Course Title: Construct orthodontic appliances

Part B: Course Detail

Teaching Period: Term2 2013

Course Code: DENT5788C

Course Title: Construct orthodontic appliances

School: 155T Vocational Health and Sciences

Campus: City Campus

Program: C5312 - Diploma of Dental Technology

Course Contact: Mark Doherty

Course Contact Phone: +61 3 9341 1407

Course Contact Email:

Name and Contact Details of All Other Relevant Staff

Nicholas Greer

P: 9341 1420



Zanne Frazer

P: 9341 1402



James Moser

P:9341 1417



Narelle Tobin

P: 9341 1403


Nominal Hours: 60

Regardless of the mode of delivery, represent a guide to the relative teaching time and student effort required to successfully achieve a particular competency/module. This may include not only scheduled classes or workplace visits but also the amount of effort required to undertake, evaluate and complete all assessment requirements, including any non-classroom activities.

Pre-requisites and Co-requisites

HLTDT301D Construct models
HLTDT302D Construct custom impression trays
HLTDT303D Construct registration rims
HLTDT304D Articulate models and transfer records
HLTDT507C Construct immediate dentures
HLTDT508C Construct removable acrylic partial dentures
HLTDT509D Cast metal alloy removable partial denture framework
HLTDT510C Construct metal, crown and bridge structures
HLTDT511C Join alloy structures
HLTDT519C Construct simple complete removable acrylic dentures and appliances
HLTIN301C Comply with infection control policies and procedures
HLTWHS300A Contribute to WHS processes

Course Description

This unit of competency describes the skills and knowledge you will require to construct removable orthodontic appliances. The appliances you construct would be used in industry to move patients teeth into a position that will provide better function and aesthetics. You will construct a range of appliances to cater for the various needs of a patient. All procedures are carried out in accordance with work health and safety (WHS) policies and procedures, current infection control guidelines, Australian and New Zealand Standards, state/territory legislative requirements and organisation policy.

National Codes, Titles, Elements and Performance Criteria

National Element Code & Title:

HLTDT514D Construct orthodontic appliances


1. Select or construct and assemble components and materials

Performance Criteria:

1. Select or construct and assemble components and materials
1.1 Select materials for removable orthodontic appliances according to design and function specified by prescription
1.2 Select pre-formed components which are required and confirm they are fit for the purpose
1.3 Construct individual custom-made components according to prescription


2. Construct orthodontic appliance

Performance Criteria:

2. Construct orthodontic appliance
2.1 Secure components to model by appropriate means
2.2 Apply appropriate materials to the cast to form a baseplate according to the manufacturer's instructions and the prescription
2.3 Process the appliance using equipment and techniques which are appropriate to the manufacturer's instructions and the prescription


3. Finish orthodontic appliances

Performance Criteria:

3. Finish orthodontic appliances
3.1 Select techniques, materials and equipment for trimming, finishing and polishing that are 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 to leave 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

Learning Outcomes

On completion of this course you will be able to demonstrate, on a consistent basis, the construction of removable orthodontic appliances. You will develop your manual dexterity bending wires of varied gauges to facilitate various functions, coupled with processing acrylic in a range of colours to appeal to the aesthetic needs of patients.

Details of Learning Activities

Participation in group activities based on a simulated workplace exercises.
Practical exercises
Individual exercises carrying out requirements of competency.
Student experiences in workplace “on job training”

Teaching Schedule


  • HLTDT514D Construct orthodontic appliances appliances 30/09/2013 (0830 -1230 - 4 hours)


Practical: Various sessions delivered dependent on the group.

Learning Resources

Prescribed Texts

Anatomy of Orofacial Structures


Mosby's Dental Dictionary



Other Resources

  • RMIT online learning Hub
  • Library
  • Internet links
  • Primal Pictures
  • Journals, Brochures, Pamphlets, Newspapers, Magazines

Overview of Assessment

You will be assessed in a simulated workplace and under the normal range of work conditions.

You will be assessed on both the essential knowledge and the demonstration of essential skills through;

Completion of practical exercises - including detailed self reflection of each exercise
Practical exam
Theory exam


Assessment Tasks

Practical exercises:

  1. Hawley expansion retainer & soldering orthodontic appliance

Assessment guidelines for the practical exercises, as outlined in the practical exercise book.

Practical competency examination

  1. Orthodontic retainer

Theoretical examination

Construct orthodontic appliances appliances

One element of the 3 hour exam (divided into competencies) PASS MARK 60%, If ’NYC’ (Not Yet Competent) result is achieved the student will be provided with detailed feedback of the shortcomings and given a further opportunity to sit a secondary exam.

If a grade of 40% or less is achieved the student will NOT be granted an opportunity to sit a secondary exam and the student will be required to re-enroll in the unit which will be incurr fees.

Please note: A subsequent NYC result for any of above mentioned assessments may require the student to attend further class work within their enrolment period or may result in the student re-enrolling in the unit which will be incurring fees.

Assessment Matrix

Other Information

Please Note: Students may apply for Special Consideration as (per the information provided in the Student Handbook ) via the RMIT Hub @ http:/ consideration if they believe their ability to complete Assessment for this Unit by the submission date has been affected by factors beyond their control. Special Consideration must be lodged prior to or within 48 hours of the scheduled assessment time or assessment submission date.

The application for Special Consideration is NOT granted automatically on application.

Students are required to support the learning outcomes this Unit with work based experience and/ or further self managed research to support positive outcomes in this Unit.

To undertake practical exercises and /or assessment students MUST present for the assessment process as follows:

Please note these are also WH&S requirements for clinical safety.

In appropriate practical class attire (Protective clothing for legs - if shorts, must cover knees, lab coat, safety glasses)
Fully covered in leather(not suede) footwear

Hair to be contained by tying back or in appropriate hair cover.
No artificial fingernails to be worn
The wearing of henna is acceptable.
Short, clean fingernails
No jewellery to be worn on the hands or wrists. Wedding rings or jewellery that cannot be removed for cultural reasons must be taped with an appropriate waterproof tape
All cuts/ skin abrasions on the hands or wrists must be covered with a waterproof dressing

A student that is non-compliant with any of the above requirements will not be permitted to undertake practical exercises or assessment at the scheduled time. The student will be rescheduled to undertake assessment at a later date.


Course Overview: Access Course Overview