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CTRI Number  CTRI/2022/01/039160 [Registered on: 05/01/2022] Trial Registered Prospectively
Last Modified On: 05/01/2022
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Cross Sectional Study 
Study Design  Other 
Public Title of Study   Bacteria in Root Canal and External Root Surface 
Scientific Title of Study   Microbial Evaluation of Apical Periodontitis 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dinesh G 
Designation  MDS 
Affiliation  Thai Moogambigai Dental College 
Address  Gangai Amman Koil Street, Golden George Nagar, Mogappair, Chennai 600107
Gangai Amman Koil Street, Golden George Nagar, Mogappair, Chennai 600107
Chennai
TAMIL NADU
631402
India 
Phone  9176988804  
Fax    
Email  joodine@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr A R Pradeep Kumar 
Designation  Professor and Head of the Department 
Affiliation  Thai Moogambigai Dental College 
Address  Gangai Amman Koil Street, Golden George Nagar, Mogappair, Chennai 600107
Gangai Amman Koil Street, Golden George Nagar, Mogappair, Chennai 600107
Chennai
TAMIL NADU
600031
India 
Phone  9840135711  
Fax    
Email  arpradeependo@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr A R Pradeep Kumar 
Designation  Professor and Head of the Department 
Affiliation  Thai Moogambigai Dental College 
Address  Gangai Amman Koil Street, Golden George Nagar, Mogappair, Chennai 600107
Gangai Amman Koil Street, Golden George Nagar, Mogappair, Chennai 600107
Chennai
TAMIL NADU
600031
India 
Phone  9840135711  
Fax    
Email  arpradeependo@gmail.com  
 
Source of Monetary or Material Support  
Dinesh G 
 
Primary Sponsor  
Name  Dinesh G 
Address  Gangai Amman Koil Street, Golden George Nagar, Mogappair, Chennai 600107 
Type of Sponsor  Other [self funded] 
 
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 
Dinesh G  Thai Moogambigal Dental College & Hospital  Room no 202, Department of Conservative Dentistry & Endodontics
Chennai
TAMIL NADU 
9176988804

joodine@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional ethics review board Dr M.G.R educational research institute, university  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Healthy Human Volunteers  Teeth requiring extraction 
 
Intervention / Comparator Agent  
Type  Name  Details 
 
Inclusion Criteria  
Age From  40.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  1. Apical periodontitis / pulp necrosis
2. Age group - 40-60yrs
3. Non diabetic ≤6.5
4. PAI ≥3
5. Teeth indicated for extraction /unrestorable teeth
7. Patient not willing for RCT
 
 
ExclusionCriteria 
Details  1. with periodontal discharge
2. presence of sinus
3. Antibiotic history for 3 months
4. Diabetes
5. Under medication –steroids
6. Root fracture, cracks
7. Resorption
8. Pocket depth > 3mm
9. RC treated teeth
 
 
Method of Generating Random Sequence    
Method of Concealment    
Blinding/Masking    
Primary Outcome  
Outcome  TimePoints 
To evaluate bacterial presence between intra radicular and extra radicular biofilm  single time point 
 
Secondary Outcome  
Outcome  TimePoints 
To evaluate bacterial presence in extra radicular biofilm  single time point 
 
Target Sample Size   Total Sample Size="20"
Sample Size from India="20" 
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)   06/01/2022 
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="6"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Not Yet Recruiting 
Publication Details   NIL 
Individual Participant Data (IPD) Sharing Statement

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

Response - NO
Brief Summary  

To evaluate the intraradicular and extraradicular biofilm in infected root canal system. 10 teeth with dental caries with apical periodontitis and PAI score greater than 3 indicated for extraction were selected in our study . First, patients were asked to  rinse with 0.2% chlorhexidine mouthwash and Local anaesthesia was administered. Teeth were extracted  and the apical 3 mm of the root apex was washed with sterile saline to remove blood and planktonic bacteria and then resected perpendicularly to the long axis of the tooth. A portion of periapical soft tissue/root surface was scraped using spoon excavator  and placed in a sterile Eppendorf tube containing 1mL DNA Buffer . The intra-radicular content is removed using #15 and # 20 file and collected in a 1.5mL Eppendorf tube containing  buffer . Microbial evaluation of samples was done.


 
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