Elements and Performance Criteria
- Elements define the essential outcomes
- Plan treatment
- Ensure a structured professional relationship with a dentist is established
- Obtain accurate, complete and legal records of the patient’s personal, medical and dental history
- Provide details of the procedure to the patient or carer and obtain and document consent following ethical and legal requirements
- Make accessible in the clean zone of the surgery the patient’s required laboratory work and necessary charts and records
- Ensure emergency procedures are in place and ready for use according to relevant guidelines
- Take a primary impression
- Select correctly the equipment, instruments and materials for the primary impression
- Apply standard precautions to take primary impressions of the maxilla and/or mandible using an impression material in stock edentulous trays
- Pour impression material in dental stone and trim for custom tray fabrication
- Prepare to take a final impression
- Fabricate a custom tray with sufficient spacing over impression copings
- Attach static (non-screw) retained impression copings to the abutments
- Attach impression copings to the abutments
- Try-in the custom tray in the mouth and check for comfort and path of insertion with sufficient space between tray and impression coping
- Take the final impression
- Pour master and/or working models and fabricate occlusal rims
- Record jaw relationships and occlusion
- Position the patient comfortably for the procedure
- Instruct the patient on participation during the procedure
- Ensure stability and comfort of registration rims
- Observe centric and eccentric mandibular movements
- Determine and record functional measurements and dimensions
- Consider referral if jaw relationship cannot be determined
- Check recordings by observation and repetition
- Maintain integrity of the recording during extra-oral transfer
- Ensure the patient’s wellbeing before they leave dental workplace
- Select appropriate artificial teeth
- Ensure adequacy of natural and artificial light for selection of colour and shade
- Consult patient regarding aesthetic and functional requirements
- Consider properties and composition of artificial teeth in relation to wear and aesthetics
- Examine manufacturer’s mould and shade guides
- Select artificial teeth that are appropriate in shade, size and shape
- Fit and evaluate try-in prosthesis
- Position the patient comfortably for the procedure
- Instruct the patient on participation during the procedure
- Examine the try-in prosthesis for retention and stability
- Examine the occlusal relationships of the try-in prosthesis for accuracy of centric relation
- Assess the aesthetic appearance of teeth and gums
- Assess that speech has not been affected
- Assess patient comfort
- Complete documentation as required
- Process, evaluate and insert the completed overdenture
- Position the patient comfortably for the procedure
- Instruct the patient on participation during the procedure
- Examine the prosthesis for retention and stability
- Check the fitting surfaces of the appliance and ensure there are no sharp ridges or acrylic pearls
- Place denture in the mouth and assess that no over-extensions occur along the periphery of the dentures
- Seat denture onto overdenture abutments
- Confirm the occlusal relationships are acceptable
- Assess aesthetics of removable dental prosthesis
- Assess phonetics of removable dental prosthesis
- Assess patient comfort of removable dental prosthesis.
- Provide instructions on the insertion and removal, hygiene and ongoing maintenance of the prosthesis and abutments
- Ensure the dentist in the structured professional relationship is informed of completed final prosthesis