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Dental crown removal may boost implant cleaning success

NCT ID NCT07391202

Disease control Sponsor: G. d'Annunzio University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026

Summary

This study tests whether temporarily removing the prosthetic crown before non-surgical cleaning improves treatment for peri-implantitis, a gum infection around dental implants. Thirty-six adults with at least one affected implant will be randomly assigned to cleaning with or without crown removal. Researchers will measure gum pocket depth, bleeding, and bone levels over 12 months to see which approach works better.

What this could mean

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

Active substance
Non-surgical mechanical debridement (cleaning) with or without temporary crown removal
What this could lead to
If successful, this could show that removing the crown before cleaning leads to better gum health around dental implants, potentially improving treatment outcomes.
What could go wrong
This is a small, early-stage study with only 36 participants. The results may not apply to all patients, and the benefit of crown removal might be minimal or not last long-term.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 36 people

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

Started

Apr 2026

Expected to finish

Jul 2027

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.

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: * Patients with at least one implant diagnosed with peri-implantitis (Berglundh et al., 2018); * Patients with a crown on the implant affected by peri-implantitis that is removable; * Patients who have not received non-surgical peri-implant therapy in the previous 6 months; * Patients who have not taken systemic antibiotic therapy in the previous 3 months. Exclusion Criteria: * Full-Mouth Plaque Score (FMPS) \> 30% at the time of non-surgical therapy; * Pregnant or breastfeeding women; * Relevant medical history, in the opinion of the examining clinician, that could affect the outcome of non-surgical peri-implant therapy; * Smoking patients consuming \> 10 cigarettes/day.

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Conditions

The condition(s) this trial relates to.

Peri-Implantitis

As listed by the trial registrant

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

Peri-implantitis

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

  • Dental Clinic, Department of Innovative Technologies in Medicine and Dentistry, 'G. D'Annunzio' University of Chieti-Pescara

    RECRUITING

    Chieti, Chieti, 66100, Italy

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