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3D-Printed dental expanders could offer a better fit for teens

NCT ID NCT07411092

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 study tests whether a 3D-printed dental expander works better than a traditional one for widening the upper jaw in teenagers aged 12 to 17. Twenty-two teens with a narrow upper jaw will receive either a custom 3D-printed or a conventionally made expander. The goal is to see which device opens the jaw more precisely and causes less unwanted tooth movement.

What this could mean

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

Active substance
3D-printed Hyrax expander and conventional Hyrax expander (dental devices)
What this could lead to
If it works, this could show that 3D-printed expanders are more precise and comfortable for correcting a narrow upper jaw in teens.
What could go wrong
This is a small, early-phase trial with only 22 participants, so results may not apply to everyone. The devices are for temporary use and carry typical orthodontic risks like discomfort or tooth tipping.

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 22 people

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

Started

Aug 2025

Expected to finish

Jan 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

12 to 17 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. Patients aged between 12 to 17 years. 2. Skeletal age ranges from CVMS 3 to CVMS 5. 3. Skeletal maxillary transverse deficiency with/without crossbite. 4. Cooperative and able to attend follow-up visits. Exclusion Criteria: 1. Previous orthodontic treatment. 2. Craniofacial syndromes, or cleft lip and/or palate. 3. Patients with vertical growth pattern. 4. Very bad oral hygiene and active periodontal disease. 5. Vulnerable groups such as individuals with cognitive impairments or intellectual disabilities and individuals with severe mental health disorders.

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As listed by the trial registrant

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

Maxillary expansion Transverse maxillary deficiency

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, Ain Shams univeristy

    RECRUITING

    Cairo, Cairo Governorate, 11566, Egypt

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