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CTRI Number  CTRI/2024/02/063158 [Registered on: 26/02/2024] Trial Registered Prospectively
Last Modified On: 01/02/2024
Post Graduate Thesis  No 
Type of Trial  Observational 
Type of Study   Cross Sectional Study 
Study Design  Other 
Public Title of Study   Understanding Jaw Surgery: Comparing Joint Replacement with and without Corrective Jaw Surgery 
Scientific Title of Study   Comparative Finite Element Analysis of Temporomandibular Joint (TMJ) in Patients Undergoing Total Joint Replacement (TJR) with and without Concomitant Orthognathic Surgery  
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 Santhosh Rao 
Designation  Additional proffesor,Oral and maxillofacial surgery,Department of DentistryAIIMS,Raipur 
Affiliation  All India Institute of Medical Sciences, Raipur 
Address  Department of Dentistry,C block,Ground floor,AIIMS,Raipur

Raipur
CHHATTISGARH
492099
India 
Phone  9981525599  
Fax    
Email  santhosh@aiimsraipur.edu.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Santhosh Rao 
Designation  Additional proffesor,Oral and maxillofacial surgery,Department of DentistryAIIMS,Raipur 
Affiliation  All India Institute of Medical Sciences, Raipur 
Address  Department of Dentistry,C block,Ground floor,AIIMS,Raipur

Raipur
CHHATTISGARH
492099
India 
Phone  9981525599  
Fax    
Email  santhosh@aiimsraipur.edu.com  
 
Details of Contact Person
Public Query
 
Name  Dr Santhosh Rao 
Designation  Additional proffesor,Oral and maxillofacial surgery,Department of DentistryAIIMS,Raipur 
Affiliation  All India Institute of Medical Sciences, Raipur 
Address  Department of Dentistry,C block,Ground floor,AIIMS,Raipur

Raipur
CHHATTISGARH
492099
India 
Phone  9981525599  
Fax    
Email  santhosh@aiimsraipur.edu.com  
 
Source of Monetary or Material Support  
All India Institute of Medical Sciences (AIIMS) Raipur  
 
Primary Sponsor  
Name  All India Institute of Medical Sciences (AIIMS) Raipur  
Address  All India Institute of Medical Sciences Raipur Chattisgarh - 492099  
Type of Sponsor  Research institution and hospital 
 
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 Santhosh Rao   All India Institute of Medical Sciences , Raipur   Department of Dentistry C Block, Ground Floor All India Institute of Medical Sciences Raipur CHHATTISGARH 492099
Raipur
CHHATTISGARH 
9981525599

santhosh@aiimsraipur.edu.in 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institute Ethics committee,AIIMS,Raipur  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: M266||Temporomandibular joint disorders,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  NIl  NIl 
Comparator Agent  NIl  NIL 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  45.00 Year(s)
Gender  Both 
Details  . Diagnosis of Unilateral or Bilateral TMJ Ankylosis: Patient must have a
confirmed diagnosis of either unilateral or bilateral TMJ ankylosis based on
clinical evaluation and diagnostic imaging, including CT scans.
2. Availability of DICOM Images: Patient must have high-quality DICOM
images of their TMJ anatomy, which will be used for creating patient
specific TMJ designs and conducting FEA 
 
ExclusionCriteria 
Details  1. Insufficient Diagnostic Information: Patients with incomplete medical
records or insufficient diagnostic information for confirming TMJ ankylosis
will not be included.
2. Previous TMJ Surgical Interventions: Patients who have undergone prior
TMJ surgical procedures, including joint replacement or other surgical
treatments, will be excluded to maintain homogeneity in the study.
3. Other Severe Medical Conditions: Patients with severe medical conditions or
comorbidities that could influence the study outcomes or introduce confounding
variables will not be included 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Quantitative assessment of TMJ biomechanics, including stress distribution, strain, and displacement, as determined through Finite Element Analysis (FEA).  Day 1 
 
Secondary Outcome  
Outcome  TimePoints 
Comparative analysis of TMJ biomechanics between patients undergoing Total Joint Replacement (TJR) with Concomitant Orthognathic Surgery and those undergoing TJR without orthognathic surgery.  Day 1 
 
Target Sample Size   Total Sample Size="2"
Sample Size from India="2" 
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)   01/03/2024 
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="0"
Months="8"
Days="0" 
Recruitment Status of Trial (Global)   Not Yet Recruiting 
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 - YES
  1. What data in particular will be shared?
    Response - Individual participant data that underlie the results reported in this article, after de-identification (text, tables, figures, and appendices).

  2. What additional supporting information will be shared?
    Response -  Study Protocol

  3. Who will be able to view these files?
    Response - Researchers who provide a methodologically sound proposal.

  4. For what types of analyses will this data be available?
    Response - To achieve aims in the approved proposal.

  5. By what mechanism will data be made available?
    Response - Proposals should be directed to [santhosh@aiimsraipur.edu.in].

  6. For how long will this data be available start date provided 30-10-2024 and end date provided 30-04-2027?
    Response - Immediately following publication. No end date.

  7. Any URL or additional information regarding plan/policy for sharing IPD? 
    Additional Information - NIL
Brief Summary   The primary focus of this study is to investigate the biomechanical behavior of the TMJ and assess the performance of novel patient-specific TMJ prostheses. The TMJ is a crucial joint for oral function and overall quality of life. However, it can be afflicted by various conditions, necessitating interventions such as total joint replacement (TJR) using custom-made implants. 

The study of TMJ disorders and associated surgical interventions is a complex yet essential pursuit in the realm of oral and maxillofacial surgery. By merging innovation through patented surgical designs, a groundbreaking application of FEA, and patient-specific CT imaging, this research seeks to advance our knowledge of TMJ surgeries and improve treatment outcomes for individuals suffering from TMJ ankylosis and related conditions. Ultimately, this study aims to contribute significantly to the field of maxillofacial surgery, benefiting patients by enhancing the safety and efficacy of treatments for these challenging conditions. Through these innovations, this research aspires to pave the way for more effective and personalized interventions, ultimately improving the quality of life for individuals affected by TMJ disorders and associated dentofacial deformities. 

This study’s justification lies in its pioneering approach to combine patented TMJ prostheses and finite element analysis, addressing TMJ pathology and dentofacial deformities simultaneously. With limited literature on FEA in TMJ biomechanics, this research fills a critical knowledge gap, promising insights to optimize surgical techniques and patient outcomes. The interdisciplinary nature of this study enhances evidence-based practice, benefiting individuals suffering from TMJ ankylosis and related conditions. By advancing knowledge and improving interventions, this study ultimately aims to enhance patient wellbeing and contribute to the field of maxillofacial surgery.  
 
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