Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 4, 2026, 2:31 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 49–72 of 90 matching trials from the live ClinicalTrials.gov search.
Completed Phase 2 Interventional Accepts healthy volunteers

The Microbiology of Caries Resistance

NCT02130206
Conditions
Dental Caries
Interventions
Caries Free, Caries Active, Caries Free - Placebo, Caries Active - Placebo
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 65 Years
Enrollment
79 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Gainesville, Florida
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

Orthodontic Varnish Microbiology Study

NCT04528134
Conditions
Dental Caries, Dental Plaque, Dental White Spot
Interventions
Extended Contact RMGI (Resin-modified Glass Ionomer) Varnish, 5% Sodium Fluoride Varnish
Device
Lead sponsor
University of California, Los Angeles
Other
Eligibility
12 Years to 27 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Completed Not applicable Interventional Accepts healthy volunteers

Preventing Early Childhood Obesity, Part 1: Family Spirit Nurture, 3-9 Months

NCT03101943
Conditions
Obesity, Water; Lack of, Breast Feeding, Tooth Erosion, Dental Plaque, Infant Obesity, Feeding Behavior, Mother-Child Relations, Dietary Habits, Dental Caries
Interventions
Family Spirit Nurture (FSN), Control Program, Water Delivery
Behavioral · Other
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
13 Years and older · Female only
Enrollment
136 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Shiprock, New Mexico
Completed No phase listed Observational Accepts healthy volunteers

Study of the Composition of Dental Plaque

NCT00001726
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
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Train New Examiners Via Modified Gingival Margin Plaque

NCT00758563
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
Completed Not applicable Interventional Accepts healthy volunteers

At-Home Care for Subjects With Periodontitis

NCT04254770
Conditions
Periodontitis, Dental Plaque
Interventions
ADA approved Manual Toothbrush, Marketed Power Toothbrush
Device
Lead sponsor
Philips Clinical & Medical Affairs Global
Industry
Eligibility
18 Years to 75 Years
Enrollment
346 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Fort Wayne, Indiana
Completed Not applicable Interventional

Dental Plaque Removal Study

NCT01559987
Conditions
Gingivitis, Gum Disease
Interventions
Manual Toothbrush only, MTB + Waterpik Ultra Water Flosser 'High', MTB + Floss (MTB+Floss)
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 75 Years
Enrollment
270 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Conditions
Gingivitis, Periodontitis, Dental Plaque
Interventions
Oral Hygiene
Other
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older
Enrollment
194 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
1
States / cities
Irvine, California
Recruiting No phase listed Observational Accepts healthy volunteers

Effectiveness of Plaque Score Detection Techniques

NCT06511830
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

Efficacy of Plaque Removal of a Novel Brushing Device

NCT05038293
Conditions
Dental Plaque
Interventions
Automated mouthpiece-based toothbrush, Manual toothbrush
Device
Lead sponsor
University of Washington
Other
Eligibility
5 Years to 17 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Seattle, Washington
Recruiting Not applicable Interventional

Oil Pulling Reduction

NCT07706647
Conditions
Good Health, Gingival Inflammation and Bleeding, Dental Plaque
Interventions
GuruNanda natural Oil Pulling oral rinse, TheraBreath Plaque Control Oral Rinse, GuruNanda water-based non-whitening mouthwash
Dietary Supplement
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 70 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
San Antonio, Texas
Completed Not applicable Interventional Accepts healthy volunteers

University of New Mexico Dental Hygiene

NCT03876353
Conditions
Oral Plaque Biofilm
Interventions
Floss
Other
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Albuquerque, New Mexico
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Clinical Study to Evaluate Dental Plaque

NCT00758290
Conditions
Gingival Diseases
Interventions
Triclosan/Fluoride, Fluoride/triclosan
Drug
Lead sponsor
Colgate Palmolive
Industry
Eligibility
20 Years to 51 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
New York, New York
Completed Phase 2 Interventional Accepts healthy volunteers Results available

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

NCT01122862
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
Completed Early Phase 1 Interventional Accepts healthy volunteers

Evaluation and Comparison of a Novel Dentrifice Formulation on Plaque Removal

NCT06082869
Conditions
Dental Plaque
Interventions
Protegera™ toothpaste (NaF), Crest™ Cavity Protection toothpaste (NaF)
Drug
Lead sponsor
Protegera, Inc.
Industry
Eligibility
18 Years to 69 Years
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Fort Wayne, Indiana
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Enzymes on Dental Biofilm Accumulation

NCT05579938
Conditions
Dental Plaque
Interventions
Enzyme-containing lozenge, Placebo lozenge
Dietary Supplement
Lead sponsor
Novozymes A/S
Industry
Eligibility
18 Years to 75 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Fort Wayne, Indiana
Completed Not applicable Interventional Accepts healthy volunteers

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

NCT06300073
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
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Evaluation of Plaque Fluid Fluoride Retention From Fluoride Toothpastes

NCT00708305
Conditions
Dental Caries
Interventions
Sodium Fluoride (NaF), Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 65 Years
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Indianapolis, Indiana
Conditions
Plaque
Interventions
Comparison Condition, BeReady2Smile video only, BeReady2Smile video and BeReady2Smile app completely self-guided, "Complete" BeReady2Smile video and BeReady2Smile app guided by a Coach
Behavioral
Lead sponsor
Oregon Research Behavioral Intervention Strategies, Inc.
Industry
Eligibility
18 Years and older
Enrollment
228 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Springfield, Oregon
Completed Not applicable Interventional Accepts healthy volunteers

BEhavioral EConomics for Oral Health iNnovation Pilot Trial

NCT03862443
Conditions
Toothbrushing, Dental Plaque, Parent-Child Relations, Oral Hygiene, Dental Caries
Interventions
Fixed Incentive, Drawing Incentive
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
6 Months to 42 Months
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Santa Monica, California
Completed Not applicable Interventional Accepts healthy volunteers

RCT: Enzyme Blend Toothpaste on Dental Biofilm Plaque Accumulation

NCT07079683
Conditions
Dental Biofilm Accumulation
Interventions
Toothpaste Product
Other
Lead sponsor
Novozymes A/S
Industry
Eligibility
18 Years to 65 Years
Enrollment
132 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Fort Wayne, Indiana
Completed Not applicable Interventional Accepts healthy volunteers

ToothWave Calculus Reduction and Accumulation Prevention Study

NCT04596761
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 and older
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Fort Wayne, Indiana
Conditions
Dental Caries
Interventions
Oral Samples
Other
Lead sponsor
University of Florida
Other
Eligibility
2 Years to 7 Years
Enrollment
232 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Gainesville, Florida