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New study tests gentler sinus lift techniques for dental implants

NCT ID NCT05495490

Disease control Sponsor: Ain Shams 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026

Summary

This trial compares two ways to lift the sinus floor before placing dental implants in the upper jaw. One method uses special drills, the other uses a tool called an osteotome. The goal is to see which gives more bone gain and better implant stability. Twenty adults with missing upper back teeth will take part.

What this could mean

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

Active substance
Procedure: Osseodensification or osteotome internal sinus lift
What this could lead to
If successful, this could show which sinus lift technique is safer and more effective for placing dental implants in the upper jaw.
What could go wrong
This is a small, early-stage trial with only 20 participants, so results may not apply to everyone. Both procedures carry risks like membrane perforation or implant instability.

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 20 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

Apr 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 40 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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\. Patient partially edentulous with maxillary posterior edentulous ridge after extraction of more than 4 months. 2\. Both sexes will be selected males and females. 3\. Adult patients aged between 18 and 40 years of age. 4\. Good general health (American Society of Anesthesiology Physical Status Ⅰ-Ⅱ). 5\. Initial residual alveolar ridge height ranging between 4 to 6 mm according to preoperative CBCT. 6\. No previous surgery or radiation treatment on the maxillary sinus. Exclusion Criteria: * 1\. Smokers. 2\. Pregnant or lactating females. 3\. Psychiatric disorders. 4\. Uncontrolled systemic disease. 5\. Hematologic diseases and coagulation disorders. 6\. Chemotherapy or radiotherapy of the head and neck area, and immunocompromised status. 7\. Medical conditions affecting bone metabolism and ongoing treatment with bisphosphonates drugs or systemic steroids. 8\. Presence of acute or chronic sinus pathoses or sinus membrane perforation.

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As listed by the trial registrant

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

Maxillary sinus floor augmentation

How to take part

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

  1. The places running it

    2 sites. 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- Ain Shams University

    RECRUITING

    Cairo, 11566, Egypt

  • Faculty of Dentistry- Assiut University

    RECRUITING

    Asyut, 71517, Egypt

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