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Can 3D printed braces straighten jaws as well as traditional ones?

NCT ID NCT07792525

Disease control Sponsor: Al-Azhar 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 28, 2026 · Last updated Sep 01, 2026 · Updated 2 times

Summary

This trial tests whether 3D printed twin block appliances work as well as conventional ones for correcting Class II malocclusion, a condition where the lower jaw is set back. Researchers will enroll 20 growing patients aged 9 to 16 and compare dental and skeletal changes using X-ray measurements before and after treatment. The goal is to see if the modern manufacturing method can match the traditional approach in guiding jaw growth.

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 orthodontic appliance, either conventionally made or 3D printed
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 teens.
What could go wrong
This is a small, early comparative study with only 20 participants, so results may not apply to everyone. 3D printed appliances might not fit as well or be as durable as traditional ones.

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.

Participants

20 people

The number who actually took part.

Started

Apr 2024

Finished

Apr 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.

Who is studied

prospective, blind, clinical, and radiographic trial

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 range from 9 to 16 years old. 2. Class II malocclusion with retruded mandible. 3. Increased overjet. 4. Horizontal to average growth pattern determined by cephalometric radiograph. 5. Positive pretreatment VTO detected by clinical examination. . Exclusion Criteria: 1. Severe proclination of anterior teeth. 2. Severe crowding of anterior teeth. 3. Systemic disease that affects bone and general growth 4. History of previous orthodontic treatment. 5. Patient refuses a removable appliance.

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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 Growth modification of class II malocclusion

Contacts and locations

Locations

  • Al-Azhar university

    Asyut, 0000, Egypt

More trials for these conditions

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