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Showing 1–24 of 86 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Dental Plaque Clear all
Completed Not applicable Interventional Results available

Evaluating the Effect of Tooth Cleaning Devices on Oral Health

NCT01250769
View directory record Official record
Conditions
Dental Plaque
Interventions
Manual Toothbrush, Interproximal Cleaning Device
Device
Lead sponsor
Philips Oral Healthcare
Industry
Eligibility
18 Years to 70 Years
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
Fort Wayne, Indiana
Source: ClinicalTrials.gov public record
Updated Sep 18, 2012 · Synced Jul 23, 2026, 10:09 AM EDT
Completed Not applicable Interventional

Evaluating the Efficacy of a Gum Health Formulation on Teeth Whitening in Patients With Gingivitis and Periodontitis

NCT02906982
View directory record Official record
Conditions
Tooth Discoloration, Periodontal Diseases
Interventions
Gum health formulation in intra-oral device, Gum health formulation on toothbrush
Other
Lead sponsor
Glo Science, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 19, 2016 · Synced Jul 23, 2026, 10:09 AM EDT
Recruiting Phase 4 Interventional

Clinical Study to Collect and Analyze Dental Plaque and Oral Health Measures in a Population With High Plaque/Low Gingivitis and High Plaque/High Gingivitis

NCT07614490
View directory record Official record
Conditions
Gingivitis, Plaque
Interventions
sodium monofluorophosphate toothpaste
Drug
Lead sponsor
Colgate Palmolive
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Fort Wayne, Indiana
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Jul 23, 2026, 10:09 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Clinical Study to Evaluate the Effectiveness of an Experimental Toothpaste in Improving Gum Health and Reducing Plaque Accumulation

NCT07255040
View directory record Official record
Conditions
Dental Plaque, Gingivitis
Interventions
Test Dentifrice, Parodontax Complete Protection, Colgate Cavity Protection
Drug
Lead sponsor
HALEON
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Fort Wayne, Indiana
Source: ClinicalTrials.gov public record
Updated Dec 18, 2025 · Synced Jul 23, 2026, 10:09 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

4-day Plaque Accumulation Model Evaluating Compound Containing Gum

NCT06984744
View directory record Official record
Conditions
Dental Plaque Accumulation
Interventions
MIIP-E2 containing gum, placebo gum without MIIP-E2
Device
Lead sponsor
Lactea Therapeutics, LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 26, 2025 · Synced Jul 23, 2026, 10:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Efficacy of a Stannous Fluoride Toothpaste With a Cetylpyridinium Chloride Mouthwash in Improving Gingival Health and Reducing Plaque Accumulation

NCT06660069
View directory record Official record
Conditions
Dental Plaque, Gingivitis
Interventions
Stannous Fluoride Toothpaste (Parodontax Complete Protection Toothpaste), CPC Mouthwash (Parodontax Active Gum Health Mouthwash), Regular Fluoride Toothpaste (Crest Cavity Protection)
Drug
Lead sponsor
HALEON
Industry
Eligibility
18 Years and older
Enrollment
199 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Fort Wayne, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 17, 2026 · Synced Jul 23, 2026, 10:09 AM EDT
Completed No phase listed Observational

Bacterial Arrangement on the Teeth

NCT01712672
View directory record Official record
Conditions
Dental Plaque, Oral Health, Periodontal Disease and Caries, Periodontal Disease
Interventions
Not listed
Lead sponsor
National Institute of Dental and Craniofacial Research (NIDCR)
NIH
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 29, 2025 · Synced Jul 23, 2026, 10:09 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Collection of Dental Plaque and Saliva for Studies of Bacterial Colonization of Teeth

NCT00098267
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
National Institute of Dental and Craniofacial Research (NIDCR)
NIH
Eligibility
3 Months and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 23, 2026, 10:09 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Effectiveness of Plaque Score Detection Techniques

NCT06511830
View directory record Official record
Conditions
Plaque, Dental
Interventions
Dental Monitoring images
Diagnostic Test
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years to 85 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Jun 10, 2025 · Synced Jul 23, 2026, 10:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluation of the Efficacy and Safety of a Loop Stretchable Dental Floss

NCT06515483
View directory record Official record
Conditions
Gingivitis, Supragingival Plaque
Interventions
Brushing and Flossing of teeth, Brushing Only
Device · Other
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 65 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 12, 2025 · Synced Jul 23, 2026, 10:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Comparative Study of Electric Toothbrushes for the Efficacy Plaque Removal and the Effect on Plaque Accumulation and Gingivitis.

