Course Title: Construct cast alloy removable partial denture framework
Part B: Course Detail
Teaching Period: Term1 2017
Course Code: DENT5868C
Course Title: Construct cast alloy removable partial denture framework
School: 174T School of VE Engineering, Health & Science
Campus: City Campus
Program: C5373 - Diploma of Dental Technology
Course Contact: Matthew Clayton
Course Contact Phone: +61 3 9341 1417
Course Contact Email: matthew.clayton@rmit.edu.au
Name and Contact Details of All Other Relevant Staff
Nominal Hours: 80
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
Not applicable
Course Description
This unit of competency describes the skills and knowledge required to construct burnout patterns for cast metal framework and to devest, trim, treat, finish and evaluate alloy structures.
This unit applies to work in dental technology.
National Codes, Titles, Elements and Performance Criteria
National Element Code & Title: |
HLTDET008 Construct cast alloy removable partial denture framework |
Element: |
1. Prepare master model |
Performance Criteria: |
1.1 Read and interpret the work order 1.2 Confirm the survey of model that has been carried out by the operator 1.3 Transfer design to master model 1.4 Block out undesirable undercuts 1.5 Create clasp ledges 1.6 Scribe food lines 1.7 Apply tissue relief 1.8 Apply saddle relief |
Element: |
2. Construct refractory model |
Performance Criteria: |
2.1 Duplicate master model in refractory material to produce an accurate copy of the model 2.2 Construct sprue former as necessary 2.3 Prepare the refractory model appropriately and apply an appropriate hardener or sealant |
Element: |
3. Wax and invest removable partial denture framework |
Performance Criteria: |
3.1 Transfer design outline correctly to the refractory model 3.2 Select appropriate wax and pre-formed components 3.3 Wax up patterns to the refractory cast consistent with the design 3.4 Sprue the pattern using material of the correct size and in the correct shape and position for the material being cast, and attach it to the investment former 3.5 Select appropriate investment and technique according to the alloy 3.6 Prepare investment materials in accordance with manufacturers' instructions 3.7 Treat the surface of the wax, patterns and sprues 3.8 Allow for investment setting time in accordance with manufacturer's instructions |
Element: |
4. Burnout and cast removable partial denture framework |
Performance Criteria: |
4.1 Select appropriate alloy according to work order 4.2 Select burnout and preheat cycles for appropriate investment and alloy combination 4.3 Burnout wax from investment mould and hold at recommended temperature for casting 4.4 Melt alloy and cast using appropriate materials, equipment and techniques |
Element: |
5. Devest, trim, finish and evaluate alloy structures for removable partial denture |
Performance Criteria: |
5.1 Select and apply cooling cycle 5.2 Remove the cast alloy structure from the investment without damaging the integrity of the structure 5.3 Remove oxides using an appropriate abrasive or chemical treatment 5.4 Visually examine the cast alloy structure and correctly identify any casting faults and assess the viability of the casting 5.5 Remove sprues and trim and shape the alloy structure 5.6 Treat the surface of the alloy using appropriate materials and equipment, and finish using appropriate abrasives and polishes 5.7 Position the cast on the master model and check accuracy of major connection and clasps, and adjust any metal occlusal contacts with antagonist 5.8 Decontaminate the denture framework according to infection control guidelines 5.9 Dry the denture framework, replace on model and place in a sealed container for dispatch |
Learning Outcomes
On completion of this course, you should be able to:
- Prepare master model
1.1 Read and interpret the work order
1.2 Confirm the survey of model that has been carried out by the operator
1.3 Transfer design to master model
1.4 Block out undesirable undercuts
1.5 Create clasp ledges
1.6 Scribe food lines
1.7 Apply tissue relief
1.8 Apply saddle relief
- Construct refractory model
2.1 Duplicate master model in refractory material to produce an accurate copy of the model
2.2 Construct sprue former as necessary
2.3 Prepare the refractory model appropriately and apply an appropriate hardener or sealant
- Wax and invest removable partial denture framework
3.1 Transfer design outline correctly to the refractory model
3.2 Select appropriate wax and pre-formed components
3.3 Wax up patterns to the refractory cast consistent with the design
3.4 Sprue the pattern using material of the correct size and in the correct shape and position for the material being cast, and attach it to the investment former
3.5 Select appropriate investment and technique according to the alloy
3.6 Prepare investment materials in accordance with manufacturers’ instructions
3.7 Treat the surface of the wax, patterns and sprues
3.8 Allow for investment setting time in accordance with manufacturer’s instructions
- Burnout and cast removable partial denture framework
4.1 Select appropriate alloy according to work order
4.2 Select burnout and preheat cycles for appropriate investment and alloy combination
4.3 Burnout wax from investment mould and hold at recommended temperature for casting
4.4 Melt alloy and cast using appropriate materials, equipment and techniques
- Devest, trim, finish and evaluate alloy structures for removable partial denture
5.1 Select and apply cooling cycle
5.2 Remove the cast alloy structure from the investment without damaging the integrity of the structure
5.3 Remove oxides using an appropriate abrasive or chemical treatment
5.4 Visually examine the cast alloy structure and correctly identify any casting faults and assess the viability of the casting
5.5 Remove sprues and trim and shape the alloy structure
5.6 Treat the surface of the alloy using appropriate materials and equipment, and finish using appropriate abrasives and polishes
5.7 Position the cast on the master model and check accuracy of major connection and clasps, and adjust any metal occlusal contacts with antagonist
5.8 Decontaminate the denture framework according to infection control guidelines
5.9 Dry the denture framework, replace on model and place in a sealed container for dispatch
Details of Learning Activities
You will learn through a number of planned activities (face to face classes, simulated workplace learning, online learning via blackboard and other forms of structured teaching and learning). You will be observed and assessed through their planned activities
throughout the duration of the course.
