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Trial registered on ANZCTR
Registration number
ACTRN12622001255774p
Ethics application status
Submitted, not yet approved
Date submitted
15/09/2022
Date registered
19/09/2022
Date last updated
19/09/2022
Date data sharing statement initially provided
19/09/2022
Type of registration
Prospectively registered
Titles & IDs
Public title
Assessing the effectiveness of using Poly Ether Ketone (PEK) framework to reinforce digital dental prostheses to prevent prostheses fracture for edentulous adult requiring dental rehabilitation
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Scientific title
Efficacy of Poly Ether Ketone (PEK) framework to reinforce digital dental prostheses to prevent prostheses fracture for edentulous adult requiring dental rehabilitation
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Secondary ID [1]
307968
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Nil Known
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Edentulous
327630
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Condition category
Condition code
Oral and Gastrointestinal
324718
324718
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0
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Other diseases of the mouth, teeth, oesophagus, digestive system including liver and colon
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
The use of Poly Ether Ketone (PEK) framework reinforced digital dental prostheses will be offered to participants who are partially or completely edentulous requiring dental rehabilitation in place of other standard of care dental protheses such as a traditionally hand crafted dental prothesis or digital dental prothesis.
PEK framework reinforced digital dental prostheses will be manufactured to match participant’s dentition using computer aided design and computer aided manufacturing.
Participants will be asked to participate in the following interventions:
Intervention
• Appointment 1 (4 weeks prior to Baseline visit and Approximately 1 hour duration):
o Obtain intraoral scan or impression/mould of the teeth and soft tissues
o Administration of dental rehabilitation satisfaction quality of life questionnaire
• Appointment 2 (Baseline and Approximately 1 hour duration): Placement of PEK reinforced digital dental prosthesis
Participants will wear the prosthesis all day and night for 12 months.
Follow up
• 3 months (Approximately 1 hour duration):
o Assessment of the dental prosthesis for any sign of fracture
o Administration of dental rehabilitation satisfaction quality of life questionnaire
• 6 months (Approximately 1 hour duration):
o Assessment of the dental prosthesis for any sign of fracture
o Administration of dental rehabilitation satisfaction quality of life questionnaire
• 12 months (Approximately 1 hour duration):
o Assessment of the dental prosthesis for any sign of fracture
o Administration of dental rehabilitation satisfaction quality of life questionnaire
Intervention will be delivered face to face in the hospital clinic by a qualified reconstructive surgeon/oral and maxillofacial surgeon/prosthodontist.
There is no requirement for assessment of adherence. The design of PEK reinforced digital dental prosthesis will conducted under a specific protocol to maintain the fidelity of intervention.
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Intervention code [1]
324428
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Treatment: Devices
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Comparator / control treatment
Historical control group (Source: Medical Record from Chris O'Brien Lifehouse Hospital, Time Period: 5 years from July 2017 to June 2022)
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Control group
Historical
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Outcomes
Primary outcome [1]
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To assess the rate of fracture using a PEK framework reinforced digital dental prosthesis compared to historical controls by clinical examination by reconstructive surgeon/oral and maxillofacial surgeon/prosthodontist.
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Assessment method [1]
332551
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Timepoint [1]
332551
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At baseline, 3 months follow up, 6 months follow up, and 12 months follow up.
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Secondary outcome [1]
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Change in patient quality of life measured by dental rehabilitation satisfaction questionnaire.
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Assessment method [1]
413881
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Timepoint [1]
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Baseline, 3 months follow up, 6 months follow up, and 12 months follow up
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Eligibility
Key inclusion criteria
• 18 years and older
• Partial or complete edentulous requiring dental rehabilitation
• Willingness to give informed consent
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Minimum age
18
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
Patients where placement of a dental prosthesis is contraindicated due to medical/surgical parameters, guided by their managing physician.
