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Your wisdom teeth could help science: study seeks tissue samples

NCT ID NCT01805869

Knowledge-focused Sponsor: National Institute of Dental and Craniofacial Research (NIDCR) 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 17, 2026 · Updated 16 times

Summary

This study collects wisdom teeth and surrounding tissue that are normally thrown away after oral surgery. Researchers will use these samples to learn more about oral health and disease. Up to 3,000 people aged 16 to 50 who need their wisdom teeth removed can join. The study also helps train dentists at the National Institutes of Health.

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 3,000 people

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

Started

Jun 2013

Lead sponsor

A government research agency

The lead sponsor is the US National Institutes of Health.

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 protocol will enroll a convenience sample of 10,000 subjects ages \>16-50 in need of clinically indicated extraction of third molars.

Ages

16 to 50 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: * Ages greater than or equal to 16-50 years * Clinical evidence of need for third molar extraction as determined by medical, dental, and radiographic evaluation by a NIDCR oral surgeon * Willing to allow for the collection of extracted waste tissue (e.g., teeth, alveolar bone, excessive gingival tissue) to be used for research * In good general health as defined by the American Society of Anesthesiologists (ASA) status I or II * Able to understand and sign an informed consent EXCLUSION CRITERIA: * Pregnant or nursing women * Unable to have third molar extraction as determined by NIDCR surgeon/dentist, due to medical conditions (beyond ASA I or II), complexity of the surgery, or history that precludes safe outpatient conscious sedation. These clinical decisions will be based on the risks and benefits related to the surgery.

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Conditions

The condition(s) this trial relates to.

disease impacted teeth, multiple tooth disorder Tooth, Impacted

As listed by the trial registrant

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

Diseases Stomatognatic TOOTH Tooth diseases Tooth impaction

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

  • National Institutes of Health Clinical Center

    RECRUITING

    Bethesda, Maryland, 20892, United States

More trials for these conditions

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