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CTRI Number  CTRI/2025/03/082650 [Registered on: 18/03/2025] Trial Registered Prospectively
Last Modified On: 18/03/2026
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Dentistry 
Study Design  Non-randomized, Active Controlled Trial 
Public Title of Study   A study to check how accurate is digital record of a patients bite for replacing missing teeth and how the record differs when there is a specific stop present on the last tooth in patients with one or two missing teeth. 
Scientific Title of Study   COMPARISON OF DIGITAL INTEROCCLUSAL RECORD ACCURACY AND OCCLUSAL DISCREPANCY ON TERMINAL ABUTMENT WITH AND WITHOUT PRESERVING VERTICAL STOP AN IN VIVO 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 Rupa G 
Designation  Post graduate Student 
Affiliation  Bapuji dental College and Hospital 
Address  Room No7, 2nd floor, Department of Prosthodontics and crown and bridge, Bapuji Dental College And Hospital

Davanagere
KARNATAKA
577004
India 
Phone  09164097989  
Fax    
Email  drrupagopal006@gmail.com  
 
Details of Contact Person
Scientific Query  
Name  Dr Sunitha N Shamnur 
Designation  Professor  
Affiliation  Bapuji dental College and Hospital 
Address  Room No7, 2nd floor, Department of Prosthodontics and Crown and Bridge, Bapuji Dental College And Hospital

Davanagere
KARNATAKA
577004
India 
Phone  9449822941  
Fax    
Email  sunithanshamnur@gmail.com  
 
Details of Contact Person
Public Query  
Name  Dr Rupa G 
Designation  Post graduate sStudent 
Affiliation  Bapuji dental College and Hospital 
Address  Room No7,2nd floor, Department of prosthodontics and crown and bridge, Bapuji Dental College And Hospital


KARNATAKA
577004
India 
Phone  09164097989  
Fax    
Email  drrupagopal006@gmail.com  
 
Source of Monetary or Material Support  
Bapuji dental college and hospital, Post box No326, MCC B block, Davanagere, Karnataka, India Pincode-577004 
 
Primary Sponsor  
Name  Dr Rupa G 
Address  Bapuji Dental College And Hospital,Davangere-577001 
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 Rupa G  Bapuji dental College and Hospital  Room No7,2nd floor, Department of Prosthodontics and Crown and bridge
Davanagere
KARNATAKA 		 9164097989

drrupagopal006@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Instituional Review Board,Bapuji Dental College and Hospital  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Healthy Human Volunteers  with missing teeth 
Patients  (1) ICD-10 Condition: K084||Partial loss of teeth,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  vertical stop  preserving A vertical stop on the cuspal surface of the last tooth and recording the interocclusal bite by intraoral scan 
Comparator Agent  vertical stop will be eliminated  The preserved stop vertical stop will be eliminated like a coneventional preparation and compared with the intervention 
 
Inclusion Criteria  
Age From  25.00 Year(s)
Age To  45.00 Year(s)
Gender  Both 
Details  PATIENTS WITH ONE OR TWO MISSING TEETH IN MANDIBULAR POSTERIOR REGION WITH ONE TOOTH PRESENT POSTERIOR TO MISSING REGION 
 
ExclusionCriteria 
Details  Patients with a history of TMJ dysfunction or myofascial pain dysfunction syndrome
patients with limitation of mandibular movement
 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
the accuracy of interocclusal record recorded using intra oral scanner in a terminal abutment  The outcome will be assessed at baseline after prosthesis  
 
Secondary Outcome  
Outcome  TimePoints 
the accuracy of occlusion obtained preserving the vertical stop  The occlusion will be assessed at baseline 
 
Target Sample Size   Total Sample Size="10"
Sample Size from India="10" 
Final Enrollment numbers achieved (Total)= "10"
Final Enrollment numbers achieved (India)="10" 
Phase of Trial   Phase 3 
Date of First Enrollment (India)   21/04/2025 
Date of Study Completion (India) 27/02/2026 
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   N/A 
Individual Participant Data (IPD) Sharing Statement

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

Response - NO
Brief Summary
Modification(s)  
Various studies have determined the accuracy and precision of the use of intraoral scanners (IOS) in clinical practice. However studies on accuracy in reproducing the inter-occlusal contacts in the terminal abutments is scarce. When the posterior most tooth is considered as the abutment for the fabrication of a fixed prosthesis, which is otherwise known as terminal abutment. There are challenges encountered in accurate transfer of the inter occlusal record to the articulator, as there is loss in the tripod configuration to articulate the cast due to improper seating of the condyle and loss of proprioception leading to eccentric contacts. By preserving the distal cusp as a vertical stop in a full coverage preparation, the tripod relation can be achieved.
           The intention of this clinical study is to assess the occlusal discrepancy and accuracy of intraoral scanners in recording the inter-occlusal records on a terminal abutment by preserving the centric stop and compare them with the conventional method.
 
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