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3D-Printed tooth spacers could beat metal ones for kids

NCT ID NCT07613658

Disease control Sponsor: Murad Alrashidi 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

When a child loses a baby molar early, nearby teeth can shift and block the adult tooth. This study tests three types of space maintainers to see which lasts longest, is most comfortable, and is quickest to make. 360 children aged 5–10 will be randomly assigned to a 3D-printed custom device, a traditional lab-made metal band-and-loop, or a chairside assembled kit. Researchers will track survival, comfort, and dental health 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 custom space maintainer, conventional band-and-loop space maintainer, or chairside denovo space maintainer
What this could lead to
If successful, this could show that 3D-printed or chairside space maintainers are more durable, comfortable, and efficient than traditional lab-made ones, helping dentists choose the best option for children.
What could go wrong
This is a small, early-stage trial (360 children) comparing devices, not testing a new drug or cure. Results may not apply to all children or dental practices, and any device could fail or cause discomfort.

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 360 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

Jul 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

5 to 10 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. Children aged 5 to 10 years 2. Premature unilateral loss of at least one primary first or second molar 3. Radiographically confirmed developing permanent successor at Nolla developmental stage 4 to 7 4. Parent or legal guardian able and willing to provide written informed consent, and child able to provide age-appropriate assent Exclusion Criteria: 1. Systemic disease affecting bone metabolism or tooth development 2. Clinically significant mesiodistal space loss at screening, defined as greater than 3 mm 3. Poor oral hygiene precluding band placement, defined as a full-mouth plaque score greater than 50% 4. Known allergy or hypersensitivity to stainless steel or resin components 5. Current participation in another interventional clinical trial

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Conditions

The condition(s) this trial relates to.

Tooth Loss

As listed by the trial registrant

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

Space maintenance Tooth loss / rehabilitation

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

  • Qassim University

    Buraidah, Al-Qassim Region, 52571, Saudi Arabia

More trials for these conditions

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