- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00471783
Flossing With Chlorhexidine
The Effects of Flossing With a Chlorhexidine Solution on Interproximal Gingivitis: a Randomized Controlled Trial
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Purpose of study: To determine if dental floss presoaked in 0.12% chlorhexidine is more effective at reducing the signs of gingivitis, such as bleeding, than a dental floss in placebo solution of 0.1% quinine sulphate.
Trial design: The study will consist of a double-blinded, placebo-controlled parallel three-month clinical trial.
Randomization of subjects into study groups: Subjects randomized with a computer-generated randomization table and balanced block design to make the two groups equal in number of subjects.
Trial schedule:
- Screening for potential subjects & consent obtained. Calibration of examiner.
- Week -1: Professional prophylaxis consisting of scaling and polishing.
- Week 0: Baseline data (GI, SI, PI, BOP, PD) collected on subjects enrolled into the study. OHI - flossing. Subject randomized into a study group.
- Week 6: Subjects reassessed for GI, SI, PI, BOP, PD. Compliance check. Replenish floss supply. Subject concerns or questions addressed.
- Week 12: Subjects reassessed for GI, SI, PI, BOP, PD. All floss boxes and logbook returned. Subject concerns or questions addressed. Subject exited from study and returned to the care of his or her regular dental professional.
Measurements for data collection (done in this order):
- Gingival index (GI) (modification of Löe & Silness, 1963)
- Stain Index (SI)
- Plaque index (PI) (modification of Silness and Löe, 1964)
- Bleeding on Probing (BOP)
- Probing Depth (PD)
Study Type
Enrollment (Actual)
Phase
- Phase 3
Contacts and Locations
Study Locations
-
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British Columbia
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2031 West 41st Avenue, Vancouver, British Columbia, Canada
- Dr. Ian Low
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
To be considered for inclusion into the study, subjects must fulfill the following conditions:
- 18 years and older
- Have gingivitis (i.e., have pocket depths of 4 mm or less), but not periodontitis
- Willing to floss every day and have the necessary dexterity to floss
- Have a minimum of 20 natural teeth, including 4 molars
- Have at least 10 bleeding sites
- Be a non-smoker
Exclusion Criteria:
Subjects will be excluded from the study, if they have any of the following conditions:
- Pregnant or plan to be pregnant within the next 3 months
- Allergic to chlorhexidine or quinine sulphate
- Require pre-medication with antibiotics for dental treatment
- Currently taking antibiotics
- Currently taking Dilantin, Cyclosporin A, Nifedipine or other calcium channel blockers, aspirin or anti-coagulants
- Currently using chlorhexidine or whitening products
- Have active carious lesions
- Have orthodontic braces
- Have more than 2 crowns or bridges
- Have more than 2 implants
- Have full or partial dentures
- Have periodontitis, i.e., pocket depths of 5 mm or more in more than 2 sites in the mouth
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Single Group Assignment
- Masking: Double
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
To determine if dental floss presoaked in 0.12% chlorhexidine is more effective at reducing the signs of gingivitis, such as bleeding, than a dental floss in placebo solution of 0.1% quinine sulphate.
Time Frame: 3 months
|
3 months
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Donald Brunette, Ph.D, University of British Columbia
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- H05-70513
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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