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3D-Printed retainers could be a Game-Changer for orthodontic stability

NCT ID NCT07659041

Disease control Sponsor: National University of Malaysia 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 compares two types of retainers used after orthodontic treatment that widens the upper jaw: a traditional Hawley retainer and a newer 3D-printed retainer. The goal is to see which one better prevents teeth from shifting back, is more comfortable for patients, and costs less. The trial involves 28 people aged 16 and older who have had their upper arch expanded. Researchers will measure changes in tooth width and ask participants about their experience over 12 months.

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 retainer (Nextdent Orthoflex resin) and Hawley retainer
What this could lead to
If 3D-printed retainers work as well or better than Hawley retainers, they could offer a more comfortable, cheaper, and more durable option for keeping teeth aligned after orthodontic treatment.
What could go wrong
This is a small, early-stage trial with only 28 participants, so results may not apply to everyone. 3D-printed retainers are new, and long-term performance is not yet proven.

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 28 people

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

Expected to start

Jun 2026

An estimate. Start dates often move.

Expected to finish

Dec 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

16 years and older

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: * Patients aged 16 years or older at the time of debonding * Treatment plan of extraction or non-extraction followed by straight wire appliances in the upper arch only or both arches * Undergone expansion treatment in the upper arch causing an arch width increase of 3-10mm, either using a Quadhelix, expansion with archwires, or URA with midline screw * Had pretreatment dental cast * Had no chronic medical condition. Exclusion Criteria: * Cleft lip and palate * Chronic medical conditions * Broken teeth or bubbles on study model at site of measurement.

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As listed by the trial registrant

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

Orthodontic relapse Retention in orthodontic

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    3 sites. 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

  • National University Of Malaysia

    Kuala Lumpur, Kuala Lumpur, 50300, Malaysia

  • University Malaya

    Kuala Lumpur, Kuala Lumpur, 50603, Malaysia

  • University Teknologi Mara Selangor branch

    Sungai Buloh, Selangor, 47000, Malaysia

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