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Which Mini-Implant size works best? new study aims to find out

NCT ID NCT07337538

Knowledge-focused Sponsor: University of Baghdad 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Sep 17, 2026 · Updated 2 times

Summary

This study tests two different diameters (1.6mm and 2mm) of mini-implants placed in the upper jaw to support orthodontic tooth movement. Twenty people receiving braces will get one size on each side of their mouth. Researchers will measure how stable the implants are, how much pain they cause, and how often they fail. The goal is to find out which size works better for this specific jaw area.

What this could mean

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

Active substance
mini-implants (1.6mm and 2mm diameters)
What this could lead to
If successful, this could help orthodontists choose the best mini-implant size for better stability and less pain during treatment.
What could go wrong
This is a small, early-stage study with only 20 participants, so results may not apply to everyone. The implants could still loosen or cause discomfort.

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

Jan 2026

Expected to finish

Nov 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

15 to 38 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: 1. Individuals aged between 15 and 38 years. 2. Patients currently undergoing orthodontic treatment with fixed appliances who require mini-implant placement in the upper buccal posterior region (IZC) for full-arch distalization or en-masse retraction. 3. Patients willing and able to adhere to the study protocol. 4. Recommended for the use of bilateral mini-implants. Exclusion Criteria: * Syndromic conditions, facial trauma, or previous bone-related surgery.

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Conditions

The condition(s) this trial relates to.

Tietz syndrome

As listed by the trial registrant

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

Anchorage devices stability Implant stability

Contacts and locations

Locations

  • Baghdad university

    Baghdad, Baghdad Governorate, 10047, Iraq

More trials for these conditions

Other studies related to the condition(s) this trial covers.