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Past gum disease may impact Long-Term dental implant success

NCT ID NCT07671456

Knowledge-focused Sponsor: University of Campinas, Brazil 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study followed 55 people with dental implants for 5 years to see if their history of gum disease (aggressive, chronic, or none) affected implant health. Participants received regular dental cleanings. Researchers measured bone loss, gum inflammation, and implant survival. The goal was to understand how past gum problems influence long-term implant outcomes.

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 personalize implant care based on a patient's history of gum disease.
What could go wrong
This is an observational study with only 70 participants, so results may not apply to everyone. It does not test a new treatment.

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

70 people

The number who actually took part.

Started

Jan 2011

Finished

Jan 2019

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

Patients with or without a history of periodontitis were included in the study

Ages

18 years and older

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: * Age ≥ 18 years. * Previous diagnosis of aggressive periodontitis, chronic periodontitis, or no history of periodontitis. * Completion of periodontal treatment at least 1 year before study enrollment. * Enrollment in supportive periodontal therapy. * Plaque Index \< 20% at study onset. * Bleeding on Probing \< 20% at study onset. * Presence of at least one single edentulous space with adjacent teeth. * Sufficient bone and soft tissue volume for implant placement without the need for reconstructive procedures. Exclusion Criteria: * Systemic conditions that contraindicate implant surgery. * Use of systemic antimicrobial therapy within 6 months before implant placement. * Untreated or uncontrolled aggressive periodontitis. * Untreated or uncontrolled chronic periodontitis. * Pregnancy or breastfeeding. * Need for bone grafting or soft tissue grafting procedures. * Current smokers or former smokers.

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Conditions

The condition(s) this trial relates to.

chronic periodontitis Peri-Implantitis periodontitis, aggressive periodontitis, aggressive 1

As listed by the trial registrant

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

Aggressive periodontitis Chronic periodontitis Dental implants Peri-implantitis Staging

More trials for these conditions

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