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CTRI Number  CTRI/2025/05/087023 [Registered on: 15/05/2025] Trial Registered Prospectively
Last Modified On: 06/05/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Dentistry 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   A Study to Compare the Effect of Silver Fluoride Treatment With and Without Light on Tooth Decay in Children’s Milk Teeth 
Scientific Title of Study   Comparative evaluation of silver diamine fluoride (sdf) with and without light curing for managing moderate carious lesions in primary teeth : a randomized controlled study 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Shahina khanam 
Designation  junior resident- 1 
Affiliation  Faculty of dental science,KGMU lucknow 
Address  New building,faculty of dental science,4th floor,Room no -4,PG Clinic,KGMU lucknow

Lucknow
UTTAR PRADESH
226003
India 
Phone  08084164138  
Fax    
Email  shahinakhanam.sk@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Richa khanna 
Designation  Professor 
Affiliation  Faculty of dental science,KGMU lucknow 
Address  New building,faculty of dental science,4th floor,Room no -4,PG Clinic,KGMU lucknow

Lucknow
UTTAR PRADESH
226003
India 
Phone  9936038511  
Fax    
Email  richa.bahal@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Richa khanna 
Designation  Professor 
Affiliation  Faculty of dental science,KGMU lucknow 
Address  New building,faculty of dental science,4th floor,Room no -4,PG Clinic,KGMU lucknow

Lucknow
UTTAR PRADESH
226003
India 
Phone  9936038511  
Fax    
Email  richa.bahal@gmail.com  
 
Source of Monetary or Material Support  
New building,faculty of dental science,4th floor,Room no -4,PG Clinic,KGMU lucknow 226003 
 
Primary Sponsor  
Name  Shahina khanam 
Address  New building,faculty of dental science,4th floor,Room no -4,PG Clinic,KGMU lucknow 226003 
Type of Sponsor  Other [self] 
 
Details of Secondary Sponsor  
Name  Address 
NIL  NIL 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Shahina Khanam   King George Medical University,Lucknow  PG clinic ,Room no-4,4th floor,Department of Paediatric and Preventive Dentistry.
Lucknow
UTTAR PRADESH 
08084164138

shahinakhanam.sk@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
King George Medical University UP Institutional Ethics Committee Lucknow  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Healthy Human Volunteers  Participants must have moderate carious lesions on buccal surfaces of primary teeth (ICDAS criteria) and be classified as having a moderate to high risk of caries development (ICCMS™ protocol).  
Patients  (1) ICD-10 Condition: K029||Dental caries, unspecified,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Silver Diamine Flouride  Application of Silver Diamine Fluoride (SDF) directly to the carious lesions without light curing. 
Intervention  Silver Diamine Fluoride with Light curing  Application of Silver Diamine Fluoride (SDF) directly to the carious lesions.Immediate exposure to light-curing with a dental curing light for 20-30 seconds per lesion. 
 
Inclusion Criteria  
Age From  2.00 Year(s)
Age To  5.00 Year(s)
Gender  Both 
Details  1.Patients with moderate/high caries likelihood as classified under ICCMS™ protocol. (International Caries Classification and Management System).
2.Patients presenting with ‘moderate stage carious’ lesions (as per ICDAS merged categories) International Caries Detection and Assessment System on buccal/facial primary tooth surfaces in either maxillary or mandibular arch.
3.Uncooperative children with’ definitely negative’ or ‘negative’ behavioural rating according to Frankl behavioural rating scale. .
4.Patients whose parents give consent to participate in the study.
 
 
ExclusionCriteria 
Details  1.Patient presenting with only ‘initial/extensive stage carious’ lesions (as per ICDAS merged categories).
2.Patient with any metabolic disorder, medically compromised conditions.
3.Patient with tooth developmental defects/anamolies.
4.Patient with previous history of non-invasive/microinvasive caries management interventions.
5.Patients whose parents did not agree to participate in the study.
6.Patients with history of xerostomia or any condition that reduces salivary flow.
 
 
Method of Generating Random Sequence   Permuted block randomization, fixed 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
•To compare the effectiveness of Silver Diamine Fluoride (SDF) with and without light curing in controlling staging of moderate carious lesions limited to dentin in primary teeth as determined by clinical and radiographic examination.  Clinical evaluation: T0 (baseline), T1 (three months post intervention), T2 (six months post intervention) and T3 (nine months post intervention), T4 (twelvemonths post intervention).
Radiographic evaluation: T0 (baseline), T2 (six months post intervention), and T3 (nine months post intervention), T4 (twelve months post intervention).
 
 
Secondary Outcome  
Outcome  TimePoints 
-Change in activity status of carious lesions from baseline
-Parental satisfaction during treatment
-Patient-Reported pain and discomfort during treatment
 
baseline,3 months,6 months,9 months,12 months 
 
Target Sample Size   Total Sample Size="160"
Sample Size from India="160" 
Final Enrollment numbers achieved (Total)= "Applicable only for Completed/Terminated trials"
Final Enrollment numbers achieved (India)="Applicable only for Completed/Terminated trials" 
Phase of Trial   Phase 4 
Date of First Enrollment (India)   02/08/2025 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Applicable only for Completed/Terminated trials 
Estimated Duration of Trial   Years="1"
Months="6"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Not Yet Recruiting 
Publication Details   N/A 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Response - NO
Brief Summary  

Introduction

Dental caries is a prevalent infectious disease that leads to tooth structure disintegration. Traditional treatments such as restorative procedures and extractions can be traumatic, especially for children. Silver diamine fluoride (SDF) has gained attention as a minimally invasive option for caries prevention and arrest. The study aims to assess the impact of light curing on SDF efficacy in controlling moderate carious lesions in primary teeth.

Objective

The primary objective is to compare the effectiveness of SDF with and without light curing in arresting moderate carious lesions in primary teeth using clinical and radiographic evaluations. Secondary objectives include evaluating caries activity, parental satisfaction, and patient-reported pain and discomfort between the two techniques.

Methodology

A randomized controlled study will be conducted at the Department of Pediatric and Preventive Dentistry, King George’s Medical University. Pediatric patients aged 2-5 years with moderate-stage carious lesions will be randomly assigned to two groups:

  • Group A (Intervention): SDF application followed by immediate light curing for 20-30 seconds.
  • Group B (Control): SDF application without light curing.

Caries progression and activity will be assessed using clinical and radiographic examinations over 12 months. Parental satisfaction and patient discomfort will be evaluated using Likert and Visual Analogue Scales. Statistical analysis will be performed to determine the significance of differences between the groups.

Expected Outcome

It is anticipated that light curing will enhance the efficacy of SDF in controlling carious lesions by improving silver ion penetration, increasing dentin hardness, and potentially reducing lesion progression compared to SDF application alone.

Conclusion

The study aims to provide clinical insights into optimizing SDF application for pediatric patients. Findings may contribute to the development of a more effective, patientfriendly caries management protocol, particularly for young children and those with limited access to dental care.

 
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