Extrinsic Tooth Whitening Evaluation of a Whitening Toothpaste (NCT07428603) | Clinical Trial Compass
CompletedNot Applicable
Extrinsic Tooth Whitening Evaluation of a Whitening Toothpaste
United States118 participantsStarted 2024-08-08
Plain-language summary
This randomized, examiner-blind, parallel-group clinical study evaluated the effectiveness of a whitening toothpaste compared with a control toothpaste in removing extrinsic tooth stain over six weeks of twice-daily unsupervised use. Adult subjects were assessed at baseline and after 7, 14, 28, and 42 days of product use using the Macpherson Modification of the Lobene Stain Index. Oral soft and hard tissues and subject-reported sensory responses were also evaluated throughout the study.
Who can participate
Age range
18 Years – 65 Years
Sex
ALL
See this in plain English?
AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Inclusion Criteria:
* Adults 18-65 years in good general health
* Mean MLSI score ≥1.5 on labial surfaces of at least 8 of 12 anterior teeth
* Adequate oral hygiene and willingness to comply with study requirements
* Dental prophylaxis within past 18 months but not within past 3 months
* Willing to refrain from other whitening or oral care products during the study
Exclusion Criteria:
* Significant medical conditions or oral pathology affecting assessments
* History of adverse reactions to oral hygiene products
* Orthodontic appliances or restorations interfering with stain assessment
* Moderate or advanced periodontitis
* Recent bleaching or whitening treatments
* Pregnant or nursing
Questions worth asking your doctor
Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.
1Based on my diagnosis and history, is this trial worth exploring for me — or is there a standard treatment we should try first?
2What does this trial's phase tell us about how much is already known about its safety and benefit?
3What would taking part actually involve for me — visits, tests, time, and travel?
4What are the known and possible risks or side effects I should weigh, and how would they be monitored?
5If this trial isn't the right fit, what other options or trials would you suggest I look into?
Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
Questions for the trial coordinator
The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
1What does taking part actually involve week to week — how many visits, where, and how long does each one take?
2What costs are covered by the study, and what might I have to pay for myself, including travel, parking, or time off work?
3What happens during screening, and what happens if the study team confirms I don't meet the criteria after those tests?
4Who pays for the scans, blood work, and other tests the trial requires — the study, my insurance, or me?
5How will being in the trial affect my regular care, and will my own doctor stay informed and involved?
6Can I leave the trial at any point if I change my mind, and what would happen to my care if I do?
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
What they're measuring
1
Change in Extrinsic Tooth Stain (Total Stain Score)