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12-year study reveals how bone graft material changes after sinus lift surgery

NCT ID NCT07635472

Knowledge-focused Sponsor: Saint-Joseph 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
Running, but no longer taking on new participants.
Completed This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looks at how a bone graft made from cow bone (deproteinized bovine bone mineral) changes in volume over up to 12 years after a sinus lift procedure. Researchers will use 3D scans to measure any shrinkage or stability of the graft. The goal is to understand long-term outcomes for people who need dental implants in the upper jaw.

What this could mean

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

Active substance
deproteinized bovine bone mineral (DBBM)
What this could lead to
If successful, this could help dentists choose more predictable graft materials for sinus lifts, improving long-term implant success.
What could go wrong
This is a small, retrospective study (60 people) that only looks at one type of graft. Results may not apply to all patients or materials.

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.

Participants

60 people

The number who actually took part.

Started

Jun 2025

Finished

May 2026

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.

Who is studied

Patients who underwent lateral external sinus lift at the Faculty of dentistry at Saint Joseph University of Beirut

Ages

Children (under 18), adults (18 to 64) and older adults (65 and over)

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: * Patients who underwent lateral sinus floor elevation with natural bovine bone as filling material after 2011 at the Faculty of Dentistry, Saint Joseph University of Beirut. * At least 18 years old at baseline * Systemically healthy * Patients who sign a new informed consent. * Smokers (≥ 10 cigarettes/ day) and non-smokers (\< 10 cigarettes/ day) Exclusion Criteria: * Patients who did not take a CBCT within 1 year after the initial surgery. * Presence of inflammatory lesions at the surgical site (eg, sinusitis as assessed by CBCT). * History of radiation therapy in the head/neck region. * Use of bisphosphonates.

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Conditions

The condition(s) this trial relates to.

Bone Diseases, Metabolic

As listed by the trial registrant

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

Deproteinized bovine bone mineral graft dimensional changes

Contacts and locations

Locations

  • Saint Joseph University - Faculty of Dental Medicine

    Beirut, Lebanon