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New digital splint aims to quiet clicking jaws in teens

NCT ID NCT07345104

Disease control Sponsor: Fujian Medical 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested a custom-made digital splint to reposition the jaw in 48 adolescents with painful, clicking jaw joints due to disc displacement. Participants wore the splint 24/7 and had regular check-ups with imaging. The goal was to improve pain, chewing, and quality of life. The splint was provided at no cost, but temporary discomfort was possible.

What this could mean

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

Active substance
custom-fabricated hard acrylic repositioning splint
What this could lead to
If it works, this could offer a more precise, non-invasive way to treat jaw pain and clicking in adolescents with TMJ disc displacement.
What could go wrong
This is a small, completed trial with only 48 participants. The splint may cause temporary discomfort, and symptoms might not improve as expected.

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

48 people

The number who actually took part.

Started

Jun 2025

Finished

Dec 2025

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

Children (under 18), adults (18 to 64) and older adults (65 and over)

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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. Diagnosis of reducible temporomandibular joint (TMJ) disc displacement according to the 2014 revised criteria of the International Association for Dental Research; 2. Bilateral reducible disc displacement confirmed by MRI; 3. Reproducible joint clicking during mandibular opening and closing; 4. Permanent dentition with full cognitive and communicative ability; 5. Signed informed consent with good treatment compliance. Exclusion Criteria: 1. Non-reducible disc displacement, osteoarthrosis, isolated myofascial pain, or other conditions not meeting diagnostic criteria; 2. Receipt of other TMJ disorder treatments within the past 3 months; 3. Presence of systemic diseases, psychiatric disorders, or impaired consciousness.

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Conditions

The condition(s) this trial relates to.

temporomandibular joint dysfunction syndrome

As listed by the trial registrant

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

Temporomandibular joint disc displacement

Contacts and locations

Locations

  • School and Hospital of Stomatology, Fujian Medical University,

    Fuzhou, Fujian, 350000, China

More trials for these conditions

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