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Tooth polishing showdown: brush, cup, or air — which wins?

NCT ID NCT06857474

Knowledge-focused Sponsor: Khyber Medical University Peshawar 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looked at 56 extracted teeth to see which polishing method — bristle brush, rubber cup, or air polishing — makes the tooth surface smoothest after scaling. Smoother teeth may help prevent plaque buildup and improve oral health. Researchers used a powerful microscope to measure roughness.

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

56 people

The number who actually took part.

Started

Apr 2025

Finished

Dec 2025

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: * Extracted human teeth with intact buccal or lingual surfaces. * Patients with a history of trauma affecting the oral cavity will be eligible, provided they meet other criteria (e.g., intact buccal or lingual surfaces). * Male and female patients aged 18 years and above. Exclusion Criteria: * Teeth with restorations, caries, fractures, or significant developmental defects (e.g., amelogenesis imperfecta, dentinogenesis imperfecta , fluorosis etc). * Patients with systemic disease such as diabetes mellitus, cardiovascular disorders or any other condition will be excluded. * Mentally impaired patient. * Patients who have undergone scaling and polishing within the last 3 months.

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Conditions

The condition(s) this trial relates to.

Dental Plaque periodontal disorder Tooth Abrasion

As listed by the trial registrant

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

Dental plaque Periodontal diseases Tooth abrasion

Contacts and locations

Locations

  • Khyber College of Dentistry, Peshawar

    Peshawar, Khyber Pakhtunkhwa, 25000, Pakistan

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