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CTRI Number  CTRI/2025/09/095304 [Registered on: 23/09/2025] Trial Registered Prospectively
Last Modified On: 22/09/2025
Post Graduate Thesis  No 
Type of Trial  Observational 
Type of Study   Cross Sectional Study 
Study Design  Other 
Public Title of Study   Association of forward head posture with the risk of jaw joint disorders in 15–16-year-old school students. 
Scientific Title of Study   Association of Forward Head Posture with Risk of Temporomandibular Joint Disorders in 15–16-Year-Old School Students: A Cross-Sectional 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 Zameera Naik 
Designation  Professor 
Affiliation  KLE Vishwanath Katti Institute of Dental Sciences 
Address  Department of Oral Medicine and Radiology KLE Vishwanath Katti Institute of Dental Sciences, KLE Academy Of Higher Education And Research, JNMC Campus, Nehru Nagar
KAHER’s KLE Vishwanath Katti Institute of Dental Sciences,
Belgaum
KARNATAKA
590010
India 
Phone  9448854710  
Fax    
Email  drznaik@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Zameera Naik 
Designation  Professor 
Affiliation  KLE Vishwanath Katti Institute of Dental Sciences 
Address  Department of Oral Medicine and Radiology KLE Vishwanath Katti Institute of Dental Sciences, KLE Academy Of Higher Education And Research, JNMC Campus, Nehru Nagar
KAHER’s KLE Vishwanath Katti Institute of Dental Sciences,

KARNATAKA
590010
India 
Phone  9448854710  
Fax    
Email  drznaik@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Pavithra G 
Designation  Postgraduate student 
Affiliation  KLE Vishwanath Katti Institute of Dental Sciences 
Address  Department of Oral Medicine and Radiology KLE Vishwanath Katti Institute of Dental Sciences, KLE Academy Of Higher Education And Research, JNMC Campus, Nehru Nagar
Belgaum
Belgaum
KARNATAKA
590010
India 
Phone  9677533351  
Fax    
Email  paviviji75@gmail.com  
 
Source of Monetary or Material Support  
KLE VK Institute of Dental Sciences, JNMC campus, Nehru nagar, Belagavi-590010 Karnataka-India. 
 
Primary Sponsor  
Name  Dr Zameera Naik 
Address  Department of Oral Medicine and Radiology, KLE Vishwanath Katti Institute of Dental Sciences, KLE Academy of Higher Education And Research, JNMC campus, Nehru nagar, Belgaum,Karnataka-590010, India 
Type of Sponsor  Other [Self funded] 
 
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 Zameera Naik  St. Theresa English Convent School  Hidkal Dam,
Belgaum
KARNATAKA 
09448854710

drznaik@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Research and Ethics Committee KLE VKIDS  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: M259||Joint disorder, unspecified,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Nil  Nil 
 
Inclusion Criteria  
Age From  15.00 Year(s)
Age To  16.00 Year(s)
Gender  Both 
Details  Willing participants with informed assent and parental consent. 
 
ExclusionCriteria 
Details  1. Children with congenital craniofacial anomalies or skeletal deformities.
2. History of trauma to the head, neck, or face.
3. Ongoing or past orthodontic or orthognathic treatment.
4. Children with neuromuscular disorders or diagnosed psychiatric illness.
 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Prevalence of forward head posture — measured by craniovertebral angle less than or equal to 48 degree, assessed at baseline.

Presence of TMD — based on DC/TMD criteria and Fonseca’s Questionnaire score, assessed at baseline. 
Baseline-since its a cross-sectional study  
 
Secondary Outcome  
Outcome  TimePoints 
Association between severity of smartphone addiction & forward head posture

Gender distribution of FHP & TMD in the study population 
Baseline- since its a cross-sectional study 
 
Target Sample Size   Total Sample Size="110"
Sample Size from India="110" 
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)   20/10/2025 
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="0"
Months="3"
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  

Data Collection Procedure

1. Smart phone use evaluation will be done using The Smartphone Addiction Scale(2013)

1. Assessment of Forward Head Posture, by two Physiotherapists

  • Each participant will be asked to stand in their natural relaxed posture.
  • Colored markers will be placed on anatomical landmarks: the tragus of the ear and the spinous process of the 7th cervical vertebra (C7).
  • Lateral photographs will be taken from a fixed distance of 1.5 meters using a digital camera. Three times the photographs will be taken and a mean value will be considered.
  • The craniovertebral angle (CVA) will be measured using digital software (Adobe Acrobat Reader or Posture Screen Mobile App).
  • A CVA less than or equal to 48 degree will be considered indicative of forward head posture.

2. Assessment of Temporomandibular Disorders by a Dentist

  • TMD screening will be carried out using Diagnostic Criteria for Temporomandibular Disorders (DC/TMD) Axis I, including:
    • Pain on palpation of the TMJ and masticatory muscles.
    • Joint sounds (clicking, crepitus) during jaw movement.
    • Limitations or deviations during mouth opening.
    • Fonseca Questionnaire-based history of headaches, jaw locking, bruxism, or clenching.
 
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