- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05655286
Effectiveness of SDF With Different Post-treatment Protocols in Arresting Dental Caries
The Effectiveness of Silver Diamine Fluoride Treatment With Different Post-treatment Protocols in Arresting Dental Caries in Primary Teeth of Preschool Children
Study Overview
Status
Conditions
Detailed Description
Methods: The randomized double blinded clinical trial will recruit 254 healthy kindergarten children aged 3-5 years old with caries and with parental consent. All the tooth surfaces with carious lesions will receive the semi-annual application of 38% SDF solution. After the treatment, children will be allocated to two groups by an independent research assistant. Two post-treatment protocols are as follows.
Group A - Children are instructed to rinse their teeth with a cup of water containing about 50 ml immediately after SDF treatment. Afterwards, no post-treatment protocol is given to children.
Group B - Children are instructed not to eat and drink for at least 30 minutes. Clinical examinations after 6-months will be conducted to assess whether the caries is arrested. Information on confounding factors, such as oral hygiene habits and the use of other fluoride agents, will be collected through a parental questionnaire at the baseline and 12-months follow-up. The examiner, the children and the children's parents will be blind to the treatment allocation. The analysis will determine the significance of differences between the means of arrested caries at the various follow-ups.
Significance: This study will help determine the optimal post-op treatment in SDF treatment. The study provides an evidence-based protocol for the use of silver diamine fluoride to arrest tooth decay in primary teeth of young children.
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Chun Hung Chu, PhD
- Phone Number: (+852)28590287
- Email: chchu@hku.hk
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- 3-5 year old children attending the first to the third year of kindergarten;
- free from any systemic conditions and generally healthy;
- parents sign informed consent;
- having at least 1 tooth with cavitated dentine carious lesion
Exclusion Criteria:
- are uncooperative to accept oral examination or treatment;
- have a significant systematic disease or long-term medications;
- have abnormal dentition.
- Teeth having signs or symptoms of irreversible pulpitis and non-vitality will be excluded.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Group A- immediately rinse mouth
Children are instructed to rinse their teeth with a cup of water containing about 50 ml immediately after SDF treatment.
Afterwards, no post-treatment protocol is given to children.
|
Children with active caries will receive 38% silver diamine fluoride treatment
After receiving 38% silver diamine fluoride treatment, Children will be asked to rinse their mouths immediately.
|
Experimental: Group B- not to rinse for at least 30 minutes
Children are instructed not to eat and drink for at least 30 minutes.
|
Children with active caries will receive 38% silver diamine fluoride treatment
After receiving 38% silver diamine fluoride treatment, Children will be asked not to rinse their mouths for at least 30 minutes.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Caries status
Time Frame: at 12-month follow-up
|
The proportion of the soft (active) carious tooth lesion surfaces that harden (arrested) at 12 months of follow-up will be measured
|
at 12-month follow-up
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
The visible plaque index (VPI)
Time Frame: at 12-month follow-up
|
Two areas (buccal and lingual) of each of the six index teeth (55/51/63/71/75/83) will be examined and recorded (presence/absence) the status of visible plaque.
|
at 12-month follow-up
|
dmft index
Time Frame: at 12-month follow-up
|
The caries experience will be recorded to assess the caries increment by using dmft index at baseline and 12 months later
|
at 12-month follow-up
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Anticipated)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- HKU20221001
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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