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CTRI Number  CTRI/2025/04/084565 [Registered on: 11/04/2025] Trial Registered Prospectively
Last Modified On: 08/04/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug
Dentistry 
Study Design  Randomized Factorial Trial 
Public Title of Study   A study to compare efficacy of calcium hydroxide versus non antibiotics as intra canal medicament  
Scientific Title of Study   Comparative evaluation of anti microbial efficacy and post operative pain after using calcium hydroxide, lignocaine, lignocaine with ibuprofen, lignocaine with diclofenac as intra canal medicament in teeth with symptomatic apical periodontitis - A randomised control trial 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Uma Bharathi B  
Designation  Post graduate student 
Affiliation  Tamil Nadu Government Dental college & hospital 
Address  Tamil Nadu Government Dental college Hospital Department of Conservative Dentistry and endodontics Room no-110
Muthuswamy salai Near TNPSC building Chennai
Chennai
TAMIL NADU
600003
India 
Phone  8754186070  
Fax    
Email  umabharathi17@yahoo.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr RAMAPRABHA B  
Designation  MDS (PROFESSOR) 
Affiliation  Tamilnadu government dental college 
Address  Tamil Nadu Government Dental College, Department of Conservative Dentistry and Endodontics, Room no-110
Muthuswamy salai, George town, Chennai
Chennai
TAMIL NADU
600003
India 
Phone  9940666344  
Fax    
Email  isharamah@gmail.com  
 
Details of Contact Person
Public Query
 
Name  DrRAMAPRABHA B  
Designation  MDS (PROFESSOR) 
Affiliation  Tamilnadu government dental college 
Address  Tamil Nadu Government Dental College and Hospital, Department of Conservative Dentistry and Endodontics, Room no-110
Muthuswamy salai, George Town, Chennai
Chennai
TAMIL NADU
600003
India 
Phone  9940666344  
Fax    
Email  isharamah@gmail.com  
 
Source of Monetary or Material Support  
Tamil Nadu Government Dental College and Hospital,No.2,Frazer Bridge road,George Town,Chennai-600003 
 
Primary Sponsor  
Name  Uma Bharathi B 
Address  Tamil Nadu Government Dental college and Hospital Muthuswamy salai Near TNPSC building Chennai 600003 
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 
DrUma Bharathi B   Tamil Nadu Goverment Dental College & Hospital   Department of Conservative dentistry and Endodontics,Room no-110,NO.2,Frazer bridge road,Chennai-600003
Chennai
TAMIL NADU 
8754186070

umabharathi17@yahoo.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Tamil Badu Government Dental College and Hospital Institutional Ethical Review Board  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: K045||Chronic apical periodontitis,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Calcium Hydroxide   Intra canal medicament for 7 days  
Intervention  Lignocaine  Intra canal medicament for 7 days 
Intervention  Lignocaine with Diclofenac  intra canal medicament for 7 days 
Intervention  Lignocaine with Ibuprofen   Intra canal medicament for 7 days 
 
Inclusion Criteria  
Age From  17.00 Year(s)
Age To  45.00 Year(s)
Gender  Both 
Details  1)Patients with age group 17-45 years of either gender presenting non vital tooth with symptomatic apical periodontitis of maxillary central incisor. 2) Patients with no systemic disease.
3)Periodontally healthy individuals
4)Patients with good oral hygiene.
5)Patients with pre operative pain scores ranging from moderate to severe (4-10) on a Visual Analog Scale
6)Patients willing for voluntary participation & have signed informed Consent. 
 
ExclusionCriteria 
Details  1)Tooth with calcified pulp chambers
2) Open apices
3)Root canal retreatment cases
4) Patients under antibiotic medications
5)Grossly decayed tooth
6)Root resorption
7)Root caries
8)Fractures
9)Previous endodontic treatment
10)Allergic reaction to lignocaine , ibuprofen , diclofenac
11)Patients who have taken analgesic or anti inflammatory drugs within 12 hours pre operatively 12)Patient with contributory medical history
13) Pregnant women 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
Reduction in intra canal microbial count   one week for reduction in microbial count
 
 
Secondary Outcome  
Outcome  TimePoints 
Reduction in post operative pain   48 hours for post operative pain  
 
Target Sample Size   Total Sample Size="56"
Sample Size from India="56" 
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)   21/04/2025 
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="6"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
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   This randomised control trial is to compare calcium hydroxide, lignocaine, lignocaine with diclofenac , lignocaine with ibuprofen as intra canal medicament conducted in TamilNadu Government Dental College and Hospital among 56 patients of age group 17 to 45 years with symptomatic apical periodontitis. The primary outcome should be reduction in microbial count after one week using culture test.Secondary outcome was reduction in post operative pain within 48 hours using Visual Analogue Scale. 
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