- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02605382
Efficacy of 0.12% Chlorhexidine Gluconate for Peri-implant Mucositis
Efficacy of 0.12% Chlorhexidine Gluconate for Non-surgical Treatment of Peri-implant Mucositis
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Determination of the sample size was based on the sample calculation for clinical trials, estimating a 50% success rate for the control group and 100% for the test group, which was then averaged for the two groups. With a standardized difference and power test of 85%, a total of 28 subjects per group were obtained.
Periapical radiographic examinations were performed before the collection of data to confirm the absence of bone loss, and threads exposition of the implants. The following clinical parameters were evaluated in both test and control groups; visible plaque index (VPI) and gingival bleeding index (GBI) were obtained for full mouth (IPV and ISG) and for each implant (VPI implant; GBI implant). For statistical purposes, percentages of faces with biofilm and marginal bleeding at teeth and implants were calculated. These parameters were evaluated at baseline and at one, three and six months post-therapy.
Keratinized mucosa width (KM), probing depth (PD implant), and bleeding on probing (BOP implant) were collected for all implants with a North Carolina periodontal probe at six sites. After data collection, an arithmetic averages of the sites with bleeding on probing, probing depths, and keratinized mucosa were calculated at baseline, three and six months. The peri-implant biotype for each implant was rated as thin or thick, according to probe transparency during probing depth.
Clinical parameters were collected by two operators, calibrated by the Kappa test for the keratinized mucosa, peri-implant biotype and probing depth.
After inclusion of the patients, anamnesis and initial examination were performed. The subjects were randomly divided, using a simple draw, in the following two groups: Test - (0.12% chlorhexidine digluconate associated with periodontal basic therapy) and Control - (placebo associated with periodontal basic therapy). Data were analyzed using descriptive and inferential statistics, with nonparametric tests, through a Statistical Package Social Sciences software (SPSS), version 17.0 (free version). The Friedman test was used for intragroup analysis and if any significant differences were observed, the Wilcoxon post-test was performed. Additionally, Mann-Whitney test was used for intergroup analysis. Chi-Square test was used to evaluate probing depth and bleeding on probing, according to the independent variables of interest: age, sex, treatment group, keratinized mucosa, peri-implant biotype, median VPI implant and GBI implant. Spearman correlation was also used to correlate probing depth and bleeding on probing after six months of follow-up. The implant was considered the unit of analysis and a value of p<0.05 was used to represent a statistically significant difference.
Study Type
Enrollment (Actual)
Phase
- Phase 2
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Systemically-healthy partially edentulous patients rehabilitated with functional dental implants and prostheses for at least 1 year;
- Patients had been diagnosed with peri-implant mucositis, probing depth up to 5 mm, bleeding on probing and no radiographic evidence of bone loss beyond the first two threads of the implant.
Exclusion Criteria:
- Non-smokers and not in maintenance therapy;
- Periodontal treatment during the last six months;
- Have not used antimicrobial (systemic or topical), anti-inflammatory or immunosuppressive drugs during the six months preceding the study.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: chlorhexidine gluconate
15 ml of solution every 12 hours, twice a day, 30 minutes after brushing, for 14 days
|
Other Names:
|
Placebo Comparator: placebo
15 ml of solution every 12 hours, twice a day, 30 minutes after brushing, for 14 days
|
Solution chemical manufactured to mimic 0.12% chlorhexidine mouthwash
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Bleeding on probing
Time Frame: baseline
|
baseline
|
Bleeding on probing
Time Frame: three months
|
three months
|
Bleeding on probing
Time Frame: six months
|
six months
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Probing depth
Time Frame: baseline and at three and six months
|
baseline and at three and six months
|
Collaborators and Investigators
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
- UFRN
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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