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Does the order of bone grafting change how well dental implants take?

NCT ID NCT07816107

Symptom relief 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 study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 11, 2026 · Last updated Sep 11, 2026

Summary

Researchers compare two ways of sequencing bone grafting during sinus lift and dental implant placement in the upper jaw. One sequence places the implant before packing bone graft; the other packs the graft first, then drills for the implant. Both use a customized surgical guide in adults with about 5 mm of vertical bone. The trial measures bone density, bone height gained, bone volume, and implant stability.

What this could mean

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

Active substance
Two surgical sequences for sinus lift and dental implant placement, both using a customized surgical guide
What this could lead to
If one sequence builds denser, more stable bone, it could give dentists a clearer standard for placing implants in the upper jaw where bone is thin.
What could go wrong
The trial is small, with 16 participants, and measures bone changes over a limited follow-up. Differences between the two sequences may turn out to be minor or not hold up in larger groups.

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 16 people

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

Started

Jan 2025

Expected to finish

Dec 2026

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

18 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: * Age more than 18 years. * Both sexes. * Patients eligible for maxillary sinus elevation, implant, and bone graft procedures. * Adequate general health for dental interventions. * Vertical bone measurement of 5 mm or slightly more. Exclusion Criteria: * Systemic conditions affecting implant success. * Patients with vertical bone measurement less than 5 mm. * Previous sinus surgery or dental implant failure. * Medication that can impair or interfere with normal bone metabolism. * History of head and neck radiotherapy. * Pregnancy.

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Conditions

The condition(s) this trial relates to.

anodontia

As listed by the trial registrant

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

Missing tooth/teeth Vertical bone defects

How to take part

Only the study team decides who joins. These are the ways to reach them.

  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

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Faculty of Dentistry, Cairo University

    RECRUITING

    Cairo, Egypt

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