Course Title: Construct crown and bridge structures

Part B: Course Detail

Teaching Period: Term1 2011

Course Code: DENT5201C

Course Title: Construct crown and bridge structures

School: 155T Vocational Health and Sciences

Campus: City Campus

Program: C5206 - Diploma of Dental Technology

Course Contact: Mark Doherty

Course Contact Phone: +61 3 93411407

Course Contact Email:

Name and Contact Details of All Other Relevant Staff

Simon Pearse: Ph - 9341 1411
Fax - 93411401
Email –

Zanne Frazer: Ph - 9341 1402
Fax - 9341 1401
Email –

Nicholas Greer: Ph - 9341 1420
Fax - 93411401
Email –

James Moser: Ph – 9341 1417
Fax - 9341 1401
Email –

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

Pre-requisites for this unit include:
• HLTIN301A Comply with infection control policies and procedures in health work
• HLTDT301B Construct models
• HLTDT302B Construct custom impression trays
• HLTDT304B Articulate models and transfer records

Course Description

This unit of competency describes the skills and
knowledge required to design and manufacture 
crowns, bridges, inlays,onlays and veneers. 

All procedures are carried out in accordance with
occupational health and safety 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:

HLTDT510B Construct crown and bridge structures


Elements define the essential outcomes of a unit of competency.

1. Prepare removable stone die

2. Duplicate model

3. Wax and invest fixed partial dentures and structures

4. Burnout, cast and finish alloy fixed partial dentures and structures

Performance Criteria:

1.1 Pour-up die stone horseshoe
1.2 Grind base of die stone to appropriate height and
with level occlusal plane
1.3 Trim away undercuts from base of die stone model
1.4 Prepare die model for dowel pin and base in
accordance with manufacturer’s instructions

2.1 Prepare materials to duplicate models in
accordance with manufacturer’s instructions
2.2 Mix stones, die-stones and refractories in
accordance with manufacturer instructions
2.3 Produce an accurate, bubble free
duplicate model

3.1 Wax up crown and bridge restorations
3.2 Sprue crown and bridge wax pattern and prepare
for investing
3.3 Select appropriate investment material according
to the alloy to be used
3.4 Prepare investment material according to the
manufacturer’s instructions
3.5 Invest wax patterns

4.1 Select burnout techniques appropriate to the
investment material and alloy
4.2 Cast metal restorations in appropriate alloy
4.3 Devest metal restoration without damaging casting
4.4 Check the casting for defects
4.5 Trim and polish metal restoration while
maintaining all contact areas and margins
4.6 Evaluate the finished restoration
4.7 Decontaminate the casting according to infection
control guidelines
4.8 Dry the casting, replace on model and place in a
sealed container for dispatch

Learning Outcomes

On completion of this course the participants will be able to demonstrate, on a consistent basis, the process involved in construction of crowns, bridges, inlays,onlays and veneers.  

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

• Delivered as follows:
Fixed Bridge Construction THEORY: Session time; four hours (approx)
Fixed Bridge Construction THEORY REVIEW: Session time; one hour (approx)

Investment Materials and Casting Defects THEORY: Session time; four hours (approx)
Investment Materials and Casting Defects THEORY REVIEW: Session time; one hour (approx)

Learning Resources

Prescribed Texts

Anatomy of Orofacal Structures


Mosby's Dental Dictionary



Other Resources

Overview of Assessment

This unit is to be assessed in a simulated workplace and under the normal range of work conditions.
Practical exercises, presentation of competency assessment exercises, theoretical tests are used

Assessment Tasks

The assessments in this unit are undertaken in a simulated workplace and under the normal range of work conditions in the form of practical exercises, a practical competency and theoretical exams (PASS MARK 70%) all of which are to be
co-assessed with the following units;
HLTIN301A: Comply with Infection Control,
HLTOHS300A: Contribute to OHS Processes,
BSBCMN302A: Organise Personal Work Priorities,
BSBCMN305A: Organise Workplace Information
All forms of assessments and co-assessed units are to be passed to pass this unit.

Assessment Matrix

Weighting of the assessment tasks:

* Practical competency - 50%
* Theoretical exams - 50% (Fixed Brdge Construction - Investment Materials & Casting Defects)

Course Overview: Access Course Overview