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Sandblasting teeth may keep braces wires from popping off

NCT ID NCT03954145

Knowledge-focused Sponsor: University Hospital, Strasbourg, France 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 30, 2026 · Updated 2 times

Summary

This study looked at 88 people aged 11 or older who finished braces and got a permanent wire glued behind their lower front teeth to keep them straight. Researchers compared two ways of preparing the teeth before gluing: sandblasting the enamel versus cleaning with pumice. The goal was to see which method leads to fewer wires coming loose over 18 months, which could reduce emergency visits and unwanted tooth movement.

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

88 people

The number who actually took part.

Started

Oct 2019

Finished

May 2021

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

11 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: * Minimum of 11 years of age * At completion of fixed orthodontic therapy * Presence of all 6 mandibular canines and incisors Exclusion Criteria: * Active decay * Presence of dental restorations * Tooth fracture * Periodontal disease * Structural anomalies affecting the lingual side of the mandibular incisors and canines * Cleft lip and palate * Cranio-facial syndrome * Inability to obtain the patient informed consent

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As listed by the trial registrant

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

Detachment of glued mandibular post-orthodontic restraints

Contacts and locations

Locations

  • Pôle de Médecine et Chirurgie Bucco-Dentaires

    Strasbourg, Bas Rhin, 67000, France