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New dental device aims to correct Children's open bite without surgery

NCT ID NCT07379632

Disease control Sponsor: Cairo 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 study tests two dental appliances—the vertical holding appliance and the Zachrisson transpalatal arch—to correct anterior open bite in children aged 6-12. The goal is to see which device works better for improving bite and jaw alignment. The trial involves 38 children and uses X-rays to measure changes.

What this could mean

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

Active substance
dental appliance (vertical holding appliance or Zachrisson transpalatal arch)
What this could lead to
If successful, this could provide a more effective way to correct open bite in children without surgery.
What could go wrong
This is a small, early-stage trial with only 38 participants, so results may not apply to everyone. The devices may not work for all types of open bite.

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 38 people

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

Started

Jan 2024

Expected to finish

Jun 2026

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

6 to 12 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. Children with the age rage from 6-12 years old. 2. Both male and female. 3. Class I and II skeletal and dental. 4. Skeletal anterior open bite. 5. Maxillary and mandibular incisors and upper first molars erupted. 6. Good oral hygiene. Exclusion Criteria: 1. Systemic disease. 2. Missing teeth. 3. Previous orthodontic treatment. 4. Presence of posterior crossbites.

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As listed by the trial registrant

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

Anterior open bite in mixed dentition

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

  • Faculty of Dentistry Cairo University

    RECRUITING

    Cairo, Egypt