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New flap technique may better seal sinus holes after tooth pulls

NCT ID NCT07630701

Disease control Sponsor: Arab International University Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tested two ways to close a small hole (3-6 mm) that can form between the mouth and sinus after removing upper back teeth. 24 adults were randomly assigned to get either the new inverted flap or the standard flap surgery. The main goal was to see which method more reliably seals the hole, prevents fluid or air from leaking into the nose, and reduces pain and swelling. Patients were followed for 45 days after surgery.

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

24 people

The number who actually took part.

Started

Sep 2024

Finished

Dec 2025

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

24 to 50 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: 1. Presence of an oroantral communication (OAC) with a diameter between 3-7 mm. 2. Communication resulting from extraction of posterior maxillary teeth (first molar, second molar, third molar, or second premolar). 3. Recent perforation occurring no more than 48 hours prior to surgical intervention. Exclusion Criteria: 1. Presence of foreign bodies or residual tooth fragments within the maxillary sinus. 2. Presence of systemic diseases that could impair wound healing (e.g., uncontrolled diabetes, immunosuppression). 3. History of maxillary sinusitis prior to the perforation. 4. Presence of periapical lesions or cysts at the extraction site. 5. Smokers.

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Conditions

The condition(s) this trial relates to.

Oroantral Fistula

As listed by the trial registrant

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

Oroantral communication

Contacts and locations

Locations

  • School of Dental Medicine

    Damascus, Syria

More trials for these conditions

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