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Single surgery dental implants: bone ring technique could cut treatment time in half

NCT ID NCT07619846

Disease control Sponsor: Damascus 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Sep 02, 2026 · Updated 2 times

Summary

This study tests a surgical technique called the Bone Ring Technique (BRT) for placing dental implants in people with severe bone loss in the upper jaw. Normally, this requires two separate surgeries over many months, but BRT combines sinus lifting and implant placement into one procedure using a small piece of the patient's own chin bone. Ten adults with very thin jawbone (4 mm or less) will be followed for 6 months to see if the implants stay stable and how much new bone grows.

What this could mean

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

Active substance
Bone Ring Technique (autogenous bone ring from chin)
What this could lead to
If successful, this single-stage procedure could replace the traditional two-stage approach, saving patients months of healing time and reducing the number of surgeries needed.
What could go wrong
This is a very small early study with only 10 participants, so results may not apply to everyone. Risks include sinus membrane damage, implant failure, or complications from harvesting bone from the chin.

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 10 people

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

Started

May 2026

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

18 to 70 years

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: * Need for dental implant in posterior maxilla (premolar/molar). * Residual alveolar bone height ≤4 mm on preoperative CBCT. * Age ≥18 years. * Controlled systemic health. * Able to comply with procedures and follow up. * Good oral hygiene. * Signed written informed consent. Exclusion Criteria: * Uncontrolled systemic disease. * Head/neck radiotherapy. * Bisphosphonate therapy \>3 years. * Autoimmune disease affecting healing. * Pregnancy/lactation. * Active maxillary sinus pathology (sinusitis, cysts, polyps, tumours). * Heavy smoking (\>10 cigarettes/day). * Severe bruxism.

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Conditions

The condition(s) this trial relates to.

bone resorption disease Retrognathia

As listed by the trial registrant

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

Bone resorption Maxillary deficiency Severe alveolar bone atrophy of the posterior maxilla with residual bone height ≤4 MM

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

  • Oral and Maxillofacial Surgery Hospital, Faculty of Dentistry, Damascus University, Mezzeh Highway, Damascus, Syria

    RECRUITING

    Damascus, Governorate, 4671, Syria

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