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Kids' lost front teeth replaced by their own premolars in new study

NCT ID NCT07314580

Disease control Sponsor: University of Barcelona 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at whether moving a premolar (a back tooth) to replace a lost front tooth works well in children aged 7 to 15. Researchers will track 50 patients for up to 5 years, checking tooth survival, healing, and how satisfied the kids are. The goal is to see if this natural tooth transplant is a good option for young people with tooth loss from injury or decay.

What this could mean

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

Active substance
Premolar autotransplantation (a surgical procedure to move a premolar tooth to replace a missing front tooth)
What this could lead to
If successful, this could confirm that moving a premolar is a reliable, long-lasting way to replace a lost front tooth in growing children, avoiding bridges or implants.
What could go wrong
This is an observational study, not a controlled trial, so it can't prove the procedure is better than other options. Results depend on careful patient selection and surgical skill, and complications like root resorption or infection are possible.

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 50 people

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

Started

Dec 2019

Expected to finish

Dec 2029

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

Young patients aged 7 to 15 years requiring replacement of a maxillary anterior tooth with a premolar autotransplantation at Dental Esthetic BCN, an accredited CEIm-UB clinical center.

Ages

7 to 15 years

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: * Patients aged 7 to 15 years. * ASA I classification. * Loss or indication for extraction of a maxillary anterior tooth (teeth 12, 11, 21, or 22) due to trauma, resorption, or restorative reasons. * Availability of a donor first or second premolar with root development between one-half and complete root length. * Ability to complete at least 2 years of follow-up. * Parent/guardian consent and minor assent obtained for prospective cases. Exclusion Criteria: * Patients older than 15 years. * Severe systemic disease. * Inability or unwillingness to attend scheduled follow-up visits. * Lack of a suitable donor premolar.

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Conditions

The condition(s) this trial relates to.

Fractures, Avulsion Tooth Injuries Tooth Loss

As listed by the trial registrant

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

Tooth injury Tooth loss

How to take part

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

  1. The study's own enquiry address

    This study publishes an address for enquiries. See it below .

  2. The places running it

    1 site. The list below names each one and where it is.

  3. 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 ↗

  4. 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

  • Dental Esthetic BCN

    RECRUITING

    Barcelona, Barcelons, 08034, Spain

    Contact Email: •••••@•••••

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