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Study to Determine the Anti-plaque Efficacy of Commerical Toothpastes and an Oral Rinse

Study to Determine the Anti-plaque Efficacy of Commerical Toothpastes and an Oral Rinse

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01024738
Enrollment
22
Registered
2009-12-03
Start date
2008-03-31
Completion date
2008-04-30
Last updated
2009-12-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Dental Plaque

Brief summary

Calibration study to determine the anit-plaque efficacy of commerical toothpastes and an oral rinse

Detailed description

Training of new examiners and validation of new clinical site to run 4 day short-term plaque studies. All products are commercially available.

Interventions

DRUGFluoride

Brush half mouth twice daily for four days.

Brush twice daily

DRUGChlorhexidine Gluconate

Rinse mouth twice a day

Sponsors

Colgate Palmolive
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
18 Years to 65 Years
Healthy volunteers
Yes

Inclusion criteria

* Be aged 18 to 65 years inclusive * Have a minimum of 15 natural uncrowned teeth (excluding 3rd molars) present * Give written informed consent * Be in good general health * No known history of allergy to personal care/consumer products or their ingredients, relevant to any ingredients in the test products as determined by the dental/medical professional monitoring the study * If of childbearing potential and on birth control (Diaphragm, Birth Control Pills, Birth Control Implants, IUD (Intrauterine device), condoms)

Exclusion criteria

* Medical condition which requires pre-medication (antibiotics) prior to dental * Visits/procedures * Allergy to chlorhexidine * Advanced periodontal disease (gum disease) * 5 or more decayed, untreated dental sites (cavities) * Diseases of the soft or hard oral tissues (gums or palate) * Orthodontic appliances that interfere with plaque rating * Abnormal salivary function * Use of drugs that can affect currently salivary flow or production * Use of antibiotics one (1) month prior to or during this study * Use of any over the counter medications other than analgesics (i.e. aspirin, ibuprofen, acetaminophen,naproxyn) * Pregnant or breastfeeding. * Participation in another research study in the month preceding this study * Allergic to common toothpaste or mouth rinse ingredients. * Immune compromised individuals (HIV, AIDS, immuno suppressive drug therapy) or individuals who have a high risk of infection from other causes

Design outcomes

Primary

MeasureTime frameDescription
Plaque Index4 DaysPlaque score is Units on a scale 0 to 5 (0 = no plaque, 1 = separate flecks of plaque on the tooth, 2 = a thin continuous band of plaque, 3 = a band of plaque up to one-third of the tooth, 4 = plaque covering up to two thirds of the of the tooth, 5 = plaque covering two-thirds or more of the crown of the tooth)

Countries

United States

Participant flow

Recruitment details

Performed at the clinic

Participants by arm

ArmCount
Fluoride Toothpaste
negative control toothpaste
7
Total Toothpaste
triclosan/fluoride toothpaste (positive control)
7
Chlorhexidine Oral Rinse
chlorhexidine oral rinse (positive control)
8
Total22

Baseline characteristics

CharacteristicTotal ToothpasteChlorhexidine Oral RinseFluoride ToothpasteTotal
Age, Categorical
<=18 years
0 Participants0 Participants0 Participants0 Participants
Age, Categorical
>=65 years
0 Participants0 Participants0 Participants0 Participants
Age, Categorical
Between 18 and 65 years
7 Participants8 Participants7 Participants22 Participants
Age Continuous50.5 years
STANDARD_DEVIATION 6.5
56.6 years
STANDARD_DEVIATION 5.5
44.2 years
STANDARD_DEVIATION 10.23
50.43 years
STANDARD_DEVIATION 8.86
Region of Enrollment
United States
7 participants8 participants7 participants22 participants
Sex: Female, Male
Female
6 Participants7 Participants7 Participants20 Participants
Sex: Female, Male
Male
1 Participants1 Participants0 Participants2 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
deaths
Total, all-cause mortality
— / —— / —— / —
other
Total, other adverse events
0 / 220 / 221 / 22
serious
Total, serious adverse events
0 / 220 / 220 / 22

Outcome results

Primary

Plaque Index

Plaque score is Units on a scale 0 to 5 (0 = no plaque, 1 = separate flecks of plaque on the tooth, 2 = a thin continuous band of plaque, 3 = a band of plaque up to one-third of the tooth, 4 = plaque covering up to two thirds of the of the tooth, 5 = plaque covering two-thirds or more of the crown of the tooth)

Time frame: 4 Days

ArmMeasureValue (MEAN)Dispersion
Fluoride ToothpastePlaque Index3.31 Units on a scaleStandard Deviation 0.48
Total ToothpastePlaque Index3.31 Units on a scaleStandard Deviation 0.38
Chlorhexidine Oral RinsePlaque Index2.91 Units on a scaleStandard Deviation 0.36
Comparison: The null hypothesis states that there is no difference between groups.p-value: 0.05ANOVA

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026