NCT03416985
View directory record Official record
Conditions
Dental Plaque Induced Gingivitis, Dental Plaque
Interventions
Oral B Healthy Clean Manual Toothbrush, BURST Sonic Oral Care, Philipps Sonicare DiamondClean 300 Series
Device
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 23, 2019 · Synced Jul 23, 2026, 10:09 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Study of the Composition of Dental Plaque

NCT00001726
View directory record Official record
Conditions
Dental Caries, Dental Plaque, Periodontal Disease
Interventions
Not listed
Lead sponsor
National Institute of Dental and Craniofacial Research (NIDCR)
NIH
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 23, 2026, 10:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Plaque Removal Efficacy of a U-Shaped Sonic Power Toothbrush in Children

NCT06300073
View directory record Official record
Conditions
Dental Plaque
Interventions
Experimental: U-shaped Power Toothbrush, Placebo Comparator: Soft Manual Toothbrush
Device
Lead sponsor
Lander Enterprises, LLC
Industry
Eligibility
5 Years to 8 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Fort Wayne, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 7, 2024 · Synced Jul 23, 2026, 10:09 AM EDT
Completed No phase listed Observational

Meta-analysis of Stannous Fluoride and the Effects on Dental Plaque

NCT04006483
View directory record Official record
Conditions
Dental Plaque
Interventions
Stannous fluoride dentifrice, Positive control dentifrice, Negative control dentifrice
Drug
Lead sponsor
Procter and Gamble
Industry
Eligibility
18 Years and older
Enrollment
2,359 participants
Timeline
2018
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 17, 2023 · Synced Jul 23, 2026, 10:09 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Effect of a Commercial Cosmetic Mouth Rinse on Plaque Re-growth

NCT01122862
View directory record Official record
Conditions
Healthy Subjects
Interventions
0.12% chlorhexidine mouthrinse, Cosmetic mouthrinse, Sterile water
Drug · Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Fort Wayne, Indiana
Source: ClinicalTrials.gov public record
Updated Sep 8, 2013 · Synced Jul 23, 2026, 10:09 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Clinical Research Study to Assess the Efficacy of Two Brushing Regimens in the Reduction of Established Dental Plaque and Gingivitis.

NCT06244303
View directory record Official record
Conditions
Gingivitis, Plaque
Interventions
manual Tooth Brush + Colgate Total TP (0.454% SnF, 1100 ppm F), manual toothbrush + Colgate dental cream
Drug
Lead sponsor
Colgate Palmolive
Industry
Eligibility
18 Years to 70 Years
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Costa Mesa, California
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Jul 23, 2026, 10:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Safety and Efficacy of the ToothWave -12 Weeks Calculus Study

NCT04092075
View directory record Official record
Conditions
Gingivitis, Plaque, Calculus, Dental
Interventions
RF-utilizing powered toothbrush, Control placebo with no RF
Device
Lead sponsor
Home Skinovations Ltd.
Industry
Eligibility
18 Years to 70 Years
Enrollment
87 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jul 28, 2020 · Synced Jul 23, 2026, 10:09 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Novel Dental Gel as an Adjunct to Scaling and Root Planing

NCT05384132
View directory record Official record
Conditions
Periodontal Diseases, Gingival Diseases, Gingival Pocket, Gum Bleed, Plaque, Dental
Interventions
SRP + Livfresh Dental Gel, SRP + standard flouride dentifrice
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 85 Years
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2028
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced Jul 23, 2026, 10:09 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

A Study to Investigate the Efficacy of an Experimental Dentifrice Containing Stannous Fluoride in Improving Gingival Health

NCT07704905
View directory record Official record
Conditions
Dental Plaque, Gingivitis
Interventions
Test Dentifrice, Reference Dentifrice (Colgate Cavity Protection Dentifrice)
Drug
Lead sponsor
HALEON
Industry
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Fort Wayne, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 14, 2026 · Synced Jul 23, 2026, 10:09 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Train New Examiners Via Modified Gingival Margin Plaque

NCT00758563
View directory record Official record
Conditions
Dental Plaque
Interventions
Fluoride, Triclosan/Fluoride
Drug
Lead sponsor
Colgate Palmolive
Industry
Eligibility
18 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Bethlehem, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 24, 2008 · Synced Jul 23, 2026, 10:09 AM EDT
Completed No phase listed Observational

Oral Alkali Production and Caries Prevention in Children (Cross-sectional Component)

NCT02368028
View directory record Official record
Conditions
Dental Caries
Interventions
Oral Samples
Other
Lead sponsor
University of Florida
Other
Eligibility
2 Years to 5 Years
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 14, 2015 · Synced Jul 23, 2026, 10:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Clinical Investigation Examining Plaque and Gingivitis Connected Toothbrush Compared to Non-Connected Toothbrush

NCT04221334
View directory record Official record
Conditions
Gingivitis, Plaque, Dental
Interventions
Electric Toothbrush, oral health care application
Device · Other
Lead sponsor
Colgate Palmolive
Industry
Eligibility
18 Years to 70 Years
Enrollment
79 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Jan 8, 2020 · Synced Jul 23, 2026, 10:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluation of Toothbrush Bristles in Plaque Reduction

NCT04681885
View directory record Official record
Conditions
Plaque, Dental, Gingivitis
Interventions
Tapered bristles A, Tapered bristles B, End rounded bristles
Device
Lead sponsor
Sunstar Americas
Industry
Eligibility
18 Years to 70 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 14, 2024 · Synced Jul 23, 2026, 10:09 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Imaging-based Assessment of Oral Biofilm and Gingival Health

NCT05470023
View directory record Official record
Conditions
Plaque, Dental, Gingivitis
Interventions
OTC Toothpastes or Mouthrinses
Other
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older
Enrollment
275 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2028
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Dec 22, 2025 · Synced Jul 23, 2026, 10:09 AM EDT