Course Title: Construct custom impression trays

Part A: Course Overview

Program: C5373 Diploma of Dental Technology

Course Title: Construct custom impression trays

Portfolio: SEH Portfolio Office

Nominal Hours: 30

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.

Course Code

Campus

Career

School

Learning Mode

Teaching Period(s)

DENT5862C

City Campus

TAFE

174T School of VE Engineering, Health & Science

Face-to-Face or Internet or Workplace

Term1 2017

Course Contact: Matthew Clayton

Course Contact Phone: +61 3 9341 1417

Course Contact Email: matthew.clayton@rmit.edu.au



Course Description

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.

Pre-requisite Courses and Assumed Knowledge and Capabilities

Not applicable



National Competency Codes and Titles

National Element Code & Title:

HLTDET002 Construct custom impression trays

Elements:

1. Prepare model

2. Select and prepare materials

3. Construct custom impression tray

4. Finish custom impression tray


Learning Outcomes

On completion of this course, you should be able to:

  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

 

  1. 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

 

  1. 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

 

  1. 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


Overview of Assessment

Before the critical aspects of evidence are considered all prerequisites must be met.

 

 

Assessment

Assessment: Task 1

Practical assessment, read and correctly interpret work orders, fabricate appliances

Assessment: Task 2

Practical assessment, critically evaluate practical work to meet technical laboratory and clinician requirements

Assessment: Task 3

Theory assessment, written exam

 

Assessment Mapping Matrix

 

Elements/Performance Criteria Covered

Ass 1

Ass 2

Ass 3

1.1

x

x

x

1.2

x

x

x

1.3

x

x

x

1.4

x

x

x

2.1

x

x

x

2.2

x

x

x

2.3

x

x

x

3.1

x

x

x

3.2

x

x

x

3.3

x

x

x

3.4

x

x

x

3.5

x

x

x

3.6

x

x

x

3.7

x

x

x

4.1

x

x

x

4.2

x

x

x

4.3

x

x

x

 

To be deemed competent you must demonstrate an understanding of all aspects required of the competency. Assessment methods have been designed to measure your achievement of each competency in a flexible manner over multiple tasks.