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CTRI Number  CTRI/2025/02/079842 [Registered on: 03/02/2025] Trial Registered Prospectively
Last Modified On: 01/02/2025
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Dentistry 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   comparison of usage of adjustable and non adjustable masks on dental professionals 
Scientific Title of Study   Exploring The Relationship Between Headache/Temporomandibular Joint Disorders And Mouth Masks among Dental Professionals: A Cross Over 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  Maaz Vohra 
Designation  PG student 
Affiliation  Saveetha Dental College and Hospitals 
Address  Clinic 24, 4th floor, Department of Prosthodontics, Saveetha Dental College and Hospitals, Poonamallee High Road, Velapanchavadi, Chennai

Chennai
TAMIL NADU
600076
India 
Phone    
Fax    
Email  maazvohra390@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Amrutha Shenoy 
Designation  Assistant Professor 
Affiliation  Saveetha Dental College and Hospitals 
Address  Clinic 24, 4th floor, Department of Prosthodontics, Saveetha Dental College and Hospitals, Poonamallee High Road, Velapanchavadi, Chennai

Chennai
TAMIL NADU
600077
India 
Phone  9819122808  
Fax    
Email  amruthashenoyd.sdc@saveetha.com  
 
Details of Contact Person
Public Query
 
Name  Amrutha Shenoy 
Designation  Assistant Professor 
Affiliation  Saveetha Dental College and Hospitals 
Address  Clinic 24, 4th floor, Department of Prosthodontics, Saveetha Dental College and Hospitals, Poonamallee High Road, Velapanchavadi, Chennai

Chennai
TAMIL NADU
600077
India 
Phone  9819122808  
Fax    
Email  amruthashenoyd.sdc@saveetha.com  
 
Source of Monetary or Material Support  
Saveetha Dental College and Hospitals, Poonamallee high road, Velapanchavadi, Chennai 600077, Tamil Nadu, India 
 
Primary Sponsor  
Name  Saveetha Dental College and Hospitals 
Address  Poonamallee high road, Velapanchavadi, Chennai 600077, Tamil Nadu, India 
Type of Sponsor  Private hospital/clinic 
 
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 Amrutha Shenoy  Saveetha Dental College and Hospitals  Clinic 24, 4th floor, Department of Prosthodontics, Saveetha Dental College and Hospitals, Poonamallee High Road, Velapanchavadi, Chennai, Tamil Nadu, India
Chennai
TAMIL NADU 
9819122808

amruthasehnoyd.sdc@saveetha.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Saveetha Dental College - Institutional Human Ethical Committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Healthy Human Volunteers  Dental Professionals wearing masks for more than 6 hours daily 
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  3 ply mask  Professionals who wore masks for at least 6 hours per day, at baseline (0 months) and at 1 month 
Intervention  N95 mask  Professionals who wore this type of masks for at least 6 hours per day, at baseline (0 months), and at 1 month 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  Dental professionals, including dentists, dental hygienists, dental
assistants, and dental technicians, who possessed a minimum of three years of experience to ensure
regular and prolonged exposure to mask usage in their daily practice. 
 
ExclusionCriteria 
Details  Participants with pre-existing headaches or
Temporomandibular joint disorders, a history of TMJ surgery or interventions, systemic diseases like
rheumatoid arthritis or lupus, pregnant or lactating women, individuals with head or neck trauma in the
past 6 months, those with a history of facial or neck surgery, and participants on opioids or other pain
management medications. 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   An Open list of random numbers 
Blinding/Masking   Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
Pain intensity was evaluated using a 0–10 numerical rating scale (visual
analog scale (VAS) 
baseline (0 month), 1 month, 3 month 
 
Secondary Outcome  
Outcome  TimePoints 
Temporomadibular joint disorders to be assessed using Joint vibration analysis  baseline (0 month), 1 month, 3 month 
 
Target Sample Size   Total Sample Size="112"
Sample Size from India="112" 
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)   21/02/2025 
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="1" 
Recruitment Status of Trial (Global)   Not Yet Recruiting 
Recruitment Status of Trial (India)  Closed to Recruitment of Participants 
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  
Prolonged mask use poses concerns like headaches and temporomandibular disorders (TMDs), yet research on their impact and comprehensive studies, especially for dental practitioners, remain scarce. This study will aim to assess the effectiveness of 3-ply masks versus N95 masks in preventing these issues
 
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