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CTRI Number  CTRI/2025/09/094025 [Registered on: 01/09/2025] Trial Registered Prospectively
Last Modified On: 31/08/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Dentistry 
Study Design  Randomized Factorial Trial 
Public Title of Study   An In Vivo and In Vitro Study on Fluoride Release from Four Restorative Materials and Their Response to Fluoride Recharge 
Scientific Title of Study   Comparative evaluation of fluoride release of four restorative materials and their rechargeability using three topical fluoride agents an in vivo and in vitro 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 Bhagya S Kumar 
Designation  Post Graduate student at Post Graduate Institute of Dental Sciences Rohtak  
Affiliation   
Address  Department of Pediatric and Preventive Dentistry, Post Graduate Institute of Dental Sciences, Rohtak

Rohtak
HARYANA
124001
India 
Phone  7736530525  
Fax    
Email  bhagyasreekumar98@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Ruchi Singhal 
Designation  Associate Professor at Post Graduate Of Dental Sciences , Rohtak 
Affiliation   
Address  Department of Pediatric and Preventive Dentistry, Post Graduate Institute of Dental Sciences, Rohtak

Rohtak
HARYANA
124001
India 
Phone    
Fax    
Email  singhal84ruchi@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Bhagya S Kumar 
Designation  Post Graduate student at Post Graduate Institute of Dental Sciences Rohtak  
Affiliation   
Address  department of pediatric and preventive dentistry, post graduate institute of dental sciences, Rohtak

Rohtak
HARYANA
124001
India 
Phone  7736530525  
Fax    
Email  bhagyasreekumar98@gmail.com  
 
Source of Monetary or Material Support  
nil 
 
Primary Sponsor  
Name  Bhagya S Kumar 
Address  post graduate institute of dental science , rohtak 
Type of Sponsor  Other [self sponsored study] 
 
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 Bhagya S Kumar  Post Graduate Institute of Dental Sciences, Rohtak  Department pf Pediatric and Preventive Dentistry, Room no 19
Rohtak
HARYANA 
7736530525

bhagyasreekumar98@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
biomedical and health research ethics committee, PGIDS ,Rohtak  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: 8||Other Procedures,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  flouride varnish, dentrifice, remineralising agent  Fluoride recharging materials are tested to assess the fluoride release with a control group on day 1,15 and 30 
Intervention  restoration of the tooth   restoration of the decayed tooth is done with a restortive material is done and recarging material is applied and patient is kept under follow up of 30 days with flouride being asessed on day 1,15 and 30 
 
Inclusion Criteria  
Age From  8.00 Year(s)
Age To  10.00 Year(s)
Gender  Both 
Details  children with a single decayed tooth in the oral cavity will be included, participants should be healthy with no prior exposure to topical fluoride (e.g., fluoride gels or varnish) or systemic fluoride 
 
ExclusionCriteria 
Details  those with multiple restored teeth or requiring multiple restorations will be excluded. Medically compromised children and those undergoi ng orthodontic treatment will be excluded.  
 
Method of Generating Random Sequence   Coin toss, Lottery, toss of dice, shuffling cards etc 
Method of Concealment   An Open list of random numbers 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
the flouride content in the salive is measured  base line flouride concentration is measured before the study and after intervention flouride levels in saliva is measured on day 1,15 and 30 
 
Secondary Outcome  
Outcome  TimePoints 
decreased caries incidence in adjacent teeth or reduced rate of recurrent caries in the present tooth  1 year 
 
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   N/A 
Date of First Enrollment (India)   01/11/2025 
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="0"
Months="10"
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   This study examines the fluoride release and rechargeability of dental restorative materials important for long-term caries prevention. We will evaluate four materials (Type 2 GIC, Zirconia-reinforced GIC, Giomer, UDMA-based material) and three topical fluoride agents in in-vitro and in-vivo conditions. In-vitro analysis will track fluoride release and post-recharge effects. In-vivo, 160 children will be restored using the best in-vitro material, with salivary fluoride measured at specified intervals. Our goal is to identify the best-performing materials and agents, thereby offering evidence-based recommendations for pediatric dental care. 
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