Course Title: Prepare to expose a prescribed dental radiographic image

Part A: Course Overview

Program: C4209 Certificate IV in Dental Assisting

Course Title: Prepare to expose a prescribed dental radiographic image

Portfolio: SEH Portfolio Office

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.

Course Code




Learning Mode

Teaching Period(s)


City Campus


155T Vocational Health and Sciences

Face-to-Face or Workplace

Term2 2012

Course Contact: Eleanor Schroeder

Course Contact Phone: +61 3 9341 1412

Course Contact Email:

Course Description

This unit of competency describes the skills and knowledge required to interpret a prescribed request for a dental radiographic image. It also includes the preparation of the client for dental radiography and the selection of equipment requirements
All procedures are carried out in accordance with occupational health and safety policies and procedures, current infection control guidelines, Australian and New Zealand Standards for maintaining infection control and the policies and procedures of the dental practice or organisation
All tasks are carried out in accordance with state or territory legislative requirements

Pre-requisite Courses and Assumed Knowledge and Capabilities

The following units are pre-requisites for this unit:
• HLTIN301A Comply with infection control policies and procedures in health work
• HLTIN302A Process reusable instruments and equipment in health work
• HLTOHS300A Contribute to OHS processes in the health industry
This unit should be assessed in conjunction with the following related competency units:
• HLTDA410B Apply the principles of radiation biology and protection in dental practice
• HLTDA412B Produce a dental radiographic image

National Competency Codes and Titles

National Element Code & Title:

HLTDA411C Prepare to expose a prescribed dental radiographic image


1. Interpret the request for the prescribed dental radiographic image
2. Refer to previous dental radiographic imaging
3. Assess and determine the procedure prior to exposing a dental radiographic image
4. Select and prepare dental radiographic imaging equipment and accessories appropriate to the procedure

Learning Outcomes

1.1 Interpret the request accurately using appropriate dental terminology
1.2 Assess the request for sufficient information to produce the radiographic image and obtain additional information when necessary
1.3 Determine the appropriate technique from the request
1.4 Select and use appropriate technical variables in accordance with manufacturer specifications and client requirements

2.1 Review previous dental radiographic images for technical quality
2.2 Refer to previous dental radiographic images and dental records for evidence of pre-existing conditions diagnosed by dentist or dental specialist
2.3 Obtain additional information and advice from the dentist or dental specialist when necessary

3.1 Determine the client’s ability to comply with instructions
3.2 Review modifications to the standard procedure with the operator prior to implementation
3.3 Obtain additional information and advice from the dentist or dental specialist prior to proceeding with the procedure if required
3.4 Explain the procedure and necessary requirements clearly to the client prior to commencement
3.5 Prepare client prior to producing a dental radiographic image
3.6 Confirm client identity and match to the request
3.7 Obtain consent from the client /carer

4.1 Select appropriate dental radiographic imaging equipment for the procedure and identify client requirements
4.2 Select and use correctly appropriate accessories for dental radiographic imaging
4.3 Select appropriate technical variables of the dental radiographic imaging equipment

Overview of Assessment

• Observation in the work place is essential. Assessment in the workplace must be flexible to allow for client confidentiality and organisation policies
• Evidence of essential knowledge and understanding may be provided by:
- traditional or online (computer-based) assessment
- written assignments/projects
• Case study and scenario as a basis for discussion of issues and strategies to contribute to best practice
• Questioning
• Staff and/or client feedback
• Supporting statement of supervisor
• Authenticated evidence of relevant work experience and/or formal/informal learning