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Dental implants under the microscope: what happens years later?

NCT ID NCT02671812

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times

Summary

This study followed 163 people who got dental implants between 1999 and 2005 to see how well the implants held up over time. Researchers checked patient satisfaction, implant survival, bone loss, and signs of inflammation. They also looked for risk factors that might lead to problems like peri-implantitis.

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 risk factors for implant failure and improve long-term care for patients.
What could go wrong
This is an observational study, not a treatment trial. It cannot prove what causes complications, only suggest possible links.

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

163 people

The number who actually took part.

Started

Nov 2014

Finished

Aug 2018

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 treated with dental implants at the Specialist Clinic Skanstull, Stockholm, Sweden, between 1999-2005

Ages

20 to 81 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: \- Treated at the Specialist Clinic Skanstull, Stockholm, Sweden with dental implants between the years of 1999-2005 Exclusion Criteria: \- Deceased before or during the study period

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

More trials for these conditions

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