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Brush vs bur: which tool erases gum stains best?

NCT ID NCT07402720

Symptom relief Sponsor: Cairo 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 two minimally invasive tools for removing dark pigment from gums: a polishing brush and a ceramic bur. Twenty adults with noticeable gum pigmentation will have each side of their mouth treated with a different tool. The goal is to see which method reduces pigment better, causes less pain, and leads to faster healing.

What this could mean

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

Active substance
polishing brush and ceramic soft tissue trimming bur
What this could lead to
If this trial succeeds, it could show that a polishing brush is a gentler, equally effective option for removing dark gum spots, improving patient comfort and satisfaction.
What could go wrong
This is a small, early-stage trial with only 20 participants, so results may not apply to everyone. Both methods are cosmetic and may not permanently remove pigmentation.

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 20 people

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

Started

Nov 2025

Expected to finish

Mar 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 to 40 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: * Presence of melanin hyperpigmentation (Dummett Oral Pigmentation Index ≥ 2) * Presence of bilateral gingival pigmentation extending at least 3 teeth in each arch * Age range: e.g., 18-40 years (adjust based on your sample) * Non-smokers (or smokers \<10 cigarettes/day, specify if allowed) * Systemically healthy * Willingness to participate and sign informed consent 8 * Available for follow-up appointments * No previous periodontal surgery in the area other than prophylaxis Exclusion Criteria: * • Systemic conditions affecting healing (e.g., diabetes mellitus,immunosuppressive disorders) * Pregnant or lactating women * Heavy Smokers * Ongoing orthodontic treatment in the affected area * Use of medications affecting gingiva (e.g., phenytoin, cyclosporine, calcium channel blockers) * Poor oral hygiene at baseline * Active periodontal pockets \>3 mm or clinical attachment loss * Allergy to local anesthetics or materials used in the procedure * History of alcohol or drug abuse * Psychological conditions that may interfere with compliance

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As listed by the trial registrant

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

Gingival hyperpigmentation

How to take part

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  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

  • Cairo University

    RECRUITING

    Cairo, Egypt

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