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CTRI Number  CTRI/2025/05/086766 [Registered on: 13/05/2025] Trial Registered Prospectively
Last Modified On: 10/05/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Dentistry 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   Compare the effect of diode laser and photoactivated disinfection on postoperative pain and periapical healing following root canal treatment – A Randomized Controlled Clinical Trial.. 
Scientific Title of Study   Comparative evaluation of Diode laser and Photoactivated disinfection on endodontic treatment outcome – A Randomized Controlled 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  Samiya Kulsoom 
Designation  Junior Resident 
Affiliation  Dr. Ziauddin Ahmad Dental College, AMU  
Address  Department of Conservative Dentistry and Endodontics, Dr. Ziauddin Ahmad Dental College, Medical road, AMU

Aligarh
UTTAR PRADESH
202001
India 
Phone  7701903485  
Fax    
Email  samiyakulsoom@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Prof. Ashok Kumar 
Designation  Professor 
Affiliation  Dr. Ziauddin Ahmad Dental College, AMU  
Address  Department of Conservative Dentistry and Endodontics, Dr. Ziauddin Ahmad Dental College, Medical road, AMU

Aligarh
UTTAR PRADESH
202001
India 
Phone  9412732327  
Fax    
Email  ashokoperative@yahoo.in  
 
Details of Contact Person
Public Query
 
Name  Samiya Kulsoom 
Designation  Junior Resident 
Affiliation  Dr. Ziauddin Ahmad Dental College, AMU  
Address  Department of Conservative Dentistry and Endodontics, Dr. Ziauddin Ahmad Dental College, Medical road, AMU

Aligarh
UTTAR PRADESH
202001
India 
Phone  7701903485  
Fax    
Email  samiyakulsoom@gmail.com  
 
Source of Monetary or Material Support  
Dr. Ziauddin Ahmad Dental College, Medical road, Aligarh Muslim University, Aligarh, Uttar Pradesh-202001, India 
 
Primary Sponsor  
Name  Samiya Kulsoom 
Address  Department of Conservative Dentistry and Endodontics, Dr. Ziauddin Ahmad Dental College, Medical road, Aligarh Muslim University, Aligarh, Uttar Pradesh-202001, India 
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 Samiya Kulsoom  Dr. Ziauddin Ahmad Dental College, AMU  Department of Conservative Dentistry and Endodontics, OPD NO. 7, Dr. Ziauddin Ahmad Dental College, Medical road, AMU, Aligarh, Uttar Pradesh-202001,India
Aligarh
UTTAR PRADESH 
7701903485

samiyakulsoom@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
INSTITUTIONAL ETHICS COMMITTEE  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: K044||Acute apical periodontitis of pulpal origin,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Diode Laser  Diode Laser will be use for root canal disinfection. Frequency: Each canal will be irradiated twice. Duration: The duration of irradiation per canal is determined by the working length (WL). Its 2 seconds per millimeter of WL, and this is performed for each of the two irradiations. There is also a 30-second interval between the two irradiations in each canal. 
Comparator Agent  Photoactivated Disinfection (PAD)  Photoactivated Disinfection will be use for root canal disinfection. Frequency: The PAD treatment is performed once per canal. Duration: The PAD solution is left in the canal for a contact period of 5 minutes. The solution is agitated with a file for 60 seconds. The emitter tip is activated for 180 seconds in endodontic mode. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  40.00 Year(s)
Gender  Both 
Details  Patients must agree to participate, single rooted teeth with pulp necrosis and symptomatic apical periodontitis, Radiographic evidence of periapical radiolucency with PAI score more than or equal to three  
 
ExclusionCriteria 
Details  Teeth with immature roots.
Calcified canals.
Poor restorative, or periodontal prognosis.
Antibiotic use within the last month.
Anti-inflammatory analgesic use within the last 5 days.
Patients with any uncontrolled systemic disease.
Pregnant or Lactating females.
 
 
Method of Generating Random Sequence   Coin toss, Lottery, toss of dice, shuffling cards etc 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant and Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
Post operative pain  4, 24, 48, and 72-hour postoperative intervals.  
 
Secondary Outcome  
Outcome  TimePoints 
Periapical healing  3, 6 and 12 months after root canal 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 2/ Phase 3 
Date of First Enrollment (India)   01/06/2025 
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="6"
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   The effectiveness of endodontic treatment largely depends on the removal of bacteria and irritants from the root canal prior to obturation. Chemical debridement aids in the elimination of residual tissue and bacterial biofilm, particularly from the non-instrumented region of the root canal system. In recent year, intracanal laser has emerged as an adjunctive treatment for endodontic procedure. The aim of this randomized controlled trial is to evaluate the difference in postoperative pain and periapical healing following root canal treatment with diode laser and photoactivated disinfection used for root canal irrigation. The null hypothesis is that there is no significant difference in postoperative pain and periapical healing between the two treatment methods. 
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