Efficacy of Two Brushing Regimens in the Reduction of Established Dental Plaque and Gingivitis

What this study involves

The registry does not currently label this study as recruiting. Ask about its status before planning a screening visit.

Study type

Interventional

Phase

Phase 3

Age range

18 years - 70 years

Sex eligible

All sexes

Healthy volunteers

Accepted

Participants

84 Actual

These are starting points, not an eligibility decision. The research team must review the full requirements.

About the research

Clinical Research study to assess the efficacy of two brushing regimens: 1) a toothpaste containing stannous fluoride and a standard manual toothbrush as compared to 2) a regular fluoride toothpaste and standard manual toothbrush in the reduction of established dental plaque and gingivitis

Who may be able to participate?

The list below is the sponsor’s full registry wording. It can include conditions, prior treatment, test results and other requirements. A match in search does not mean you qualify.

Inclusion Criteria:

• Signed Informed Consent Form.
• Male and female subjects aged 18-70 years, inclusive.
• Availability for the 24 weeks (6 months) duration of the clinical research study.
• Good general health based on the opinion of the study investigator
• Minimum of 20 permanent natural teeth (excluding third molars).
• Initial gingivitis index of at least 1.0 as determined by the use of the Loe and Silness Gingival Index.
• Initial plaque index of at least 1.5 as determined by the use of the Quigley and Hein Plaque Index (Turesky Modification).

Exclusion Criteria:

• Presence of orthodontic appliances.
• Presence of partial removable dentures.
• Tumor(s) of the soft or hard tissues of the oral cavity.
• Moderate and/or advanced periodontal disease, rampant caries, or any condition that the dental examiner considers exclusionary from the study.
• Five or more carious lesions requiring immediate restorative treatment.
• Antibiotic use any time during the one-month period prior to entry into the study.
• Participation in any other clinical study or test panel within the one month prior to entry into the study.
• Dental prophylaxis during the past two weeks prior to baseline examinations.
• History of allergies to oral care/personal care consumer products or their ingredients.
• On any prescription medicines that might interfere with the study outcome.
• An existing medical condition that prohibits eating and/or drinking for periods up to 4 hours.
• History of alcohol and/or drug abuse.
• Self-reported pregnancy and/or lactating subjects.

Treatment, groups and participation

The registry may describe treatments and study duration without a complete visit calendar. Ask the study team for the exact schedule, procedures, risks, costs and alternatives. Keep your usual care plan unless your treating clinician tells you otherwise.

Assignment

Random assignment

Masking

Quadruple masked

What researchers are measuring

Outcome measures describe what is being studied. They are not proof that a treatment works.

Primary measures

Research locations (1)

The overall study status and a local site’s status can differ. Confirm that location’s availability before traveling.

1 locations

Study team and timeline

Lead sponsor

Colgate Palmolive

Study start

Oct 9, 2026 Actual

Primary completion

Nov 4, 2026 Actual

Study completion

Nov 4, 2026 Actual

First posted

Nov 4, 2026 Actual

Last updated

Nov 10, 2026 Actual

Official study contacts

No central contact is listed. Check the locations and the official record.