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CTRI Number  CTRI/2019/09/021135 [Registered on: 09/09/2019] Trial Registered Prospectively
Last Modified On: 27/11/2021
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Dentistry 
Study Design  Other 
Public Title of Study   Effect of preparation size and taper on pain and healing after root canal treatment  
Scientific Title of Study   Effect of apical preparation size and taper on post operative pain and outcome of primary endodontic treatment:A prospective clinical study 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  SHAZRA FATIMA 
Designation  Post Graduate student 
Affiliation  Dr.Z.A.D.C 
Address  DEPT. OF CONSERVATIVE DENTISTRY & ENDODONTICS, Dr.Z.A.D.C, A.M.U, ALIGARH
DEPT. OF CONSERVATIVE DENTISTRY & ENDODONTICS, Dr.Z.A.D.C, A.M.U, ALIGARH
Aligarh
UTTAR PRADESH
202001
India 
Phone  08439435025  
Fax    
Email  shazrafatima2008@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  DR ASHOK KUMAR 
Designation  PREFESSOR 
Affiliation  Dr.Z.A.D.C 
Address  DEPT. OF CONSERVATIVE DENTISTRY & ENDODONTICS, DR. Z.A.D.C, A.M.U, ALIGARH.
DEPT. OF CONSERVATIVE DENTISTRY & ENDODONTICS, DR. Z.A.D.C, A.M.U, ALIGARH.
Aligarh
UTTAR PRADESH
202001
India 
Phone  09412732327  
Fax    
Email  ashokoperative@yahoo.in  
 
Details of Contact Person
Public Query
 
Name  SHAZRA FATIMA 
Designation  Post Graduate student 
Affiliation  Dr.Z.A.D.C 
Address  DEPT. OF CONSERVATIVE DENTISTRY & ENDODONTICS, DR.Z.A.D.C, A.M.U, ALIGARH
DEPT. OF CONSERVATIVE DENTISTRY & ENDODONTICS, DR. Z.A.D.C, A.M.U, ALIGARH.
Aligarh
UTTAR PRADESH
202001
India 
Phone  08439435025  
Fax    
Email  shazrafatima2008@gmail.com  
 
Source of Monetary or Material Support  
Dr Ziauddin Ahmad Dental College & hospital, Aligarh Muslim Univeersity, Aligarh (202001), Uttar Pradesh.  
 
Primary Sponsor  
Name  Dr Ziauddin Ahmad Dental College 
Address  Aligarh Muslim University 
Type of Sponsor  Government medical college 
 
Details of Secondary Sponsor  
Name  Address 
SHAZRA FATIMA  A-1, THIRD FLOOR, AL-HAFEEZ APARTMENT, NEW S.S.NAGAR 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
SHAZRA FATIMA  Dr. Z.A.D.C, Aligarh Muslim University, Aligarh  DEPT OF CONSERVATIVE DENTISTRY AND ENDODONTICS
Aligarh
UTTAR PRADESH 
08439435025

shazrafatima2008@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Commettee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: K041||Necrosis of pulp,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Endodontic treatment  Post-operative pain using VAS & healing using Periapical Index score on periapical radiographs will be compared among different groups.  
Intervention  Endodontic treatment  Two groups - Group A (Apical enlargement - two sizes larger than first apical binding file) Group B (Apical enlargement - three sizes larger than first apical binding file) Subgroup A - Taper 4% Subgroup B - Taper 6%  
 
Inclusion Criteria  
Age From  12.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  Mandibular first molar with periapical radioluscency. 
 
ExclusionCriteria 
Details  Patients who are pregnant
Patients who are uncontrolled diabetic
Patients who areimmunocompromised
Previously accessed root canal system with procedural errors 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
Assessment of post operative pain and healing after preparation with different apical size and taper during primary endodontic therapy  6hr, 12hr, 24hr, 36hr, 72hr 
 
Secondary Outcome  
Outcome  TimePoints 
Asessment of healing of periradicular tissues after primary endodontic treatment  3 months, 6months,12 months 
 
Target Sample Size   Total Sample Size="80"
Sample Size from India="80" 
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)   20/09/2019 
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="0"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
Not Applicable 
Recruitment Status of Trial (India)  Closed to Recruitment of Participants 
Publication Details
Modification(s)  
Published in September 2021 in the Journal of Endodontics. 
Individual Participant Data (IPD) Sharing Statement

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

Brief Summary  
The apical third of the root canal is considered to be a critical zone because of presence of large number of ramifications and lateral canals in this region.Recognition of microorganisms in the apical region of root canal has led to the acceptance of enlargement of apical diameter that allows for better penetration of irrigants, thus, optimizing the root canal debridement and disinfection. However, the extent of this enlargement is still a debatable topic.The purpose of this study is to evaluate the effect of apical size enlargement and taper on post-operative pain and the outcome of primary endodontic treatment.
The present study will be prospective clinical study conducted in the Department of Conservative dentistry and Endodontics, Dr. Ziauddin Ahmad Dental College and Hospital. The study will involve two visit root canal treatment with different apical enlargement size and taper of the file system used. Post-operative pain will be evaluated using VAS scale and outcome will be evaluated based on periapical index (PAI) scored on periapical radiograph.

 
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