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Researchers test which Tooth-Colored bumps last longest during clear aligner treatment

NCT ID NCT07261735

Knowledge-focused Sponsor: Saglik Bilimleri Universitesi Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

This study watches how small tooth-colored bumps (attachments) used with clear aligners wear down over six months. Twenty-four people getting clear aligners will have attachments made from four different materials. The goal is to find which material lasts longest and works best, helping improve future orthodontic treatment.

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.

Participants

About 24 people

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

Started

Aug 2025

Expected to finish

Aug 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.

Who is studied

The study population consists of individuals with fully erupted permanent dentition who are beginning clear aligner treatment at the Gülhane Faculty of Dentistry. Participants are enrolled prospectively after providing written informed consent for participation and for additional follow-up intraoral scans used for attachment wear analysis. Eligible patients present with mild-to-moderate crowding or spacing, show adequate oral hygiene and periodontal health, and have no prosthetic restorations or history of fixed orthodontic treatment. Patients with bruxism, high caries activity, generalized periodontal disease, poor cooperation, or buccal-surface restorations are excluded. As part of routine orthodontic care, all participants receive standardized oral hygiene instructions, including a daily tooth-brushing protocol and recommendations for toothbrush and toothpaste selection. No invasive or non-routine procedures are performed.

Ages

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

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: * Fully erupted permanent dentition. * No existing prosthetic restorations. * Mild-to-moderate dental crowding or spacing (2-6 mm). * Patients who are scheduled to undergo clear aligner therapy at the Department of Orthodontics, Gülhane Faculty of Dentistry, between 01.08.2025 and 01.08.2026. * Patients who agree to participate and provide informed consent. Exclusion Criteria: * History of previous fixed orthodontic treatment. * Patients with poor predicted compliance or low cooperation. * Presence of severe or generalized periodontal disease. * High caries incidence or untreated caries. * Poor oral hygiene * Habitual consumption of hard foods. * Bruxism * Congenitally missing permanent teeth. * Dental developmental anomalies. * Teeth with existing composite resin restorations or ceramic crowns on buccal surfaces (which may interfere with attachment bonding or wear analysis)

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As listed by the trial registrant

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

Aligner attachment wear Clear aligner therapy Clear aligner therapy - attachment wear and bonding performance

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

  • University of Health Sciences, Gülhane Faculty of Dental Medicine

    RECRUITING

    Ankara, Turkey (Türkiye)

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