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CTRI Number  CTRI/2018/04/013387 [Registered on: 20/04/2018] Trial Registered Retrospectively
Last Modified On: 18/04/2018
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Dentistry 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   Checking the differences in the biting forces between healthy people and people having pain in the jaw joint  
Scientific Title of Study   “DIGITAL EVALUATION OF FUNCTIONAL OCCLUSAL PARAMETERS USING 3D OCCLUSAL ANALYSIS SYSTEM (TEK SCAN) AND THEIR ASSOCIATION WITH TEMPOROMANDIBULAR DISORDERS. 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr THUMULA RESHMI 
Designation  Post graduate student  
Affiliation  VISHNU DENTAL COLLEGE BHIMAVARAM 
Address  Department Of Oral Medicine And Radiology Room 1 Block 3 Vishnu Dental College Vishnupur Bhimavaram

West Godavari
ANDHRA PRADESH
534202
India 
Phone  7036192874  
Fax    
Email  reshi.thumula@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr K Jyothirmai 
Designation  Reader 
Affiliation  Vishnu Dental College 
Address  Department Of Oral Medicine And Radiology Room 1 Block 3 Vishnu Dental College Vishnupur Bhimavaram

West Godavari
ANDHRA PRADESH
534202
India 
Phone  9866432477  
Fax    
Email  jyothirmaik2006@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr K Jyothirmai 
Designation  Reader 
Affiliation  Vishnu Dental College 
Address  Department Of Oral Medicine And Radiology Room 1 Block 3 Vishnu Dental College Vishnupur Bhimavaram

West Godavari
ANDHRA PRADESH
534202
India 
Phone  9866432477  
Fax    
Email  jyothirmaik2006@gmail.com  
 
Source of Monetary or Material Support  
Room 1, Block 3 Vishnu Dental College, Vishnupur,Bhimavaram. pin code 534202, Andhra pradesh. 
 
Primary Sponsor  
Name  Dr Thumula Reshmi 
Address  Department of Oral Medicine and Radiology 
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 Thumula reshmi  Vishnu dental college  Department of Oral Medicine and Radiology Room number 1 Block number 3 Vishnu dental college Vishnupur Bhimavaram
West Godavari
ANDHRA PRADESH 
7036192874

reshi.thumula@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional ethical commitee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  Temporomandibular disorder patients,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Tek scan in diagnosis of Temporomandibular disorders  Evaluation of occlusal disharmony using Tek scan for 15 minutes for one time and their association with Temporomandibular disorders patients. Scan is taken once 
Comparator Agent  Tek scan in normal healthy individuals  evaluation of occlusion using Tek scan for 15 minutes for one time in normal healthy individuals.Scan is taken once 
 
Inclusion Criteria  
Age From  15.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  Temporomandibular disorder Group
1. Temporomandibular joint sounds
(clicking or crepitation)
2. Temporomandibular jointlocking
episodes.
3. Limited mandibular opening.
4. Painful limitation of mandibular movements.
5. Tenderness to palpation of the Temporomandibular joint or of the masticatory muscles.

CONTROL GROUP : Age and gender matched patients without any signs of Temporomandibular disorders


 
 
ExclusionCriteria 
Details  1. Patients with developmental anomalies of temporomandibular joint.
2. Patients with a history of fractures to temporomandibular joint.
3. Patients with systemic and/or localized maxillofacial disease.
4. Patients with ear and neural disorders.
5. Patients who are not willing to participate in the study
 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Effect of occlusion as an etiological factor in the onset of temporomandibular disorders   Effect of occlusion as an etiological factor in the onset of temporomandibular disorders -15 minutes 
 
Secondary Outcome  
Outcome  TimePoints 
impact of occlusal variations on the health and integrity of temporomandibular joint   impact of occlusal variations on the health and integrity of temporomandibular joint -15 minutes 
 
Target Sample Size   Total Sample Size="44"
Sample Size from India="44" 
Final Enrollment numbers achieved (Total)= "44"
Final Enrollment numbers achieved (India)="44" 
Phase of Trial   Post Marketing Surveillance 
Date of First Enrollment (India)   04/01/2016 
Date of Study Completion (India) 14/07/2017 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Date Missing 
Estimated Duration of Trial   Years="1"
Months="6"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Completed 
Publication Details   None yet 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Brief Summary   This is a comparitive observational study to assess the impact of occlusal disharmony in the onset of Temporomandibular disorders using three dimensional occlusal analysis system (Tek scan).A total of 44 subjects (19 males and 25 females) within the age range of 15 -65 years were included in the present study and subjects with presence of signs and symptoms of TMD according to research diagnostic criteria (RDC) were grouped into the TMD category and the subjects who were free from the signs and symptoms were included into the control group. A complete intraoral examination of hard tissues was done and the details regarding the type of occlusion i.e. whether the subject is having canine-guided or group function occlusion and type of occlusal interferences i.e. whether the subject is having on the balancing side or working side or during protrusive movements clinically and were also evaluated using articulating paper. Only the subjects having the occlusal interferences and clinical signs and symptoms were included in the study under TMD group. Imaging of TMJ was done according to the requirement to confirm TMD. Based on the clinical signs and symptoms and radiographic signs subjects were given an appropriate diagnosis according to RDC criteria. Various categories included were myofascial pain, disc displacement with reduction, disc displacement without reduction, subluxation of the condyles, TMJ arthritis. Occlusal evaluation was done for all subjects in study and control groups using T-scan (Teck scan) VIII under 3 parameters i.e. occlusion time, disocclusion time in 3 excursive movements and percentage difference in the distribution of forces in between the right and the left halves of the arches and comparisons were made between two groups.Data analysis depicted that occlusal parameters like occlusion time, disocclusion time in right, left and protrusive movements were significantly high for the subjects in the TMD group than the control group.

 
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