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Can 3D-Printed braces reshape a Teen's smile as well as traditional ones?

NCT ID NCT07795138

Disease control Sponsor: Al-Azhar 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 31, 2026 · Last updated Sep 02, 2026 · Updated 2 times

Summary

This trial tests whether a 3D-printed version of the Twin Block, a dental device used to correct an overbite, works as well as the conventional one. Researchers will enroll 20 young people aged 9 to 16 with Class II malocclusion, a condition where the lower jaw is set back. Participants will receive either the 3D-printed or the conventional Twin Block, and the study will measure changes in facial soft tissues using X-rays. The goal is to see if the newer manufacturing method can achieve similar jaw alignment results.

What this could mean

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

Active substance
Twin Block appliance, a functional dental device, delivered as either a conventional or 3D-printed version
What this could lead to
If 3D-printed Twin Blocks work as well as conventional ones, they could offer a faster, more comfortable, and more precise way to correct jaw alignment in growing teens.
What could go wrong
This is a small early-stage trial with only 20 participants, so results may not apply to everyone. The 3D-printed device might not perform as well as the traditional one, and any dental appliance carries risks of discomfort or irritation.

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

Phase 1

The first testing in people. Mainly checks safety and dose, usually in a small group.

Participants

20 people

The number who actually took part.

Started

Jan 2024

Finished

Mar 2026

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

9 to 16 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. Young, growing age 2. Class II malocclusion 3. Increased overjet. Exclusion Criteria: 1. Severe proclination of anterior teeth. 2. Severe crowding of anterior teeth. 3. Systemic disease affecting bone and growth.

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Conditions

The condition(s) this trial relates to.

Overbite

As listed by the trial registrant

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

Class II malocclusion

Contacts and locations

Locations

  • Faculty of Dental Medicine,Al-Azhar University

    Asyut, 0000, Egypt

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