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Can 3D-Printed retainers outlast the Old-School wire?

NCT ID NCT07730476

Disease control Sponsor: Minia 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 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 28, 2026 · Last updated Jul 31, 2026 · Updated 2 times

Summary

This trial tests whether 3D-printed metal retainers (made from cobalt-chromium or titanium) work better than the standard twisted-wire retainer at keeping teeth from shifting after braces. Thirty-six adults who have just finished orthodontic treatment will receive one of the three retainer types and be followed for a year. Researchers will measure how well the teeth stay in place, how often the retainer breaks, and how it affects gum health.

What this could mean

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

Active substance
fixed dental retainers (conventional multistranded stainless steel, 3D-printed cobalt-chromium, and 3D-printed titanium)
What this could lead to
If 3D-printed retainers prove more durable or comfortable, they could become a new standard option for keeping teeth aligned after braces.
What could go wrong
This is a small, early-stage trial with only 36 participants, so results may not apply to everyone. 3D-printed retainers might break more often or cause more plaque buildup than conventional 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.

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 36 people

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

Expected to start

Aug 2026

An estimate. Start dates often move.

Expected to finish

Sep 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

21 to 35 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: * Age range 21-35 years old after finishing orthodontic treatment. * Presence of all maxillary and mandibular anterior teeth with normal shape and size. * Completion of orthodontic treatment with full fixed appliances. Exclusion Criteria: * Patients with cleft lip and/or palate or any other craniofacial syndrome * Patients with compromised oral hygiene or periodontal disease * Patients who had orthognathic surgery * Lingual appliance treatments * Enamel hypoplasia, fluorosis, active caries, restorations, or fractures in the anterior teeth * Patients who had separate arch debondings with a difference of more than 2 months in-between jaws

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Conditions

The condition(s) this trial relates to.

Malocclusion malocclusion due to protuberant upper front teeth

As listed by the trial registrant

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

Malocclusion Orthodontic relapse

How to take part

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

  1. 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 ↗

  2. 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.

More trials for these conditions

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