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CTRI Number  CTRI/2025/05/087691 [Registered on: 27/05/2025] Trial Registered Prospectively
Last Modified On: 26/05/2025
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Other (Specify) [Dentistry]  
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   Comparing the effect of topical fluorides on salivary bacteria streptococcus mutans levels and salivary pH in children with early childhood caries  
Scientific Title of Study   Comparing the effect of MI varnish, 38% silver diamine fluoride and nano silver fluoride on salivary streptococcus mutans levels and salivary pH in children with early childhood caries an invivo 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  Dr Ganavi G Nayak 
Designation  Post graduate student 
Affiliation  Rajarajeswari dental college and hospital bengaluru 
Address  Department of pedodontics and preventive dentistry, Rajarajeswari dental college and hospital number 14, ramohalli cross,mysore road,Bengaluru,Karnataka 5600074
Department of pedodontics and preventive dentistry, Rajarajeswari dental college and hospital number 14 ,ramohalli cross, mysuru road , Bangaluru 560074
Bangalore Rural
KARNATAKA
560074
India 
Phone  07624908255  
Fax    
Email  ganavinayak18@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Jaya A R 
Designation  Professor 
Affiliation  Rajarajeswari dental college and hospital bengaluru 
Address  Department of pedodontics and preventive dentistry, Rajarajeswari dental college and hospital, number 14, ramohalli cross, mysore road, Bengaluru

Bangalore Rural
KARNATAKA
560074
India 
Phone  09880038038  
Fax    
Email  jaya.vrushabh@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Ganavi G Nayak 
Designation  Post graduate student 
Affiliation  Rajarajeswari dental college and hospital bengaluru 
Address  Department of pedodontics and preventive dentistry, Rajarajeswari dental college and hospital,number 14, ramohalli cross, mysore road, Bengaluru

Bangalore Rural
KARNATAKA
560074
India 
Phone  07624908255  
Fax    
Email  ganavinayak18@gmail.com  
 
Source of Monetary or Material Support  
Department of pedodontics and preventive dentistry, Rajarajeswari dental college and hospital Number 14, Ramohalli cross,Mysore road,Bengaluru,Karnataka 5600074 
 
Primary Sponsor  
Name  Dr Ganavi G Nayak 
Address  Department of pedodontics and preventive dentistry, Rajarajeswari dental college and hospital Number 14, Ramohalli cross,Mysore road,Bengaluru,Karnataka 5600074 
Type of Sponsor  Private hospital/clinic 
 
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 Ganavi G Nayak  Rajarajeswari dental college and hospital  Department of pedodontics and preventive dentistry, Rajarajeswari dental college and hospital Number 14, Ramohalli cross,Mysore road,Bengaluru,Karnataka 5600074
Bangalore Rural
KARNATAKA 
07624908255

ganavinayak18@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Rajarajeswari dental college and hospital  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: K029||Dental caries, unspecified,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  salivary streptococcus mutans and salivary pH levels  Intergroup evaluation and correlation of salivary streptococcus mutans and salivary pH levels before and after one month and three month topical application of MI varnish,38% silver diamine fluoride and nano silver fluoride on primary carious teeth in children with early childhood caries 
Comparator Agent  salivary streptococcus mutans and salivary pH levels  Intragroup evaluation and correlation of salivary streptococcus mutans and salivary pH levels before and after one month and three month topical application of 38% silver diamine fluoride ( group2) on primary carious teeth in children with early childhood caries. 
Comparator Agent  salivary streptococcus mutans and salivary pH levels   Intragroup evaluation and correlation of salivary streptococcus mutans and salivary pH levels before and after one month and three month topical application of MI varnish ( group1) on primary carious teeth in children with early childhood caries. 
Comparator Agent  salivary streptococcus mutans and salivary pH levels  Intragroup evaluation and correlation of salivary streptococcus mutans and salivary pH levels before and after one month and three month topical application of nano silver fluoride ( group3) on primary carious teeth in children with early childhood caries. 
 
Inclusion Criteria  
Age From  3.00 Day(s)
Age To  6.00 Day(s)
Gender  Both 
Details  1.Children with 3 to 6 years of age of both genders
2.Children with DC greater than or equal to 3 in primary teeth, ICDAS II criteria , CODE 02 and 03
3. Parents giving consent for the study 
 
ExclusionCriteria 
Details  1. Children who received fluoride topical application during the last 1 month
2. Children requiring special health care needs.
3.Pulpally involved and grossly decayed teeth.
4.Children who were on antibiotic therapy within the past 3 months.
5.Children with genetic diseases or syndrome 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   On-site computer system 
Blinding/Masking   Participant Blinded 
Primary Outcome  
Outcome  TimePoints 
Evaluate salivary streptococcus mutans levels and salivary pH before and after application of MI varnish,38% SDF and NSF in children with ECC using ELISA  Base line
1 month
3 month 
 
Secondary Outcome  
Outcome  TimePoints 
Correlation and comparision of intragroup and intergroup salivary streptococcus mutans level and salivary pH levels before and after application of MI varnish,38% SDF and NSF in childrden with ECC using ELISA  Base line
1 month
3 month 
 
Target Sample Size   Total Sample Size="45"
Sample Size from India="45" 
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 2/ Phase 3 
Date of First Enrollment (India)   09/06/2025 
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="2"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Not Yet Recruiting 
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   A total of 45 children who meets the inclusion criteria will be  selected for the study and grouped as follows. Group 1 ( n=15), Group 2( n=15), Group 3( n=15). All subjects will be instructed to refrain from eating and drinking for 1 hour before the saliva sample collection. Pre-intervention unstimulated saliva sample will be collected by spitting method. The patients will be asked to rinse the mouth with filter water twice before the collection. After the oral rinse, Children will be asked to spit the saliva into sterile tubes for a period of 5 min. Then, these tubes will be sealed immediately after sample collection and refrigerated at -20 degree Celsius and stored in laboratory until further analysis. Group I children are treated with MI varnish, Group II with 38% SDF and Group III with NSF   respectively with micro brush and left for 2minutes.Post application instructions will be given. Children are recalled after 1 month and 3 month from the day of application and post -intervention saliva samples will be collected by same procedure as mentioned above and all the samples are subjected to lab to determine the salivary  pH  and S.mutans levels. The results obtained will be subjected to statistical analysis.  
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