Course Title: Construct custom impression trays

Part B: Course Detail

Teaching Period: Term1 2019

Course Code: DENT5862C

Course Title: Construct custom impression trays

School: 174T School of VE Engineering, Health & Science

Campus: City Campus

Program: C5387 - Diploma of Dental Technology

Course Contact: Rachael Starr

Course Contact Phone: +61 3 9341 1420

Course Contact Email: rachael.starr@rmit.edu.au

Name and Contact Details of All Other Relevant Staff

Justin Kidgell

justin.kidgell@rmit.edu.au

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.

Pre-requisites and Co-requisites

None

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.

National Codes, Titles, Elements and Performance Criteria

National Element Code & Title:	HLTDET002 Construct custom impression trays
Element:	1. Prepare model
Performance Criteria:	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
Element:	2. Select and prepare materials
Performance Criteria:	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
Element:	3. Construct custom impression trays
Performance Criteria:	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
Element:	4. Finish custom impression trays
Performance Criteria:	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

Learning Outcomes

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

1. Prepare model 

1. Select and prepare materials 

1. Construct custom impression tray 

1. Finish custom impression tray 

Details of Learning Activities

Theory lectures 

Practical construction of dental impression trays 

Teaching Schedule

Week 3 Theory/Practical

Week 4 Practical continued

Week 5 Practical continued

Week 6 Practical continued/Revision 

Week 7 Theory exam/Practical exam   

Learning Resources

Prescribed Texts

References

Other Resources

Overview of Assessment

Assessment 1 - Theory assessment - written test

Assessment 2 - Practical assessment 

 

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.

Assessment Tasks

Assessment 1: Theory knowledge exam 

Assessment 2: Practical knowledge exam:

Part 1: Edentulous lower light cure tray

Part 2: Edentulous upper light cure tray

Part 3: Partial upper Ivolen acrylic tray

Part 4: Partial lower Ivolen acrylic tray 

Assessment Matrix

E/PC	Assessment 1	Assessment 2: Parts 1-4
1.1		x
1.2		x
1.3	x	x
1.4	x	x
2.1	x	´
2.2	x	x
2.3	x	x
3.1	x	x
3.2	x	x
3.3		x
3.4	x	x
3.5		x
3.6		x
3.7		x
4.1	x	x
4.2	x	x
4.3	x	x

Course Overview: Access Course Overview