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New face mask technique may fix underbite without surgery

NCT ID NCT07279662

Disease control Sponsor: Murat Kaan Erdem 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tested two ways to pull the upper jaw forward in 40 children aged 7-13 with underbite. One method used a traditional face mask attached to teeth, the other used tiny screws placed in the cheekbone. Both followed a special expansion protocol. The goal was to see which approach moves the upper jaw more effectively with fewer unwanted tooth movements.

What this could mean

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

Active substance
skeletal anchorage (miniscrews) and conventional tooth-borne face mask
What this could lead to
If skeletal anchorage proves superior, it could become a preferred method for correcting underbite in growing children, reducing the need for jaw surgery later.
What could go wrong
This is a small, completed study with only 40 participants. Results may not apply to all cases, and the procedure involves minor surgery to place miniscrews.

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

40 people

The number who actually took part.

Started

Jan 2023

Finished

Oct 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

7 to 13 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: * Age between 7 and 13 years. * Skeletal Class III malocclusion with maxillary retrognathia (ANB \< 0°). * Normal or increased vertical growth pattern (SN-GoGn \< 39°). * Retrusive nasomaxillary region and/or upper lip. * Good oral hygiene. * No contraindication for orthodontic treatment. * Written informed consent obtained from parents/guardians. Exclusion Criteria: * Systemic diseases or conditions affecting bone metabolism. * Craniofacial syndromes or congenital anomalies. * Functional Class III due to habitual occlusal interference. * Previous orthodontic or orthopedic treatment. * Severe mandibular prognathism without maxillary involvement.

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Conditions

The condition(s) this trial relates to.

autosomal dominant prognathism Binder syndrome Retrognathia

As listed by the trial registrant

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

Class III malocclusion Maxillary deficiency Skeletal malocclusion

Contacts and locations

Locations

  • Ankara University Faculty of Dentistry

    Ankara, Yenimahalle, 06590, Turkey (Türkiye)

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