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Dental implant breakthrough: which surgery fights infection better?

NCT ID NCT07550127

Disease control Sponsor: University of Pittsburgh 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 11, 2026 · Updated 2 times

Summary

This study looks at two standard surgeries for peri-implantitis, a gum infection around dental implants. About 44 adults will get either resective surgery with implantoplasty (smoothing the implant) or with simple cleaning. Researchers will measure inflammation in blood, gum tissue, and implant fluid before and after surgery to see which approach works better.

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 44 people

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

Started

Feb 2026

Expected to finish

Jun 2029

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

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 To be enrolled, the participant must met the following inclusion criteria: 1. Aged 18 or older. 2. In good general health, classified as ASA Physical Status I or II. 3. Diagnosed with peri-implantitis requiring resective surgical treatment, characterized by: Bleeding on probing (BOP) around dental implants. Probing pocket depths (PPD) greater than 6 mm. Implants in function for over 1 year with progressive bone loss exceeding 3 mm. Initial screening confirmed by panoramic radiographs, cone-beam computed tomography (CBCT), and clinical diagnosis. To be enrolled in the maintenance phase, participants must meet clinical stability criteria at the time of enrollment: * Probing depth (PD) ≤ 5 mm * Bleeding on probing (BOP) ≤ 1 point * Absence of suppuration (SOP) * Absence of progressive bone loss compared to pre-treatment bone levels Exclusion Criteria: 1. Patients with autoimmune or systemic inflammatory diseases (e.g., lupus, rheumatoid arthritis) that could alter immune cell profiles independent of local peri-implant inflammation. 2. Chronic use of systemic corticosteroids or immunosuppressants within the past 3 months. 3. Uncontrolled diabetes (HbA1c \> 7.5%) due to its potential impact on healing and immune response. 4. Active infection or antibiotic use in the 30 days prior to baseline sampling. 5. Pregnancy or breastfeeding. 6. Inability to undergo venipuncture or tolerate soft tissue biopsy. 7. Inability to attend the 3-month follow-up visit or comply with study protocol. 8. History of malignancy requiring systemic therapy within the past 5 years.

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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

  • University of Pittsburgh School of Dental Medicine

    RECRUITING

    Pittsburgh, Pennsylvania, 15213, United States

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