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CTRI Number  CTRI/2024/11/077426 [Registered on: 27/11/2024] Trial Registered Prospectively
Last Modified On: 29/07/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Medical Device
Dentistry 
Study Design  Randomized, Parallel Group, Placebo Controlled Trial 
Public Title of Study   Effect Of Low-level Laser Therapy On Reducing Orthodontic Pain during separator placement.  
Scientific Title of Study   Effect Of Low-level Laser Therapy On Reducing Orthodontic Pain – A Split-mouth Study 
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 Adarsh Ninan Sam 
Designation  Post Graduate Student 
Affiliation  Manipal College of Dental Sciences, Manipal 
Address  Department of Orthodontics & Dentofacial Orthopaedics, Manipal College of Dental Sciences, Manipal, Udupi, Karnataka - 576104
Manipal College of Dental Sciences, Madhav Nagar, Manipal, Udupi District, Karnataka
Udupi
KARNATAKA
576104
India 
Phone  8606666155  
Fax    
Email  adarsh1.mcodsmpl2023@learner.manipal.edu  
 
Details of Contact Person
Scientific Query
 
Name  Dr Divya S 
Designation  Associate Professor 
Affiliation  Manipal College of Dental Sciences, Manipal 
Address  Department of Orthodontics & Dentofacial Orthopaedics, Manipal College of Dental Sciences, Manipal, Udupi, Karnataka, India - 576104
Manipal College of Dental Sciences, Madhav Nagar, Manipal, Udupi District, Karnataka, India
Udupi
KARNATAKA
576104
India 
Phone  9632156731  
Fax    
Email  divya.s@manipal.edu  
 
Details of Contact Person
Public Query
 
Name  Dr Adarsh Ninan Sam 
Designation  Post Graduate Student 
Affiliation  Manipal College of Dental Sciences, Manipal 
Address  Department of Orthodontics & Dentofacial Orthopaedics, Manipal College of Dental Sciences, Manipal, Udupi, Karnataka - 576104
Manipal College of Dental Sciences, Madhav Nagar, Manipal, Udupi District, Karnataka
Udupi
KARNATAKA
576104
India 
Phone  8606666155  
Fax    
Email  adarsh1.mcodsmpl2023@learner.manipal.edu  
 
Source of Monetary or Material Support  
Manipal College of Dental Sciences, Manipal, Udupi District, Karnataka, India. - Pin- 576104 
 
Primary Sponsor  
Name  Dr Adarsh Ninan Sam 
Address  Department of Orthodontics & Dentofacial Orthopaedics, Manipal College of Dental Sciences, Manipal, Udupi, Karnataka - 576104 
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 Adarsh Ninan Sam  Manipal College of Dental Sciences  Room No. 7, Department of Orthodontics & Dentofacial Orthopedics, Manipal College of Dental Sciences, Madhav Nagar, Manipal, Udupi, Karnataka - 576104
Udupi
KARNATAKA 
8606666155

adarsh1.mcodsmpl2023@learner.manipal.edu 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee Kasturba Medical College and Kasturba Hospital  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: K088||Other specified disorders of teethand supporting structures,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Low-level laser therapy  0.5-mm posterior elastomeric separators (Optima Separators, Desire Orthodontics, Karnataka) will be inserted at the mesial and distal side of each maxillary first molar. The elastic separator placement time will be kept uniform at 10am +/- 1hr for each patient. After separator placement, the patient will be sent to the Department of Advanced Courses, Manipal College of Dental Sciences, Manipal for the application of Low-Level Laser Application on the treatment side. Patients will be made to wear the protective glasses before the start of treatment, so they will be blinded to the intervention. The side selection for treatment and placebo application will be done using draw method. For the molar to be irradiated, a LLLT will be applied using an Biolase EpicX Diode Laser at 940nm Wavelength in continuous emission mode with 2-4Joules Energy for 20 seconds. (BIOLASE, INC., 4 Cromwell, CA 92618, USA) An initial application of LLLT to be done on the 1st day immediately after the placement of Separator and the second application on the 3rd Day after separator placement. Laser beam to be applied to one point on both the mesial and distal sides of the molar at the level of the cervical third of the root, perpendicular to the mucosa and in direct contact with it. The result will be recorded on Visual Analogue scale by the patient every 12hrs till the 4th day of Low Level Laser therapy application. The total procedure takes approximately 20min from the separator placement till the application of the laser therapy. 
Comparator Agent  Sham Laser  Placebo treatment was implemented by applying the laser device to the other maxillary first molar with the same manner and exposure time compared to the intervention side. Difference will be turning on the device without emitting the laser beam to obtain the placebo effect. The duration for the procedure will be 20min similar to the intervention side. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  24.00 Year(s)
Gender  Both 
Details  1. Good oral hygiene
2. No systemic or periodontal diseases
3. No intake of medications that interfere with pain perception for at least one week before the beginning of the treatment and also during the course of study
4. Intact maxillary first molars and the presence of healthy contact points of the maxillary first molars with adjacent teetH 
 
ExclusionCriteria 
Details  1. The intake of NSAIDs or analgesics during the study.
2. Failing to complete the questionnaire
3. Patient who received previous orthodontic treatment. 
 
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 
To evaluate the effect of Low-Level Laser Therapy in reducing the pain on separator placement in Maxillary 1st Molars.  The timepoints to measure the outcome will be every 12hrs till 4th day from the time of Low Level Laser Therapy Application. (0hrs, 12hrs, 24hrs,36hrs, 48hrs, 60hrs, 72hrs, 96hrs) 
 
Secondary Outcome  
Outcome  TimePoints 
To evaluate the effect of 2 application of low-level laser with 2-4 Joule energy at 940nm wavelength on pain reduction following elastomeric separator placement.  72 weeks 
 
Target Sample Size   Total Sample Size="26"
Sample Size from India="26" 
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 4 
Date of First Enrollment (India)   09/12/2024 
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="6"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
Not Applicable 
Recruitment Status of Trial (India)  Open to Recruitment 
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 will involve randomly selecting patients aged 18-24 who meet the inclusion criteria. Double blinding will be used, where both the statistician and patient will be unaware of the procedures. After obtaining informed consent, patient-specific inclusion criteria will be recorded, and the intervention side will be assigned using a draw method with allocation concealment. Patients will receive posterior elastomeric separators on their maxillary first molars, and LLLT will be applied on the treatment side using a Biolase EpicX Diode Laser. A placebo treatment will be given on the other molar with the same procedure, but no laser emission. Both the laser and placebo treatments will occur at the same time, with patients blinded to the treatment assignment. Pain levels will be assessed using a Visual Analogue Scale (VAS) at various time points after both treatments, with follow-up on days 1 and 3 after separator placement. The evaluation includes pain measurements at multiple intervals (12, 24, 36, 48, 60, 72, 84, 96 hours post-treatment).

 
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