals and procedures in line with relevant Commonwealth and State/Territory legislation

- WHS policies on which the candidate bases the planning process.

Assessors must satisfy the Standards for Registered Training Organisations (RTOs) 2015/AQTF mandatory competency requirements for assessors.
Prerequisites/co-requisites
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: Elements define the essential outcomes
       
Element: Select and assemble components and materials
  • Select materials for removable orthodontic appliances according to design and function specified in work order
  • Select the required pre-formed components and confirm they are fit for the purpose
  • Construct individual custom-made components according to work order
       
Element: Construct orthodontic appliance
  • Secure components to model by appropriate means
  • Apply appropriate materials to the model to form a baseplate according to manufacturers’ instructions and the work order
  • Process the appliance using equipment and techniques according to manufacturers’ instructions and the work order
       
Element: Finish orthodontic appliances
  • Select techniques, materials and equipment for trimming, finishing and polishing appropriate to the type and materials of the appliance
  • Trim and finish the baseplate to the thickness and coverage required
  • Finish and polish metal components ensuring surfaces that are free of sharp edges and irregularities
  • Evaluate the finished appliance
  • Decontaminate the appliance according to infection control guidelines
  • Place the appliance in a sealed container for dispatch
       


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.

ELEMENT

PERFORMANCE CRITERIA

Elements define the essential outcomes

Performance criteria describe the performance needed to demonstrate achievement of the element.

1. Select and assemble components and materials

1.1 Select materials for removable orthodontic appliances according to design and function specified in work order

1.2 Select the required pre-formed components and confirm they are fit for the purpose

1.3 Construct individual custom-made components according to work order

2. Construct orthodontic appliance

2.1 Secure components to model by appropriate means

2.2 Apply appropriate materials to the model to form a baseplate according to manufacturers’ instructions and the work order

2.3 Process the appliance using equipment and techniques according to manufacturers’ instructions and the work order

3. Finish orthodontic appliances

3.1 Select techniques, materials and equipment for trimming, finishing and polishing appropriate to the type and materials of the appliance

3.2 Trim and finish the baseplate to the thickness and coverage required

3.3 Finish and polish metal components ensuring surfaces that are free of sharp edges and irregularities

3.4 Evaluate the finished appliance

3.5 Decontaminate the appliance according to infection control guidelines

3.6 Place the appliance in a sealed container for dispatch

The candidate must show evidence of the ability to complete tasks outlined in elements and performance criteria of this unit, manage tasks and manage contingencies in the context of the job role. There must be evidence that the candidate has:

• read and correctly interpreted work order for the design of 1 orthodontic appliance with active and passive components

• used standard precautions and safe work practices to manufacture 1 orthodontic appliance ensuring it is a suitable for insertion in the mouth

• critically evaluated the 1 orthodontic appliance produced to meet technical laboratory and patient requirements, including that it:

- is free from defects

- is suitable for insertion in the mouth

- is effective for the purpose

- meets the requirements of the planned design

- complies with the work order.

The candidate must demonstrate essential knowledge required to effectively complete tasks outlined in elements and performance criteria of this unit, manage tasks and manage contingencies in the context of the work role. This includes knowledge of:

• Australian/New Zealand Standards, workplace health and safety (WHS) policies, Dental Board of Australia guidelines on infection control, Commonwealth and State/Territory legislation and organisation policies relating to dental laboratory work

• fundamental oral anatomy including:

- 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

- articulation and occlusion

• aims and objectives of orthodontic treatment using removable appliances

• how to select and fabricate components for removable orthodontic appliances:

- dental metallurgy

- wrought wire fabrication techniques.

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.

ELEMENT

PERFORMANCE CRITERIA

Elements define the essential outcomes

Performance criteria describe the performance needed to demonstrate achievement of the element.

1. Select and assemble components and materials

1.1 Select materials for removable orthodontic appliances according to design and function specified in work order

1.2 Select the required pre-formed components and confirm they are fit for the purpose

1.3 Construct individual custom-made components according to work order

2. Construct orthodontic appliance

2.1 Secure components to model by appropriate means

2.2 Apply appropriate materials to the model to form a baseplate according to manufacturers’ instructions and the work order

2.3 Process the appliance using equipment and techniques according to manufacturers’ instructions and the work order

3. Finish orthodontic appliances

3.1 Select techniques, materials and equipment for trimming, finishing and polishing appropriate to the type and materials of the appliance

3.2 Trim and finish the baseplate to the thickness and coverage required

3.3 Finish and polish metal components ensuring surfaces that are free of sharp edges and irregularities

3.4 Evaluate the finished appliance

3.5 Decontaminate the appliance according to infection control guidelines

3.6 Place the appliance in a sealed container for dispatch

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
 
Select materials for removable orthodontic appliances according to design and function specified in work order 
Select the required pre-formed components and confirm they are fit for the purpose 
Construct individual custom-made components according to work order 
Secure components to model by appropriate means 
Apply appropriate materials to the model to form a baseplate according to manufacturers’ instructions and the work order 
Process the appliance using equipment and techniques according to manufacturers’ instructions and the work order 
Select techniques, materials and equipment for trimming, finishing and polishing appropriate to the type and materials of the appliance 
Trim and finish the baseplate to the thickness and coverage required 
Finish and polish metal components ensuring surfaces that are free of sharp edges and irregularities 
Evaluate the finished appliance 
Decontaminate the appliance according to infection control guidelines 
Place the appliance in a sealed container for dispatch 

Forms

Assessment Cover Sheet

HLTDET012 - Construct orthodontic appliances
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

HLTDET012 - Construct orthodontic appliances

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: