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CTRI Number  CTRI/2025/03/083403 [Registered on: 25/03/2025] Trial Registered Prospectively
Last Modified On: 20/03/2025
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Dentistry 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   This study is done to evaluate the surface topographic changes in single system pediatric rotary files after repeated use using optic profilometer.  
Scientific Title of Study   Evaluation of Surface Topographic Changes In Single System Pediatric Rotary Files Following Repeated Use - A Randomized Clinical Trial 
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 Vignesh Ravindran 
Designation  Reader 
Affiliation  saveetha dental college and hospital 
Address  Clinic 28, Department of Pediatric and preventive dentistry, Saveetha dental college and hospital, No.162, Poonamallee high road, vellapancahavadi, Chennai.

Chennai
TAMIL NADU
600077
India 
Phone  9789934476  
Fax    
Email  vigneshr.sdc@saveetha.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Bhuvaneswari Natarajan 
Designation  Postgraduate student 
Affiliation  saveetha dental college and hospital 
Address  clinic 28, department of pediatric and preventive dentistry,Saveetha dental college and hospital, No.162, Poonamallee high road, vellapancahavadi, Chennai.

Chennai
TAMIL NADU
600077
India 
Phone  8220069215  
Fax    
Email  bhuvanaraj97@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Vignesh Ravindran 
Designation  Reader 
Affiliation  saveetha dental college and hospital 
Address  Clinic 28, Department of paediatric and preventive dentistry, Saveetha dental college and hospital, No.162, Poonamallee high road, vellapancahavadi, Chennai.

Chennai
TAMIL NADU
600077
India 
Phone  9789934476  
Fax    
Email  vigneshr.sdc@saveetha.com  
 
Source of Monetary or Material Support  
nil 
 
Primary Sponsor  
Name  Dr Bhuvaneswari Natarajan 
Address  Saveetha dental college and hospitals, No.162, Poonamallee high road vellapanchavadi Chennai 
Type of Sponsor  Other [SELF] 
 
Details of Secondary Sponsor  
Name  Address 
Dr Vignesh Ravindran  Saveetha dental college and hospitals, No.162, Poonamallee high road vellapanchavadi Chennai 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
DR VIGNESH R  Saveetha dental college and hospitals  Clinic 28,Department of pediatric and preventive dentistry,Saveetha dental college and hospital, No.162, Poonamallee high road, vellapancahavadi,
Chennai
TAMIL NADU 
9789934476

vigneshr.sdc@saveetha.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
SAVEETHA DENTAL COLLEGE AND HOSPITALS INSTITUTIONAL ETHICS COMMITTEE  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Healthy Human Volunteers  CHRONIC IRREVERSIBLE PULPITIS 
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Kedo Nano plus  topographic changes and cutting edge efficiency will be assessed at baseline,1st use,3rd use,6th use,9th use,12th use, and 15th use. one tooth will be counted as one use. 
Intervention  Kedo S Plus  topographic changes and cutting edge efficiency will be assessed at baseline,1st use,3rd use,6th use,9th use,12th use, and 15th use. one tooth will be counted as one use. 
Intervention  Kedo S square  topographic changes and cutting edge efficiency will be assessed at baseline,1st use,3rd use,6th use,9th use,12th use, and 15th use. one tooth will be counted as one use. 
 
Inclusion Criteria  
Age From  5.00 Year(s)
Age To  8.00 Year(s)
Gender  Both 
Details  Teeth indicative of pulpectomy and primary molars with only three roots 
 
ExclusionCriteria 
Details  Primary anterior teeth and primary molars with more than three roots. 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   An Open list of random numbers 
Blinding/Masking   Participant Blinded 
Primary Outcome  
Outcome  TimePoints 
Surface topographic changes   at baseline,3rd use,5th use,9th use,12th use and 15th use of the file. 
 
Secondary Outcome  
Outcome  TimePoints 
Cutting efficiency of the file  At baseline,3rd use,5th use,9th use,12th use & 15th use of the file. 
 
Target Sample Size   Total Sample Size="30"
Sample Size from India="30" 
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)   31/03/2025 
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="3"
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 aims to assess the surface topographic changes in single-system pediatric rotary files after multiple uses in primary teeth using stereomicroscope. A randomized clinical trial will be conducted on extracted primary teeth requiring pulpectomy. Pediatric rotary files will be used for root canal preparation and categorized based on the number of uses (e.g., new, after 3 uses, after 5 uses). Surface characteristics will be evaluated using stereomicroscope to detect wear, deformation, or micro-fractures. Data will be statistically analyzed to determine the impact of repeated use on file integrity. The study aims to provide insights into the safe usage limits of pediatric rotary files, ensuring effective and safe endodontic treatment in children while minimizing instrument failure risks. Findings will guide clinicians on the longevity and safety of pediatric rotary files, optimizing their clinical application and enhancing patient safety.  

 
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