HLTDEN026Take an impression for study models

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What an assessment for HLTDEN026 must cover

53 assessable components: 6 elements (29 performance criteria), 1 performance evidence and 23 knowledge evidence requirements. An audit-defensible tool maps every question and task back to these — that mapping is the coverage matrix Auditori generates alongside the assessment.

Elements & performance criteria

1 Assess the patient.

  • 1.1Confirm patient’s medical history and review with dental practitioner.
  • 1.2Provide full details of the procedure to patient or carer.
  • 1.3Obtain and document consent adhering to ethical and legal requirements.
  • 1.4Select equipment and instruments for the impression.
  • 1.5Prepare personal protective equipment for patient and members of the dental team.

2 Select appropriate impression tray.

  • 2.1Check position of the dental chair and patient for the procedure.
  • 2.2Impression tray for size and modify as required to ensure accuracy and comfort.
  • 2.3Instruct patient on participation during the procedure.
  • 2.4Follow infection control procedures during the procedure.

3 Prepare impression material.

  • 3.1Select impression material in accordance with desired outcome.
  • 3.2Mix the impression material to correct consistency and quantity required according to manufacturers’ instructions.

4 Perform impression-taking procedure.

  • 4.1Implement standard precautions during impression-taking.
  • 4.2Remove saliva from the occlusal surfaces.
  • 4.3Load tray with an appropriate amount of impression material and seat the tray from the back using gentle pressure.
  • 4.4Ensure the impression extends to and surrounds dental hard tissue structures.
  • 4.5Ensure the impression has adequate extension into the buccal sulcus and vestibule.
  • 4.6Carry out muscle trimming after seating the impression.
  • 4.7Monitor and reassure the patient throughout the procedure including gag reflex.
  • 4.8Remove the impression when set.
  • 4.9Examine patient’s mouth for injury and impression material debris following removal of the impression.
  • 4.10Restore patient’s comfort and appearance.

5 Assess the impression.

  • 5.1Assess the quality of the impression for the required study model.
  • 5.2Identify common impression-taking problems.
  • 5.3Document details of the procedure in accordance with organisational policies.

6 Decontaminate the impression.

  • 6.1Implement standard precautions during impression-taking.
  • 6.2Rinse the impression or denture in cold running tap water to remove all traces of saliva and blood.
  • 6.3Clean the impression in a suitable solution.
  • 6.4Rinse the impression until all visible contamination is removed.
  • 6.5Identify and correctly label impression and record procedure.

Performance evidence

  • undertake ten impression procedures on a minimum of at least five different people for study models ensuring patient safety and meeting the clinical requirements.

Knowledge evidence

  • national and State or Territory legal and ethical requirements and considerations for dental assisting work including:
  • codes of practice
  • discrimination
  • duty of care
  • informed consent and statutory requirements of consent
  • practice standards and dental guidelines
  • privacy, confidentiality and disclosure
  • infection control guidelines and procedures
  • records management
  • work role boundaries including responsibilities and limitations
  • work health and safety
  • current Dental Board of Australia (DBA) and Australian Health Practitioner Regulation Agency (AHPRA) guidelines and practice standards.
  • fundamental oral anatomy:
  • dentition, arrangement of the teeth, naming and coding of teeth
  • structures of the oral cavity, hard and soft palate, lateral and posterior borders of the oral cavity, tongue and floor of the mouth
  • teeth form and function
  • principles and practices which underpin interpersonal communication
  • principles of quality assurance and work effectiveness
  • rationale and objectives for the taking of impressions for study models
  • impression materials suitable for creating impressions for study models
  • appropriate mechanisms for managing a gag reflex
  • appropriate responses to patient’s reactions during impression taking procedure
  • organisational policies for documenting dental procedures.

Unit content sourced from training.gov.au — © Commonwealth of Australia, licensed under CC BY 4.0. Auditori is not affiliated with the Department of Employment and Workplace Relations.

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Real, unedited Auditori output (RIIHAN201E shown), branded for a sample RTO:

Questions about assessing HLTDEN026

What does an assessment tool for HLTDEN026 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for HLTDEN026 needs to address all 53 unit components: 6 elements with 29 performance criteria, 1 performance evidence requirements, 23 knowledge evidence requirements, and the foundation skills. A coverage matrix mapping each question and task to these components is what an auditor looks for.

How does Auditori generate an assessment tool for HLTDEN026?

Auditori pulls the current release of HLTDEN026 from training.gov.au and generates a complete package: candidate assessment, assessor guide with model answers and observation criteria, and a coverage matrix mapping every component. A suitably qualified person then reviews and approves the draft in a built-in workflow — consistent with ASQA's guidance on AI use in VET — before export as branded PDF and editable Word.

Is the first assessment tool really free?

Yes. Every new account includes one free credit — enough to generate the complete assessment tool for HLTDEN026 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing HLTDEN026 assessment instead of generating a new one?

Yes — upload your existing assessment or learner guide and Auditori maps it against every element, performance criterion, PE and KE of HLTDEN026, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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