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CTRI Number  CTRI/2025/03/082652 [Registered on: 18/03/2025] Trial Registered Prospectively
Last Modified On: 07/03/2025
Post Graduate Thesis  No 
Type of Trial  Observational 
Type of Study   Cross Sectional Study 
Study Design  Other 
Public Title of Study   Comparison of traditional radiographic indices with volume-based index based on cone beam computed tomography in teeth with apical periodontitis 
Scientific Title of Study   Assessment of correlation between Cone beam computed tomography-Periapical Volume Index and traditional radiographic indices in endodontic lesion evaluation : A volumetric analysis 
Trial Acronym  nil 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Reshma Rajasekhar 
Designation  PhD scholar 
Affiliation   
Address  Room number 6 Department of conservative dentistry and endodontics MES dental college, Malaparamba,Palachode P.O, Kolathur,Perinthalmanna Malappuram

Malappuram
KERALA
679321
India 
Phone  8606008164  
Fax    
Email  reshmarajasekhar@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Kailash attur 
Designation  Professor 
Affiliation   
Address  Department of conservative dentistry and endodontics, Narasinhbhai patel dental college, Gandhinagar link road, Visnagar,Gujarat

Gandhinagar
GUJARAT
384315
India 
Phone  9727752499  
Fax    
Email  atturkailash@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Reshma Rajasekhar 
Designation  PhD scholar 
Affiliation   
Address  Room number 6 Department of conservative dentistry and endodontics MES dental college, Malaparamba,Palachode P.O, Kolathur,Perinthalmanna Malappuram

Malappuram
KERALA
679321
India 
Phone  8606008164  
Fax    
Email  reshmarajasekhar@gmail.com  
 
Source of Monetary or Material Support  
Department of conservative dentistry, MES dental college , Malapparamba,Palachode p.o Perinthalmanna,Malappuram Kerala 
 
Primary Sponsor  
Name  Dr.Reshma Rajasekhar 
Address  MES dental college , Malapparamba,Palachode p.o Perinthalmanna,Malappuram Kerala 
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 
Reshma Rajasekhar  MES dental college  Room number 6, Department of conservative dentistry and endodontics, MES dental college, Malaparamba,Palachode P.O, Kolathur,Perinthalmanna Malappuram
Malappuram
KERALA 
8606008164

reshmarajasekhar@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
NPDCH Institutional Ethics committee   Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Healthy Human Volunteers  Apical periodontitis,Dental caries 
 
Intervention / Comparator Agent  
Type  Name  Details 
 
Inclusion Criteria  
Age From  15.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  Single rooted teeth with diagnosis of pulp necrosis and radiographic signs of periapical lesion.

Patients of age group 15 years to 65 years.

Teeth with deep caries, crown fracture ,history of trauma ,discolouration.

Teeth with associated gingival swelling ,draining sinus tract

Teeth with absence or delayed response to electric pulp testing and cold testing .

Endodontically treated / previously initated treatment with radiographically visible apical
periodontitis. 
 
ExclusionCriteria 
Details  Multirooted teeth

Large periapical lesion joining the apex of more than 1 teeth

Teeth with periodontal abscess and positive response to sensibility tests 
 
Method of Generating Random Sequence    
Method of Concealment    
Blinding/Masking    
Primary Outcome  
Outcome  TimePoints 
To assess the Correlationship between Periapical index and CBCTPAVI,Association/relationship between Complex periapical index & CBCTPAVI,Correlationship between Endodontic radiolucency Index & CBCTPAVI  Outcome assessed after 8 months based on the data collected from patients coming to the outpatient department. 
 
Secondary Outcome  
Outcome  TimePoints 
To assess the Correlationship between indices based on gender of the patient  Outcome assessed after 8 months based on the data collected from patients coming to the outpatient department. 
 
Target Sample Size   Total Sample Size="220"
Sample Size from India="220" 
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)   25/04/2025 
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="0"
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 - NO
Brief Summary  
220 single rooted teeth will be selected from patients based on inclusion criteria.Teeth will be subjected to sensibility tests using electric pulp tester and endofrost followed by radiographic imaging using periapical radiographs and
CBCT.
Orstavik’s periapical index scores were recorded from periapical radiographic images whereas endodontic radiolucency index,complex periapical index were recorded from CBCT scans of the patient.
CBCT periapical volume will be calculated using ITK SNAP (4.0) software  using manual and semi automatic segmentation  as well as using MONAI deep learning software.
After recording the index scores the Orstavik’s periapical index , Endodontic radiolucency index (ERI), Complex periapical index (COPI) of PESS index are correlated with CBCT periapical volume index
 
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