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New dental implant study tests if plastic or metal frameworks better preserve jawbone

NCT ID NCT07475507

Disease control Sponsor: Cairo University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing This study
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study compares two types of dental implant frameworks—PEEK (a plastic-like material) and titanium—to see which one causes less bone loss around the implants. Twenty adults with no lower teeth received a fixed set of four implants. Researchers measured bone loss and density at the start and after 3, 6, 9, and 12 months. The goal is to find which material helps keep the jawbone healthier over time.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

20 people

The number who actually took part.

Started

Aug 2024

Expected to finish

Mar 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

45 to 60 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Completely edentulous patients requesting a fixed, implant supported restoration. 2. Patients aged from 45 to 60, able to sign an informed consent will be considered eligible for this trial. 3. Implant sites must allow the placement of four implants. 4. Non- heavy Smokers will be included (smoking up to 10 cigarettes/day) 5. In case of post-extraction sites, they must have been healed for at least 3 months before being treated in the study. 6. Patients with no systemic condition that may interfere with implant placement (e.g., Immunosuppressed or immunocompromised patients, patients under treatment of intravenous amino-bisphosphonates) \- Exclusion Criteria: 1. Patients with poor oral hygiene and motivation. 2. Female patients taking any medical treatment for management of osteoporosis. 3. Drug abusers. 4. Psychiatric problems or unrealistic expectations. 5. Patients with active infection or inflammation in the planned implant area at the time of implant placement. 6. Immuno-compromised patients (Diabetic with HBA1C \> 7 or patients undergoing chemo or radiotherapy or bisphosphonates)

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Conditions

The condition(s) this trial relates to.

Alveolar Bone Loss bone resorption disease

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Bone loss, alveolar Implants, dental Prosthesis Prosthodontics

Contacts and locations

Locations

  • Faculty of Dentistry, Cairo University

    Cairo, Cairo Governorate, 11251, Egypt

More trials for these conditions

Other studies related to the condition(s) this trial covers.