Teaching Schedule
Delivered in classrooms and simulated laboratories, schedules vary from group to group so schedule is posted on Blackboard for staff and you.
Learning Resources
Prescribed Texts
References
Other Resources
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 |
Ass1 |
Ass 2 |
Ass 3 |
1.1 |
x |
x |
x |
1.2 |
x |
x |
x |
1.3 |
x |
x |
x |
1.4 |
x |
x |
x |
1.5 |
x |
x |
x |
1.6 |
x |
x |
x |
1.7 |
x |
x |
x |
1.8 |
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 |
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3.5 |
x |
x |
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3.6 |
x |
x |
x |
3.7 |
x |
x |
x |
3.8 |
x |
x |
x |
4.1 |
x |
x |
x |
4.2 |
x |
x |
x |
4.3 |
x |
x |
x |
4.4 |
x |
x |
x |
5.1 |
x |
x |
x |
5.2 |
x |
x |
x |
5.3 |
x |
x |
x |
5.4 |
x |
x |
x |
5.5 |
x |
x |
x |
5.6 |
x |
x |
x |
5.7 |
x |
x |
x |
5.8 |
x |
x |
x |
5.9 |
x |
x |
x |
To be deemed competent you must demonstrate an understanding of all aspects required of the competency. Assessment methods have been
Assessment Tasks
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. Theory assessment pass mark is 60%.
Assessment Matrix
Ref Assessment Mapping Matrix
Other Information
Competency requirements and Grading:
To be deemed competent you must demonstrate an understanding of all elements of a competency. Assessment methods have been designed to measure achievement of each competency in a flexible manner over multiple tasks.
You will be advised that you are likely to be asked to personally demonstrate their assessment work to their teacher to ensure that the relevant competency standards are being met. Observation of You performing work is used to confirm competency.
Grading available are:
Grade level Competency Level
CA Competency Achieved -The learner will be able to apply facts, rules and standard solutions to achieve a predictable task or solve a problem.
NYC Not Yet Competent
-Although the learner exhibits access to a limited range of facts and rules, the learner has difficulty applying these facts and rules to a familiar task.
DNS: Did not submit assessment
Study and learning Support:
Study and Learning Centre (SLC) provides free learning and academic development advice to you.
Services offered by SLC to support your numeracy and literacy skills are: assignment writing, thesis writing and study skills advice B maths and science developmental support and advice
English language development
Please Refer http://www.rmit.edu.au/studyandlearningcentre to find more information about Study and learning Support
Disability Liaison Unit:
If you are suffering from long-term medical condition or disability, you should contact Disability Liaison Unit to seek advice and support to complete your studies.
Please Refer http://www.rmit.edu.au/disability to find more information about services offered by Disability Liaison Unit.
Assessment Submission:
Turnitin
Turnitin is an online text-matching service which can be used to support academic integrity and address plagiarism. All submissions via Turnitin within Blackboard include the relevant wording for the e-Submission authorisation process. You are to use Turnitin. To verify that the work submitted is their own work and referenced accordingly. This software will be used by all staff to ensure original work by You is checked at submission of the assessment.
e-Submission:
The University is obliged to obtain clear You authorisation on all assessable works. RMIT’s e-Submission process provides a valid authorisation equivalent to a signature on a paper coversheet allowing You to submit assessment works electronically.
The e-Submission process requires that specific wording and a link to the assessment declaration is included in your assessment documentation in order to comply with legal and statutory obligations, and can be used with all RMIT teaching technologies, including;
- Blackboard
- PebblePad
- WebLearn
- RMIT’s Google Apps for Education (Gmail, Drive, Sites etc.)
The use of fully electronic submissions saves significant time for both staff and You.
Good practice
- Providing clear advice to you on the e-Submission process as part of their assessment expectations assists in ensuring that it is straightforward for RMIT You to submit work electronically.
- You can submit non-electronic works via conversion by a digital scanner, i.e. paper-based assessments can be scanned and submitted for assessment via the e-Submission process.
- Establishing a Turnitin assignment in Blackboard is a quick way to provide an e-Submission process for a class group.
You must submit all assessment tasks electronically via blackboard as directed by their teacher.
You are not to email or hand assessment tasks to teachers in class, corridor or cafeteria etc
Late submission:
If you require an Extension of Submittable Work (assignments, reports or project work etc.) for 7 calendar days or less (from the original due date) and have valid reasons, you must complete and
Lodge an Application for Extension of Submittable Work (7 Calendar Days or less) form and lodge it with the Senior Educator/ Program Manager.
The application must be lodged no later than one working day before the official due date. You will be notified within no more than 2 working days of the date of lodgement as to whether the extension has been granted.
If you seek an Extension of Submittable Work for more than 7 calendar days (from the original due date) must lodge an Application for Special Consideration form under the provisions of the Special Consideration Policy, preferably prior to, but no later than 2 working days after the official due date.
Assignments submitted late without approval of an extension will not be accepted or marked.
Refer to RMIT University Policies and Procedures, verify for most recent version.
Special consideration:
Please Refer http://www.rmit.edu.au/browse;ID=riderwtscifm to find more information about special consideration
Plagiarism:
Plagiarism may occur in oral or written presentations. Plagiarism is the presentation of another person’s work, idea or creation as one’s own; without appropriate referencing. Plagiarism is not acceptable. The use of another person’s work or ideas must be acknowledged. Failure to do so may result in charges of academic misconduct, which may result in cancellation of results and exclusion from your course.
Please Refer: www.rmit.edu.au/academicintegrity to find more information about plagiarism
Other Information:
All email communications will be sent to your RMIT email address and you must regularly check your RMIT emails.
Course Overview: Access Course Overview