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CTRI Number  CTRI/2026/01/102495 [Registered on: 30/01/2026] Trial Registered Prospectively
Last Modified On: 29/01/2026
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Dentistry 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   To compare and evaluate the amount of penetration of radiopaque dye and reduction of pain after completion of root canal preparation using different types of root canal irrigants in root canal treatment. 
Scientific Title of Study   Comparative evaluation of apical depth penetration and postoperative pain using 9% 1-Hydroxyethylidene-1, 1-Diphosphonic Acid (HEDP) as continuous chelation and 5% glycolic acid, 10% glycolic acid,17% EDTA as sequential chelation using sonic irrigation technique in symptomatic vital teeth: A double blinded 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 Vineeta Nikhil 
Designation  Head of Department 
Affiliation  Subharti Dental College and Hospital/Swami Vivekanand Subharti University 
Address  Room no 8, third floor, Subharti Dental College and Hospital, Swami Vivekanand Subharti University, NH 58 Delhi Haridwar by pass road Meerut
NH 58 Delhi Haridwar by pass road
Meerut
UTTAR PRADESH
250005
India 
Phone  9639002866  
Fax    
Email  endobyvineeta@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Vineeta Nikhil 
Designation  Head of Department 
Affiliation  Subharti Dental College and Hospital/Swami Vivekanand Subharti University 
Address  Room no 8, third floor, Subharti Dental College and Hospital, Swami Vivekanand Subharti University, NH 58 Delhi Haridwar by pass road Meerut
NH 58 Delhi Haridwar by pass road
Meerut
UTTAR PRADESH
250005
India 
Phone  9639002866  
Fax    
Email  endobyvineeta@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Vineeta Nikhil 
Designation  Head of Department 
Affiliation  Subharti Dental College and Hospital/Swami Vivekanand Subharti University 
Address  Room no 8, third floor, Subharti Dental College and Hospital, Swami Vivekanand Subharti University, NH 58 Delhi Haridwar by pass road Meerut
NH 58 Delhi Haridwar by pass road
Meerut
UTTAR PRADESH
250005
India 
Phone  9639002866  
Fax    
Email  endobyvineeta@gmail.com  
 
Source of Monetary or Material Support  
Subharti Dental College and Hospital, NH 58 bypass road, Meerut, India, 250005 
 
Primary Sponsor  
Name  Department of Conservative Dentistry and Endodontics 
Address  Room no 08, third floor, Subharti Dental College and Hospital, NH 58 bypass road, Meerut, Uttar Pradesh, 250005, India 
Type of Sponsor  Research institution and hospital 
 
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 Vineeta Nikhil  Subharti Dental College and Hospital  Room no 8, third floor, Department of Conservative Dentistry and Endodontics, Subharti Dental College and Hospital, NH 58 bypass road, Meerut, 250005
Meerut
UTTAR PRADESH 
9639002866

endobyvineeta@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
University Ethical Committee (Medical) Swami Vivekanand Subharti University  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: K049||Other and unspecified diseases ofpulp and periapical tissues,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  10% glycolic acid will be used as root canal irrigant   During root canal preparation along with NaOCl 10% glycolic acid will be used as root canal irrigant after each file 
Comparator Agent  5% glycolic acid will be used as root canal irrigant  During root canal preparation along with NaOCl 5% glycolic acid will be used as root canal irrigant after each file 
Comparator Agent  9% 1-Hydroxyethylidene-1, 1-Diphosphonic Acid (HEDP) will be used as root canal irrigant  During root canal preparation along with NaOCl, 9% 1-Hydroxyethylidene-1, 1-Diphosphonic Acid (HEDP) will be used as root canal irrigant after each file 
Intervention  Root canal irrigation with 17% EDTA  During root canal preparation along with NaOCl, 17% EDTA will be used as a root canal irrigant after every file. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  40.00 Year(s)
Gender  Both 
Details  1. Adult patients aged between 18-40 years.
2. Adult permanent symptomatic anterior or
posterior teeth requiring treatment.
3. Pain at NRS scale above 4 cm level.
4. Feasibility of isolation of the tooth with
a rubber dam.
5. Participants with the ability to
understand the consent forms 
 
ExclusionCriteria 
Details  1. Perforation cases
2. Periodontally compromised tooth.
3. Patients not willing for the treatment
4. Patients allergic to iodine.
5. Non-negotiable canals 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   On-site computer system 
Blinding/Masking   Participant and Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
To evaluate and compare the apical depth penetration using 9% HEDP in combination with Sodium hypochlorite (NaOCl), 5% glycolic acid, 10% glycolic acid, and 17% EDTA as sequential chelation using sonic irrigation technique in symptomatic vital teeth.  After procedure 
 
Secondary Outcome  
Outcome  TimePoints 
To evaluate and compare the post-operative pain using 9% HEDP in combination with Sodium hypochlorite (NaOCl), 5% glycolic acid, 10% glycolic acid, and 17% EDTA as sequential chelation using sonic irrigation technique in symptomatic vital teeth.  Post operative pain will be checked after 6, 24 and 48 hours.  
 
Target Sample Size   Total Sample Size="60"
Sample Size from India="60" 
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/ Phase 4 
Date of First Enrollment (India)   10/02/2026 
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)   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 will compare four different irrigation protocols in root canal treatment to assess their effectiveness in irrigant penetration and post-operative pain.

 

Patient selection

 

Patients who will fulfil inclusion criteria will be randomly divided into four groups:

 

Group 1: Sequential chelation with 2.5% NaOCl and 17% EDTA.

Group 2: Sequential chelation with 2.5% NaOCl and 5% Glycolic acid.

Group 3: Sequential chelation with 2.5% NaOCl and 10% Glycolic acid.

Group 4:  Continuous chelation with 9% HEDP + 2.5% NaOCl.

 

Root canal procedure:

 

Patients will be anesthetized, isolated with a rubber dam, and canals will be accessed and prepared with ProTaper Gold instruments.

All four groups will receive irrigation after each file according to their respective group.

 

Irrigant penetration evaluation:

 

After final irrigation, 1 ml of radio-opaque dye will be injected into the canal and a radiograph will be taken to evaluate the irrigant penetration.

 

Post-operative procedure:

 

After drying the canals, the tooth will be temporarily sealed, and patients will return for obturation and post-operative restoration.

 

Pain evaluation:

 

Post-operative pain is recorded at 6, 24, and 48 hours using the NRS pain scale. If pain persists, patients will be prescribed an escape drug and excluded from the study.

 

This study aims to determine which irrigation method provides better irrigant penetration and reduces post-operative pain.

 
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