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Dental implant study reveals key factor in Long-Term bone loss

NCT ID NCT07550491

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looked at 142 people who had a sinus lift procedure using cow bone mineral before getting dental implants. Researchers measured how much bone was left around the implants years later, and checked if the original jawbone height, implant type, smoking, or diabetes played a role. The goal was to better understand what affects long-term implant success.

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 predict which patients are at higher risk for bone loss around implants after sinus lifts, improving treatment planning.
What could go wrong
This is a retrospective study, not a controlled trial, so it can show links but not prove cause and effect. Results may not apply to all patients or techniques.

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

142 people

The number who actually took part.

Started

Jan 2026

Finished

Apr 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 from the Faculty of Dental Medicine at Saint Joseph University of Beirut who underwent a lateral maxillary sinus floor augmentation

Ages

18 years and older

Sex

Anyone

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: * All patients who underwent a lateral maxillary sinus floor augmentation using deproteinated bovine bone matrix (DBBM) at the faculty before 2022. * Patients with pre-operative CBCT. * Patients with no visible sinus infection in the pre-operative CBCT. Exclusion Criteria: * Patients who do not have a pre-operative CBCT. * Patients who do not have a post-operative orthogonal periapical radiograph that dates at least 3 years after implant placement. * Presence of inflammatory lesions at the surgical site (eg, sinusitis as assessed by CBCT). * Cases with sinus perforation. * History of radiation therapy in the head/neck region. * Use of bisphosphonates

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Conditions

The condition(s) this trial relates to.

Alveolar Bone Loss diabetes mellitus Smoking

As listed by the trial registrant

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

Diabetes Implant type Marginal bone loss Residual bone height Smoking

Contacts and locations

Locations

  • Saint Joseph University of Beirut

    Beirut, Lebanon

More trials for these conditions

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