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CTRI Number  CTRI/2025/08/092627 [Registered on: 07/08/2025] Trial Registered Prospectively
Last Modified On: 04/08/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Dentistry
Other (Specify) [Therapeutic]  
Study Design  Randomized, Parallel Group, Multiple Arm Trial 
Public Title of Study   Comparing Irrigation Techniques for Root Canal Treatment: A Study on Pain Relief and Cleaning Effectiveness of Different Root Canal Irrigants in Adult Teeth with Dead Pulp 
Scientific Title of Study   Comparative Evaluation of the Depth of Penetration and Postoperative Pain Associated with the Use of Standard Irrigation Protocol and Continuous Chelation Using HEBP with and Without the Use of Ultrasonic Activation in the Endodontic Treatment of Adult Permanent Teeth with Necrotic Pulp A Randomized Controlled 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 Krishma Mehra 
Designation  Post Graduate Student 
Affiliation  Himachal Dental College and Hospital 
Address  Department of conservative dentistry and endodontics, Himachal Dental college and hospital, Sunder Nagar, District Mandi

Mandi
HIMACHAL PRADESH
175019
India 
Phone  09736066980  
Fax  01907267183  
Email  Krishma.mehra@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Munish Goel 
Designation  Professor and Head of Department 
Affiliation  Himachal Dental College and Hospital 
Address  Department of conservative dentistry and endodontics, Himachal Dental college and hospital, Sunder Nagar, District Mandi

Mandi
HIMACHAL PRADESH
175019
India 
Phone  9816034034  
Fax  01907267183  
Email  goelmuni2012@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Munish Goel 
Designation  Professor and Head of Department 
Affiliation  Himachal Dental College and Hospital 
Address  Department of conservative dentistry and endodontics, Himachal Dental college and hospital, Sunder Nagar, District Mandi

Mandi
HIMACHAL PRADESH
175019
India 
Phone  9816034034  
Fax  01907267183  
Email  goelmuni2012@gmail.com  
 
Source of Monetary or Material Support  
Department of Conservative Dentistry and endodontics, Himachal Dental College and Hospital, Sundarnagar, Mandi, Himachal Pradesh, 175019 
 
Primary Sponsor  
Name  Dr. Krishma Mehra 
Address  Department of conservative dentistry and endodontics, Himachal Dental college and hospital, Sunder Nagar, District Mandi 
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 Krishma Mehra  Himachal Dental College and Hospital  Department of Conservative Dentistry and Endodontics Himachal Dental College and Hospital Sundernagar
Mandi
HIMACHAL PRADESH 
09736066980
01907267183
Krishma.mehra@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional ethical committee of Himachal Dental College and Hospital Sundernagar  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  Continuous chelation using HEBP with ultrasonic activation  Final irrigation with 9 percent HEBP 3 percent NaOCl, followed by the use of saline Irrigant solution will be ultrasonically agitated with an ultrasonic activator 
Intervention  Continuous chelation using HEBP  Canal irrigation with 9 percent HEBP 3 percent NaOCl after the use of each file 
Comparator Agent  Standard Irrigation with EDTA during Root canal treatment  Canal irrigation with 3% NaOCl after the use of each file 17% EDTA will be used, followed by saline for avoiding potential carry-over effects of the irrigant 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  45.00 Year(s)
Gender  Both 
Details  Adult permanent asymptomatic teeth with necrotic pulp requiring non
surgical endodontic treatment
Teeth whose non-vitality was confirmed by an electric pulp tester (EPT)
and thermal sensitivity testing
Feasibility of isolating the tooth with a rubber dam
Vertucci Type I and Type IV root canal anatomy
Participants with the ability to understand the consent forms and the pain
record scales 
 
ExclusionCriteria 
Details  Nonvital tooth with periapical lesion
Patients with spontaneous preoperative pain
Patients who had taken Nonsteroidal anti-inflammatory drugs or any other
analgesic for pain within the last 4–8 h
Teeth with calcified root canals and complex root canal anatomy.
Teeth with open apices, and resorbed apex
Periodontally compromised teeth
The patient who is not willing to give consent for the study
Patients with known allergies to the materials used in the study 
 
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   Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
Outcome will be assessed on clinical evaluation and radiographic assessment  6 hours and 48 hours 
 
Secondary Outcome  
Outcome  TimePoints 
Outcome will be assessed on clinical evaluation and radiographic assessment  During treatment 
 
Target Sample Size   Total Sample Size="75"
Sample Size from India="75" 
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 3 
Date of First Enrollment (India)   01/09/2025 
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="1"
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   The study compares traditional NaOCl/EDTA sequential irrigation with continuous chelation using HEBP and NaOCl, with or without ultrasonic activation, in adult teeth with necrotic pulp. Mechanical instrumentation alone may leave 35% of the canal untouched, so irrigants are vital. Continuous chelation simplifies procedures and maintains NaOCl’s antibacterial potency while reducing structural damage. The goal is to assess which method offers deeper irrigant penetration and minimizes postoperative pain.  
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