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CTRI Number  CTRI/2024/03/063682 [Registered on: 06/03/2024] Trial Registered Prospectively
Last Modified On: 03/04/2025
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Cross Sectional Study 
Study Design  Other 
Public Title of Study   A study conducted to estimate the number of root decay cases in South Coastal population of India and to determine the causes of it. 
Scientific Title of Study   Root caries risk assessment through salivary and molecular 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  Dr Jyothi Ashith Shetty 
Designation  Ph.D Research Scholar 
Affiliation  A B Shetty Memorial Institute of Dental Sciences, Nitte Deemed to be university 
Address  Dept. of Conservative Dentistry & Endodontics, A B Shetty Memorial Institute of Dental Sciences, Nitte Deemed to be University, Derelakatte, Mangalore

Dakshina Kannada
KARNATAKA
575018
India 
Phone  9480909605  
Fax    
Email  jyothi.21phdd102@student.nitte.edu.in  
 
Details of Contact Person
Scientific Query
 
Name  Prof. Dr Mithra N Hegde 
Designation  Vice Dean 
Affiliation   
Address  Dept. of Conservative Dentistry & Endodontics, A B Shetty Memorial Institute of Dental Sciences, Nitte Deemed to be University, Derelakatte, Mangalore

Dakshina Kannada
KARNATAKA
575018
India 
Phone  9845284411  
Fax    
Email  drmithra.hegde@nitte.edu.in  
 
Details of Contact Person
Public Query
 
Name  Dr Jyothi Ashith Shetty 
Designation  Ph.D Research Scholar 
Affiliation   
Address  Dept. of Conservative Dentistry & Endodontics, A B Shetty Memorial Institute of Dental Sciences, Nitte Deemed to be University, Derelakatte, Mangalore

Dakshina Kannada
KARNATAKA
575018
India 
Phone  9480909605  
Fax    
Email  jyothi.21phdd102@student.nitte.edu.in  
 
Source of Monetary or Material Support  
Nitte Deemed to be University 
 
Primary Sponsor  
Name  Dr Jyothi Ashith Shetty 
Address  Dept. of Conservative Dentistry & Endodontics, A B Shetty Memorial Institute of Dental Sciences, Nitte Deemed to be University, Derelakatte, Mangalore 
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 Jyothi Ashith Shetty  A B Shetty Memorial Institute of Dental Sciences  Dept of Conservative Dentistry & Endodontics, Room no.3, A B Shetty Memorial Institute of Dental Sciences, Derelakatte, Mangalore -575018
Dakshina Kannada
KARNATAKA 
9480909605

jyothi.21phdd102@student.nitte.edu.in 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Cenral Ethics Committe, Nitte DU  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Healthy Human Volunteers  Root caries 
 
Intervention / Comparator Agent  
Type  Name  Details 
 
Inclusion Criteria  
Age From  30.00 Year(s)
Age To  75.00 Year(s)
Gender  Both 
Details  - Subjects in the age group of 30- 75 years residing in south coastal region from past 10
years or more. (as per the term South Coastal population included in the Objectives)
- Subjects with 20 or more natural teeth present in the oral cavity.
- Subjects willing to consent to be a part of the study. 
 
ExclusionCriteria 
Details  - Subjects with any oral diseases ( like salivary gland disease)
- subjects on antibiotics or antifungal agents within the last 1 month prior to sample collection.
-Subjects using mouthwashes and lozenges. 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
presence of root caries.  1 year 
 
Secondary Outcome  
Outcome  TimePoints 
presence of additional root caries  2 years 
 
Target Sample Size   Total Sample Size="1062"
Sample Size from India="1062" 
Final Enrollment numbers achieved (Total)= "1062"
Final Enrollment numbers achieved (India)="1062" 
Phase of Trial   N/A 
Date of First Enrollment (India)   18/03/2024 
Date of Study Completion (India) Date Missing 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Date Missing 
Estimated Duration of Trial   Years="1"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Completed 
Publication Details
Modification(s)  
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)  
A  cross sectional  observational  study was conducted to assess the prevalence of root caries in South Coastal population of India with a sample size of 1062. After screening of the subjects for root caries, salivary samples were collected from 47 root caries free and 47 root caries active subjects for salivary analysis. In the next phase of the study, salivary samples were collected from patients with high root caries index and root caries free subjects to determine the bacterial diversity of healthy and carious roots through metagenomic approach. 
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