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Non-randomised trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Single group
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Other design features
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Phase
Not Applicable
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Type of endpoint/s
Efficacy
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Statistical methods / analysis
All data will be examined for normality. Categorical data will be presented as frequencies and percentages, and Chi Squared tests will be used to compare categorical data. QoL data will be ordinal continuous data and will be examined for normality. For data that is non-parametrically distributed the Spearman’s rho test will be used to test correlations for continuous data. For data that is parametrically distributed, the Pearson’s correlation coefficient (r) will be used to test correlations for continuous data. If conducted, post-hoc tests will be performed using the Bonferroni method to correct for multiple testing.
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Recruitment
Recruitment status
Not yet recruiting
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Date of first participant enrolment
Anticipated
28/11/2022
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Actual
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Date of last participant enrolment
Anticipated
28/11/2026
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Actual
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Date of last data collection
Anticipated
28/11/2027
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Actual
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Sample size
Target
100
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
NSW
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Recruitment hospital [1]
23165
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Chris O’Brien Lifehouse - Camperdown
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Recruitment postcode(s) [1]
38528
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2050 - Camperdown
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Funding & Sponsors
Funding source category [1]
312237
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Hospital
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Name [1]
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Chris O'Brien Lifehouse
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Address [1]
312237
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119-143 Missenden Road Camperdown NSW 2050
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Country [1]
312237
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Australia
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Primary sponsor type
Hospital
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Name
Chris O'Brien Lifehouse
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Address
119-143 Missenden Road Camperdown NSW 2050
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Country
Australia
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Secondary sponsor category [1]
313772
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None
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Name [1]
313772
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N/A
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Address [1]
313772
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N/A
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Country [1]
313772
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Ethics approval
Ethics application status
Submitted, not yet approved
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Ethics committee name [1]
311614
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St Vincent’s Hospital HREC
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Ethics committee address [1]
311614
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Research Office St Vincent’s Hospital Translational Research Centre 97-105 Boundary Street Darlinghurst NSW 2010
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Ethics committee country [1]
311614
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Australia
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Date submitted for ethics approval [1]
311614
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15/09/2022
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Approval date [1]
311614
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Ethics approval number [1]
311614
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Summary
Brief summary
The use of computer aided design and computer aided manufacturing dental prosthodontics have reduced the need for skilled manual work and removed the need for multiple fittings of the prostheses. The use of a framework made of milled material called polyetheretherketone (PEEK) is a common method of reinforcement to increase the strength of the dental bridge/prosthesis and reduce fracture incidence. Polyaryletherketone (PAEK) materials are semi-crystalline aromatic polyetherketones with excellent mechanical properties. Polyetherketone (PEK) and PEEK belong to the group of PAEK, and was developed for the use in 3D printing. Considerable scientific evidence currently exists to support the biocompatibility of PEEK and PEEK has been applied extensively in dental prostheses and a variety of surgical fields. In this study, we investigate the efficacy of using a novel 3D printed PEK substructure to reinforce the standard 3D printed resin bridge/dental prosthesis to minimise the risk of prosthetic fracture.
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Trial website
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
121722
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Prof Jonathan Clark
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Address
121722
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Chris O'Brien Lifehouse 119-143 Missenden Road Camperdown NSW 2050
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Country
121722
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Australia
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Phone
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+61 02 8514 0268
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Fax
121722
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Email
121722
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[email protected]
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Contact person for public queries
Name
121723
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Masako Dunn
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Address
121723
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Chris O'Brien Lifehouse 119-143 Missenden Road Camperdown NSW 2050
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Country
121723
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Australia
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Phone
121723
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+61 02 8514 0411
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Fax
121723
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Email
121723
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[email protected]
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Contact person for scientific queries
Name
121724
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Jonathan Clark
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Address
121724
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Chris O'Brien Lifehouse 119-143 Missenden Road Camperdown NSW 2050
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Country
121724
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Australia
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Phone
121724
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+61 02 8514 0268
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Fax
121724
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Email
121724
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[email protected]
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Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
No
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No/undecided IPD sharing reason/comment
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What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
Documents added manually
No documents have been uploaded by study researchers.
Documents added automatically
No additional documents have been identified.
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