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CTRI Number  CTRI/2024/07/070538 [Registered on: 12/07/2024] Trial Registered Prospectively
Last Modified On: 12/06/2024
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Dentistry 
Study Design  Randomized, Parallel Group, Placebo Controlled Trial 
Public Title of Study   low level laser therapy(photo biomodulation) may decrease the pain after root canal treatment in patients with pulpitis  
Scientific Title of Study   Effect of modified Photo Biomodulation protocols on post operative endodontic pain following single visit endodontics in patients with symptomatic irreversible pulpitis. 
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 KEERTHY P K  
Designation  Post graduate student 
Affiliation  Malabar dental college and research centre, Edappal,Malappuram, Kerala 
Address  Post graduate student,Dept.of Conservative Dentistry and Endodontics,Malabar dental college and research centre, Edappal,Malappuram, Kerala

Malappuram
KERALA
679578
India 
Phone  8129097898  
Fax    
Email  keerthypk1993@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Madhu Hariharan MDS 
Designation  Professor 
Affiliation  Malabar dental college and research centre, Edappal,Malappuram, Kerala 
Address  Professor,Dept.of Conservative Dentistry and Endodontics,Malabar dental college and research centre, Edappal,Malappuram, Kerala

Malappuram
KERALA
679578
India 
Phone  9995296770  
Fax    
Email  hariharanmadhu@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Madhu Hariharan MDS 
Designation  Professor 
Affiliation  Malabar dental college and research centre, Edappal,Malappuram, Kerala 
Address  Professor,Dept.of Conservative Dentistry and Endodontics,Malabar dental college and research centre, Edappal,Malappuram, Kerala

Malappuram
KERALA
679578
India 
Phone  9995296770  
Fax    
Email  hariharanmadhu@gmail.com  
 
Source of Monetary or Material Support  
Malabar dental college and research centre Edappal, Malappuram, Kerala ,India PIN : 679578 
 
Primary Sponsor  
Name  Dr KEERTHY P K 
Address  Post graduate student,Department of Conservative Dentistry and Endodontics, Malabar dental college and research centre , Edappal, Malappuram, Kerala 
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 MADHU HARIHARAN  Malabar dental college and research centre   Dept of Conservative dentistry and Endodontics,Malabar dental college and research centre, Manoor,Edappal,Malappuram,Kerala,India PIN:679578
Malappuram
KERALA 
9995296770

hariharanmadhu@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
INSTITUTION ETHICS COMMITTEE OF MALABAR DENTAL COLLEGE AND RESEARCH CENTRE  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: K040||Pulpitis,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  CONTROL GROUP  laser is placed but not activated 
Intervention  Laser irradiation is done with 810nm laser post root canal treatment   with a dosage of 8J energy i.e, 0.2W for 4sec at the root apices of endodontically treated tooth. 
Intervention  Laser irradiation is done with 810nm laser pre & post root canal treatment   with a dosage of 4J energy in each session i.e, 0.2W for 2sec in each session at the apices of the tooth of interest 
Intervention  Laser irradiation is done with 940 nm laser post root canal treatment  with a dosage of 8J energy i.e, 0.2W for 4sec at the root apices of endodontically treated tooth. 
Intervention  Laser irradiation is done with 940nm laser pre & post root canal treatment  with a dosage of 4J energy in each session i.e, 0.2W for 2sec in each session at the apices of the tooth of interest 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  50.00 Year(s)
Gender  Both 
Details  Patients scheduled for root canal treatment for symptomatic irreversible pulpitis on first or second mandibular molars are included
Patients scheduled for root canal treatment for symptomatic irreversible pulpitis on first or second mandibular molars are included 
 
ExclusionCriteria 
Details  Patients are not included into the study if one of the following criteria applied: severe general disease (ASA classes 3 and 4), pregnancy, known allergies to local anaesthetics , and NSAIDs, acute apical periodontitis , recent history of chronic pain medication
Patients are excluded in case of periodontal probing greater than 3 mm, swelling or sinus tract and tenderness on palpation
 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Participant Blinded 
Primary Outcome  
Outcome  TimePoints 
pre and post operative pain score on non graded VAS scale between 0 to 10  4h,8h,12h,24h and 48h after treatment 
 
Secondary Outcome  
Outcome  TimePoints 
post operative pain score on non graded VAS scale between 0 to 10  7 days after treatment 
 
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   N/A 
Date of First Enrollment (India)   01/10/2024 
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="8"
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  

60 patients requiring endodontic treatments in vital mandibular molar teeth with symptomatic irreversible pulpitis are selected . The patients’ demographic data including age, gender and tooth number are recorded. Patients are provided with a non-numeral 10cm VAS to record their tooth pain. Their preoperative pain values are recorded. A single visit endodontic treatment is advised. The root canal procedures are performed by following a standardized protocol. A final radiograph is taken to confirm the quality of the root filling. Then the patients are randomly allocated for real or sham  laser irradiation. Low level laser is irradiated to the buccal mucosa overlying the apices of the target tooth in the study groups. In the sham group patients received placebo laser to eliminate the probable psychological effects of laser. After laser/sham treatment, each patient is given a home questionnaire and a second appointment is scheduled for permanent tooth restoration one week later. Each patient is given 10 tablets of 500 mg acetaminophen  and are instructed to take them in case of pain. The patients are instructed to record their postoperative pain levels at 4, 8, 12 ,24 and 48h after treatment on separate VAS scales. The patients are contacted by phone on specific hours to remind them to record their pain level. They are also asked to record consumption of analgesic on the questionnaire (dosage and exact time of taking the analgesic).Patients are free to ask for an unscheduled appointment, if needed, which will also be recorded. At the second visit scheduled 1 week later, the patients are asked to return the questionnaires, and their chair side level of pain on palpation and percussion are also recorded on VAS scale.

GROUP 1 :Laser irradiation is done with  940 nm laser post treatment with a dosage of 8J energy.

GROUP 2 :Laser irradiation is done with 810nm laser post treatment with a dosage of 8J energy.

GROUP 3 :Laser irradiation is done with 940nm laser pre & post treatment with a dosage of 4J energy each.

GROUP 4 : Laser irradiation is done with 810nm laser pre & post treatment with a dosage of 4J energy each.

GROUP 5: is the sham group where laser is placed but not activated

EXPECTED OUTCOME- There will be a difference in reduction of post operative endodontic pain intensity following irradiation using 940nm  and 810nm lasers and their modified protocols

 
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