NCT01237795

Brief Summary

This trial aims to evaluate the efficacy of three experimental dentifrices to remove denture biofilm. Complete denture wearers will be instructed to brush their dentures with a specific toothbrush and four compositions: (1) A proprietary denture-specific paste (active comparator); (2) 0.2% chloramine T; (3) 1.0% chloramine T; (4) 0.01% fluorosurfactant. Each treatment will be used for periods of 7 days, and participants will be randomized to use them according to one of four sequences.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
36

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Feb 2008

Typical duration for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

February 1, 2008

Completed
4 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2008

Completed
1.5 years until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2009

Completed
11 months until next milestone

First Submitted

Initial submission to the registry

November 9, 2010

Completed
1 day until next milestone

First Posted

Study publicly available on registry

November 10, 2010

Completed
Last Updated

July 28, 2014

Status Verified

July 1, 2014

Enrollment Period

4 months

First QC Date

November 9, 2010

Last Update Submit

July 24, 2014

Conditions

Keywords

Chloramine TComplete DentureDental Plaque IndexDentifriceDenture BasesDenture CleansersEdentulous MouthFluorosurfactantOral HealthToothpaste

Outcome Measures

Primary Outcomes (1)

  • Denture plaque coverage area (%)

    Relation between stained area and total surface area on the internal surface of maxillary complete dentures.

    7 days

Study Arms (4)

0.01% fluorosurfactant

EXPERIMENTAL

An experimental formula for denture hygiene containing 0.01% fluorosurfactant.

Other: Dentifrice

1.0% chloramine T

EXPERIMENTAL

An experimental formula for denture hygiene containing 1.0% chloramine T.

Other: Dentifrice

0.2% chloramine T

EXPERIMENTAL

An experimental formula for denture hygiene containing 0.2% chloramine T.

Other: Dentifrice

Proprietary dentifrice.

ACTIVE COMPARATOR

A proprietary denture-specific dentifrice.

Other: Dentifrice

Interventions

Dentifrices (4 formulations) used as auxiliary agents for brushing complete dentures.

Also known as: Denture-specific paste, Toothpaste
0.01% fluorosurfactant0.2% chloramine T1.0% chloramine TProprietary dentifrice.

Eligibility Criteria

Age45 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Completely edentulous
  • Good general health
  • Patients requesting new complete dentures (volunteers will receive the interventions before new complete dentures)
  • Regular wearing of the same maxillary and mandibular complete dentures for 3 to 10 years
  • Both denture bases and artificial teeth should be composed by acrylic resin

You may not qualify if:

  • Unsatisfactory complete dentures in use (i.e. with poor fitting, relining or fractures)
  • Absence of deposits of biofilm at baseline

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Ribeirão Preto Dental School

Ribeirão Preto, São Paulo, 14040-904, Brazil

Location

Related Links

MeSH Terms

Conditions

Dental PlaqueStomatitis, DentureCandidiasis, OralMouth, Edentulous

Interventions

DentifricesToothpastes

Condition Hierarchy (Ancestors)

Dental DepositsTooth DiseasesStomatognathic DiseasesStomatitisMouth DiseasesCandidiasisMycosesBacterial Infections and MycosesInfections

Intervention Hierarchy (Ancestors)

Biomedical and Dental MaterialsCosmeticsSpecialty Uses of ChemicalsChemical Actions and UsesManufactured MaterialsTechnology, Industry, and Agriculture

Study Officials

  • Helena FO Paranhos, DDS, PhD

    University of Sao Paulo

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
PREVENTION
Intervention Model
CROSSOVER
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
Associate Professor

Study Record Dates

First Submitted

November 9, 2010

First Posted

November 10, 2010

Study Start

February 1, 2008

Primary Completion

June 1, 2008

Study Completion

December 1, 2009

Last Updated

July 28, 2014

Record last verified: 2014-07

Locations