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New bone shell technique could strengthen zygomatic implants

NCT ID NCT07394179

Disease control Sponsor: Fayoum 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 This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study compares two methods to improve bone and gum health around zygomatic implants in patients with severe upper jaw bone loss. One group gets a bone lamina shell with bone granules, while the other uses a buccal fat pad. The goal is to see which approach gives better bone gain and gum contour. Twenty-four adults will take part in this randomized trial.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
bone lamina shell and xenogenic particulate bone graft
What this could lead to
If successful, this could improve bone and gum stability around zygomatic implants, reducing complications and enhancing long-term implant success.
What could go wrong
This is a small, early-stage trial with only 24 participants, so results may not apply broadly. Surgical risks like infection or graft failure are possible.

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

About 24 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Feb 2026

An estimate. Start dates often move.

Expected to finish

Jan 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

21 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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 -Patients older than 21 years. 2. Patients with severe alveolar bone atrophy in posterior maxilla (residual alveolar crest less than 5mm in height, in the area immediately distal to the canine pillar) 3. Patients with at least more than half of the zygomatic implant platform diameter inside the alveolar bone crest. Exclusion Criteria: 1 - Patients with systemic conditions contra-indicating general anesthesia. 2. Patients with conditions contraindicating implant placement (e.g.: radiation to the head and neck, intra-venous bisphosphonates, uncontrolled Diabetes mellitus). 3\. Patients with acute maxillary sinus infection or maxillary sinus cyst. 4. Restricted mouth opening (less than 3cm inter-arch distance anteriorly).

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As listed by the trial registrant

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

Zygomatic implants

How to take part

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  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

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Contacts and locations

Locations

  • Fayoum University

    Al Fayyum, 63514, Egypt

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