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Satisfaction, PatientNCT06700733

PEEK Vs Titanium for All-on-4 Prosthesis

A study testing PEEK prosthesis and Titanium prosthesis in people with Satisfaction, Patient and Bite Force, run by Mansoura University at 1 site in Egypt.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

This crossover clinical study will examine the impact of the framework material of implant-supported prostheses on patient satisfaction and Oral Health-Related Quality of Life (OHRQoL) with mandibular All-on-4 implant distribution. Read more about this study

Who is it for?
Ages 40 to 70 years, men onlyHealthy volunteers can take part
Conditions the study is for
Satisfaction, Patient, Bite Force
What is being tested?
PEEK prosthesis and Titanium prosthesis
Type of treatment
Medical device
Could I receive a placebo?
No, everyone receives an active treatment
How many people
18 participants
Where
1 siteEgypt
Study dates
23 Feb 2022to 12 Mar 2023
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 40 to 70 years
  • Men only
  • Healthy volunteers accepted
  • Adult, Older adult

Who may be able to join

  • The inclusion criteria include
  • healthy male patients free from systemic diseases that may affect bone health, such as uncontrolled diabetes mellitus and osteoporosis.
  • implants placed with the All-on-4 concept in the mandible.

Who cannot join

  • The exclusion criteria: the patients with a history of parafunctional habits (bruxism and clenching), smoking, and alcoholism

Trial locations and contacts

1 site in 1 country.

Egypt1 site
  • Khloud Ezzat

    Al Mansurah, 54790

Other trials in Egypt

About this study

Official title: Polyetheretherketone (PEEK) Versus Titanium Frameworks for All-on-4 Implant Full-arch Prosthesis: Within-patient Evaluation of Patient Satisfaction, Oral Health-related Quality of Life (OHRQoL), Chewing Efficiency and Maximum Bite Force

This crossover clinical study will examine the impact of the framework material of implant-supported prostheses on patient satisfaction and Oral Health-Related Quality of Life (OHRQoL) with mandibular All-on-4 implant distribution. The trial will investigate subject satisfaction, OHRQoL as the primary outcome, and chewing efficiency and maximum bite force as secondary outcomes for different framework materials used in implant-supported screw-retained restorations. The first null hypothesis states no significant difference in patient satisfaction and OHRQoL between the tested prostheses. Additionally, the second null hypothesis states no significant difference in chewing efficiency and maximum bite force between the tested prostheses.

Read the detailed description

Prosthetic steps

  1. For each patient, an abutment-level impression will be made, and the resultant cast will be 3D scanned for CAD/CAM construction of a PEEK superstructure with abutments.
  2. A verification jig will be constructed to ensure the accuracy of the cast.
  3. The final prosthesis will be virtually planned by using the Exo-Cad software.
  4. The final prosthesis will be milled in Duralay polymerized resin disk, and the prosthesis resin pattern will be tried intra-orally for passive fit using a screw test.
  5. For the PP, The PEEK framework will be constructed, the fit of the PEEK framework will be verified intraorally, and the final screw-retained prosthesis will be constructed of PMMA teeth and a visiolign pink composite estimating the gingival tissue.
  6. For the TP, the framework will be milled from Ti blocks according to the virtual design of the final prosthesis framework. PMMA teeth then will be cemented, and the final prosthesis will be screwed.

Evaluation

  1. Patient satisfaction (VAS) Patient satisfaction will be evaluated using a questionnaire based on a visual analog scale (VAS).(21) Patients will be asked to mark their answer (amount of satisfaction) on a 100-mm line (with zero referring to not satisfied at all and 100 referring to completely satisfied). The mean of the answers (length of the lines from zero to the marks in mm) for each question was subjected to statistical analysis.
  2. Oral health-related quality of life (OHIP-14) The oral health impact profile (OHIP-14) questionnaire was used to measure OHRQoL. The full OHIP questionnaire consisted of 49 items covering seven main domains: functional limitation, physical pain, psychological discomfort, physical disability, psychological disability, and social disability. The OHIP-14 questionnaires were translated into Arabic by linguistic professionals who worked in collaboration with the authors to prepare the final version.
  3. Evaluation of masticatory efficiency: Chewing efficiency will be evaluated using the color mixing ability test.
  4. Evaluation of maximum bite force (BF): A digital BF transducer will be used to evaluate maximum BF in Newton (N).
Being tested
PEEK prosthesis, Titanium prosthesis
Keywords
PEEK, Titanium, All-on-4
Medical subject headings
Patient Satisfaction

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • PEEK prosthesisDevice

    Also called Titanium prosthesis

    For the PP, The PEEK framework will be constructed, the fit of the PEEK framework will be verified intraorally, and the final screw-retained prosthesis will be constructed of PMMA teeth and a visiolign pink composite estimating the gingival tissue.

  • Titanium prosthesisDevice

    For the TP, the framework will be milled from Ti blocks according to the virtual design of the final prosthesis framework. PMMA teeth then will be cemented, and the final prosthesis will be screwed.

Study groups in NCT06700733
Study groupRoleWhat they receive
study groupExperimentalThe first 9 patients will receive the PEEK prosthesis (PP) first. After 3 months, chewing efficiency, maximum bite force, patient satisfaction, and OHRQoL will be measured, and PP will be replaced by a Titanium prosthesis (TP). After another 3 months, the measurements will be repeated.
Receives: Device: PEEK prosthesis; Device: Titanium prosthesis
study group 1ExperimentalThe second 9 patients will receive TP first, and after 3 months, measurements will be made. Then, TP was replaced by PP, and measurements will be repeated after another 3 months. This randomization will be made to reduce the effect of prosthesis type and bias
Receives: Device: PEEK prosthesis; Device: Titanium prosthesis

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. patient satisfaction

    Patient satisfaction will be evaluated using a questionnaire based on a visual analog scale

    Measured: 3 month

  2. chewing efficiency

    Chewing efficiency will be evaluated using the color mixing ability test

    Measured: 3 month

Secondary outcomes (2)
  1. Oral health-related quality of life (OHRQoL)

    The oral health impact profile (OHIP-14) questionnaire was used to measure OHRQoL.

    Measured: 3 month

  2. maximum bite force (BF)

    A digital BF transducer will be used to evaluate maximum BF in Newton (N)

    Measured: 3 month

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted22 Nov 2024
  2. Study start23 Feb 2022
  3. Primary completion1 Mar 2023
  4. Study completion12 Mar 2023

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Crossover
Model description
All selected patients will receive maxillary complete dentures and mandibular screw-retained prosthesis either from PEEK or Titanium framework in a crossover design.
Masking
Double blind
Who is masked
Participant, Outcomes assessor
Enrolment
18 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT06700733
Sponsor's protocol ID
A0508024RP
Status last verified
Nov 2024
First submitted
20 Nov 2024
Last updated
7 Jan 2025
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No

Questions about this trial

What is this clinical trial studying?

A study testing PEEK prosthesis and Titanium prosthesis in people with Satisfaction, Patient and Bite Force, run by Mansoura University at 1 site in Egypt.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 3 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 7 Jan 2025. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Egypt. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

patient satisfaction (time frame: 3 month). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 7 Jan 2025; AzTrials last refreshed its copy on 28 Oct 2026.

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