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Can a new appliance rival the face mask for jaw correction?

NCT ID NCT07798791

Disease control Sponsor: Minia 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 01, 2026 · Last updated Sep 02, 2026 · Updated 1 time

Summary

This trial tests two devices, a face mask and the Ertty Gap appliance, in 30 growing patients with a deficient upper jaw (skeletal Class III malocclusion). Each patient receives one of the two devices to pull the upper jaw forward. Researchers use cone beam CT scans and 3D cephalometric tracing before and after treatment to compare how each appliance affects the jaw and teeth.

What this could mean

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

Active substance
Face mask appliance or Ertty Gap appliance, both devices used to protract the maxilla
What this could lead to
If it works, this could point toward a more effective way to correct a deficient upper jaw in growing patients, improving facial profile and bite without surgery.
What could go wrong
This is a small, early-stage trial with only 30 participants, so results may not apply to everyone. The devices may cause discomfort or have limited skeletal effects.

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

30 people

The number who actually took part.

Started

Apr 2023

Finished

Dec 2024

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

8 to 12 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: * skeletal class lll patients with Deficient maxilla Exclusion Criteria: Free from any medical disease No previous orthodontic treatment

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Conditions

The condition(s) this trial relates to.

autosomal dominant prognathism

As listed by the trial registrant

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

Skeletal class III malocclusion

Contacts and locations

Locations

  • Minia University

    Minya, Egypt

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