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Chewing gum vs. mouthwash: which keeps your mouth cleaner all day?

NCT ID NCT07382310

Symptom relief Sponsor: King Abdullah University Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tested whether using mouth rinses or chewing gum between morning and evening brushing reduces plaque buildup and improves breath freshness. Twenty healthy adults tried five different products (or no product) on separate days. Plaque was measured by staining teeth and taking photos, and participants rated their mouth freshness. The goal was to see if these products help maintain oral cleanliness during the day.

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

20 people

The number who actually took part.

Started

Sep 2020

Finished

May 2022

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: * Age is 18 years or more. * Generally healthy. * All teeth (28 teeth, excluding 3rd molars) should be present. * The absence of untreated caries, secondary caries or faulty restorations. * No orthodontic appliances (removable or/and fixed). * No oral lesions, no active periodontal disease (no active inflammation or bleeding). * Not using a mouthwash or any chewing product in the last week before the beginning of the study. Exclusion Criteria: * Pregnancy, lactation. * Any chronic disease including diabetes, cardiac disease and diseases of the immune system. * Presence of signs and symptoms of an acute infection in the oral cavity. * Any prescribed systemic or topical medication. * Any known allergies against ingredients of the different tested products. * Use of antibiotics in the last 3 months. * Use of nonsteroidal anti-inflammatory drugs (NSAID) in the last 3 months. * History of alcohol or drug abuse. * Smokers.

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Conditions

The condition(s) this trial relates to.

Dental Plaque

As listed by the trial registrant

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

Chewing gum Dental plaque Dental plaque accumulation Mouthwashes

Contacts and locations

Locations

  • Sydney Dental Hospital (SDH)

    Sydney, New South Wales, Central, 2010, Australia

More trials for these conditions

Other studies related to the condition(s) this trial covers.