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10-Year study reveals why some young adults lose teeth to gum disease

NCT ID NCT04926519

Knowledge-focused Sponsor: Folktandvården Stockholms län AB 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This completed study followed 471 young adults (under 36) with periodontitis for 10 years to see how their gum disease progressed. Researchers looked at factors like disease stage, treatment adherence, and biological markers to understand why some patients got worse or stopped treatment. The goal is to improve long-term care and prevent tooth loss in young people.

What this could mean

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

What this could lead to
If successful, this could help dentists identify which young patients are at higher risk for worsening gum disease and tailor follow-up care to prevent tooth loss.
What could go wrong
This is an observational study, not a treatment trial. It cannot prove that any specific intervention works, and results may not apply to all populations.

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

471 people

The number who actually took part.

Started

Oct 2018

Finished

Aug 2020

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

All patients at age \< 36 years who were examined by a periodontist at two specialist clinics in Stockholm during the years 2003-2009 (baseline) and got the diagnoses aggressive or chronic periodontitis were included in the project. Study group: Patients with diagnosis aggressive periodontitis at baseline Control group: Patients with diagnosis chronic periodontitis at baseline

Ages

Up to 35 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: • All patients with diagnoses aggressive or chronic periodontitis Exclusion Criteria: * Not living in Stockholm County * Mental illness.

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Conditions

The condition(s) this trial relates to.

periodontitis

As listed by the trial registrant

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

Periodontitis

Contacts and locations

Locations

  • Folktandvården Eastmaninstitutet

    Stockholm, 102 31, Sweden

More trials for these conditions

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