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Will your invisible aligner attachments stay invisible? a new trial puts two materials to the test

NCT ID NCT07806214

Knowledge-focused Sponsor: Marmara 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 08, 2026 · Last updated Sep 09, 2026 · Updated 1 time

Summary

This trial asks whether two composite materials used for clear aligner attachments, GC Aligner Connect and VOCO AlignerFlow LC, change color over time or fluoresce differently under ultraviolet light. Researchers will bond attachments to different teeth in each participant's mouth, then take photos under UV light and intraoral scans right after bonding and every two months for six months. The study includes 37 people receiving Invisalign treatment for mild to moderate crowding. The goal is to see if one material stays more discreet and color-stable than the other.

What this could mean

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

Active substance
Two composite resins used for clear aligner attachments: GC Aligner Connect and VOCO AlignerFlow LC
What this could lead to
If one material proves more color-stable and less fluorescent, it could guide orthodontists in choosing attachments that stay discreet and look better under UV light, such as in nightlife settings.
What could go wrong
This is a small, early study with 37 participants, so results may not apply to everyone. Color changes and fluorescence are measured in a lab-like way, which may not reflect real-world wear and tear.

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

37 people

The number who actually took part.

Started

Apr 2025

Finished

Jul 2026

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

14 years and older

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: * Receiving Invisalign treatment at the Clinic of the Department of Orthodontics, Faculty of Dentistry, Marmara University * Mild to moderate crowding * Exhibiting good oral hygiene * No active dental caries * Voluntarily agreeing to participate in the study and signing the written informed consent form * Having no history of any syndrome, systemic disease, or allergy Exclusion Criteria: * Being pregnant or lactating * Presenting with advanced periodontal disease of a severity that could affect orthodontic treatment * Having prosthetic restorations within the oral cavity * Presenting with white spot lesions prior to orthodontic treatment

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As listed by the trial registrant

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

Clear aligner therapy Composite resins

Contacts and locations

Locations

  • Marmara University Faculty of Dentistry Department of Orthodontics

    Istanbul, 34854, Turkey (Türkiye)

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