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Gum surgery showdown: one flap or two?

NCT ID NCT06058923

Disease control 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 compares two types of minimally invasive gum surgery for treating deep pockets caused by periodontitis. Fifty adults with advanced gum disease will be randomly assigned to receive either a single-flap or double-flap procedure. Researchers will measure how well each technique reduces pocket depth, improves gum attachment, and affects patient comfort over 12 months.

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 50 people

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

Started

Aug 2023

Expected to finish

Jul 2026

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

21 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: * Systemically healthy individuals * Diagnosis of periodontitis (stage III/IV - grade A or B) * Presence of 20 or more teeth in the oral cavity * Presence of at least one isolated interproximal infra-bony defect (without extension of the defect to the lingual or palatal area - assessed with preoperative bone sounding), with a probing depth of 6 mm or more, and a radiographic infra-bony component ≥ 4 mm, not associated with bifurcation areas, in anterior or premolar teeth (Schincaglia et al., 2015) * Plaque index and bleeding on probing index ≤ 20% (baseline) * Individuals providing informed and voluntary consent Exclusion Criteria: * Individuals who are not available for study evaluation appointments * Systemic conditions that contraindicate periodontal surgery * Patients requiring prophylactic antibiotics * Compromised systemic condition (leukocyte dysfunction, bleeding disorders, neoplasms, uncontrolled metabolic or endocrine disorders, HIV infection) * Individuals using bisphosphonates (oral or injectable use) * Individuals using antibiotics and steroids (within 6 months prior to the study start) * Illicit drug users * Smokers * Individuals with the tooth associated with the infra-bony defect having inadequate restoration, endodontic lesion, inadequate endodontic treatment, untreated carious lesions, and Grade III mobility * Pregnant and lactating Women

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Conditions

The condition(s) this trial relates to.

chronic periodontitis periodontitis

As listed by the trial registrant

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

Intrabony periodontal defect Periodontitis Periodontitis, chronic

Contacts and locations

Locations

  • Piracicaba Dental School, State University of Campinas

    Piracicaba, São Paulo, 13414903, Brazil

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