New dual zinc toothpaste takes on plaque and gingivitis in 3-Month trial
NCT ID NCT06430060
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested whether a new Colgate toothpaste with dual zinc can better control plaque and gingivitis (gum inflammation) compared to a standard cavity protection toothpaste. 86 adults with mild to moderate plaque and gum issues used one of the two toothpastes for three months. Dentists measured plaque and gum health at the start and end of the study to see which toothpaste worked better.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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86 people
The number who actually took part.
- Started
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Apr 2024
- Finished
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Aug 2024
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 70 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide 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: * Subjects, ages 18-70, inclusive. * Availability for the three-month duration of the clinical research study. * Good general health. * Minimum of 20 uncrowned 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). * Signed Informed Consent Form Exclusion Criteria: * Presence of orthodontic bands. * Presence of partial removable dentures. * Tumor(s) of the soft or hard tissues of the oral cavity. * Advanced periodontal disease (purulent exudate, tooth mobility, and/or extensive loss of periodontal attachment or alveolar bone). * Five or more carious lesions requiring immediate restorative treatment. * Antibiotic use any time during the one month 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 which prohibits eating or drinking for periods up to 4 hours. * History of alcohol or drug abuse. * Pregnant or lactating subjects
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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West China Dental Institute of Chengdu
Chengdu, Sichuan, 610041, China
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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