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Braces-Free jaw widening: new study tests clear aligners in kids

NCT ID NCT07586163

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

Summary

This study compares different clear aligner systems to widen the upper jaw in children aged 7-10 with a narrow palate. It includes 75 participants split into five groups, testing in-house aligners and Invisalign devices against an untreated control group. The goal is to see which method works best for improving dental and skeletal width, with follow-up on side effects like white spots on teeth.

What this could mean

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

Active substance
Clear aligner systems (Invisalign Palatal Expander and in-house aligners)
What this could lead to
If successful, this could show that custom-made clear aligners are effective for widening the upper jaw in children, offering a less invasive alternative to traditional expanders.
What could go wrong
This is a small early-stage trial with only 75 participants, so results may not apply to all children. The study is not yet recruiting, and outcomes are focused on dental measurements rather than long-term health benefits.

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

75 people

The number who actually took part.

Started

May 2025

Expected to finish

Jul 2026

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

7 to 10 years

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: * Patients in the early mixed dentition period; * Maxillary intermolar width ≤ 31 mm; * Presence of at least 5 mm transverse discrepancy between the maxillary and mandibular arches; * Normal vertical growth pattern (Sn-GoGn: 32 ± 6°); * Eruption of permanent first molars and central incisors; * Presence of at least two primary posterior teeth in each quadrant; * Posterior teeth with a clinical crown height of at least 4 mm; * Patients aged between 7 and 10 years; * Absence of any craniofacial anomalies; * Good oral hygiene status; Healthy periodontal tissues. Exclusion Criteria: * Patients with the loss of more than one primary tooth * Presence of stainless steel crowns on the maxillary permanent first molars, primary first molars, or primary second molars * Patients with systemic or syndromic conditions * Presence of palatal exostoses or morphological anomalies of the palatal surface * Presence of active temporomandibular joint disorders * Children with poor compliance * History of allergy to any dental material * Patients with multiple and/or advanced caries, tooth agenesis, or supernumerary teeth * Patients with skeletal asymmetry

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As listed by the trial registrant

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

Maxillary transverse deficiency

Contacts and locations

Locations

  • Erciyes University Faculty of Dentistry

    Talas, Kayseri, 38039, Turkey (Türkiye)

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