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Dental showdown: which attachment material stains less?

NCT ID NCT07234149

Knowledge-focused Sponsor: University of Sulaimani 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 compares two types of dental materials used for attachments in clear aligner braces. Twenty adults will have one material on each side of their mouth to see which one keeps teeth color better, is faster to apply, and causes less damage to enamel. The goal is to help dentists choose the best option for clear aligner 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.

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 20 people

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

Started

Oct 2025

Expected to finish

Dec 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

18 to 40 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: * Adults 18-40 years. * patients with class l malocclusion with in which there treatment will be completed in 6 month . * Completed clear aligner therapy and scheduled for attachment debonding at the study clinic. * Permanent teeth with intact buccal enamel at assessment sites. * No caries, restorations, cracks, fluorosis, or hypoplasia on assessed surfaces. * No bleaching within 6 months prior to baseline. * Good general health (ASA I-II) and able to provide written informed consent. * Satisfactory oral hygiene and gingival health (e.g., GI ≤ 1). * Willing and able to complete measurements: spectrophotometric shade (CIE L\*, a\*, b\*), photographs/scans, and VAS for pain/discomfort. * Available for all visits and follow-up assessment. Exclusion Criteria: * Patients younger than 18 or older than 40 years. * Patients presenting with severe or very severe anterior crowding (LII \> 6 mm) or spacing will exclude from the study. Cases with posterior crossbites, open bites, or skeletal discrepancies * Presence of systemic diseases (ASA \> II) that may affect healing, pain perception, or enamel quality. * Teeth with caries, restorations, fractures, enamel cracks, fluorosis, hypoplasia, or discolorations on the buccal surfaces at assessment sites. * Patients who have undergone tooth bleaching within the last 6 months. * History of major dental surgery or trauma in the study region. * Patients with poor oral hygiene or gingival inflammation (GI \> 1). * Pregnant or lactating women. * Patients with allergy or hypersensitivity to composite resins or dental adhesives. * Individuals unable to provide informed consent or not willing to comply with study visits.

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Conditions

The condition(s) this trial relates to.

composite lymphoma

As listed by the trial registrant

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

Clear aligner orthodontic treatment Color stability of enamel Composite attachment

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    2 sites. 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

  • Private Orthodontic Clinic - Kirkuk

    RECRUITING

    Kirkuk, Kirkuk Governorate, Iraq

  • Private Orthodontic Clinic - Kirkuk

    NOT_YET_RECRUITING

    Kirkuk, Province, Iraq