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CTRI Number  CTRI/2024/05/067798 [Registered on: 22/05/2024] Trial Registered Prospectively
Last Modified On: 09/07/2024
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Dentistry 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   A clinical study to evaluate the anesthetic efficacy of two types of local anesthetic agents during root canal treatment of symptomatic tooth  
Scientific Title of Study   Comparison of anesthetic efficacy of 4 percent articaine with epinephrine in the ratio of 1 to 100000 as buccal infiltration and 2 percent lignocaine with epinephrine in the ratio of 1 to 80000 as inferior alveolar nerve block in patients with irreversible pulpitis A randomized clinical 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  ABHIJIT GHOSH 
Designation  MDS Post Graduate Trainee 
Affiliation  Guru Nanak Institute of Dental Sciences and Research 
Address  Guru Nanak Institute of Dental Sciences and Research 157/F Nilgunj Road Panihati Sodepur Kolkata. Department of Conservative Dentistry and Endodontics, Room number 2, Second floor.

Kolkata
WEST BENGAL
700114
India 
Phone  09062631801  
Fax    
Email  draghosh99@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Paromita Mazumdar 
Designation  Professor and Head of the Department 
Affiliation  Guru Nanak Institute of Dental Sciences and Research 
Address  Guru Nanak Institute of Dental Sciences and Research 157/F Nilgunj Road Panihati Sodepur Kolkata. Department of Conservative Dentistry and Endodontics, Room number 2, Second floor.

Kolkata
WEST BENGAL
700114
India 
Phone  9831029606  
Fax    
Email  head_cons.gnidsr@jisgroup.org  
 
Details of Contact Person
Public Query
 
Name  ABHIJIT GHOSH 
Designation  MDS Post Graduate Trainee 
Affiliation  Guru Nanak Institute of Dental Sciences and Research 
Address  Guru Nanak Institute of Dental Sciences and Research 157/F Nilgunj Road Panihati Sodepur Kolkata. Department of Conservative Dentistry and Endodontics, Room number 2, Second floor.

Kolkata
WEST BENGAL
700114
India 
Phone  09062631801  
Fax    
Email  draghosh99@gmail.com  
 
Source of Monetary or Material Support  
Guru Nanak Institute of Dental Sciences and Research, 157/F, Nilgunj Road, Sahid Colony, Panihati, Kolkata- 700114 
 
Primary Sponsor  
Name  Guru Nanak Institute of Dental Sciences and Research 
Address  Guru Nanak Institute of Dental Sciences and Research 157/F, Nilgunj Road, Panihati, Sodepur, Kolkata-700114, West Bengal , India 
Type of Sponsor  Research institution and hospital 
 
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 ABHIJIT GHOSH  Guru Nanak Institute of Dental Sciences & Research  157/F Nilgunj Road Sahid Colony Panihati Kolkata 700114 Department of Conservative Dentistry and Endodontics Second floor
Kolkata
WEST BENGAL 
09062631801

draghosh99@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: K039||Disease of hard tissues of teeth,unspecified,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  1.Articaine 2.Lignocaine  1.4% Articaine With 1:100,000 epinephrine 2.2% Lignocaine WITH 1:80,000 epinephrine Route of administration:- 1.Buccal infiltration (4% articaine with 1:100000 epinephrine) 2.Inferior alveloar nerve block(2% Lignocaine with 1:80000 epinephrine) 
Comparator Agent  1.Articaine 2.Lignocaine   1.4% Articaine With 1:100,000 epinephrine 2.2% Lignocaine WITH 1:80,000 epinephrine Route of administration:- 1.Buccal infiltration (4% articaine with 1:100000 epinephrine) 2.Inferior alveloar nerve block(2% Lignocaine with 1:80000 epinephrine) 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  45.00 Year(s)
Gender  Both 
Details  1.Patients with irreversible pulpitis
2.Permanent mandibular 1st molar
3.Tooth with closed apex
4.Teeth with sound periodontal
apparatus
5.Only healthy individual(ASA I or II)
 
 
ExclusionCriteria 
Details  1.Patients allergic to amide local anesthetics
2.Non vital teeth
3.Patients taking antibiotics and/or analgesic in last 5 days
4.Retreatment cases
5.Teeth with calcified canals

Pregnant and lactating women.
 
 
Method of Generating Random Sequence   Coin toss, Lottery, toss of dice, shuffling cards etc 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant and Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
1.To compare the onset of anesthesia using 4% articaine with 1:100,000 epinephrine as buccal infiltration & 2% Lignocaine with 1:80,000 epinephrine as inferior alveolar nerve block.
2. To compare the duration of anesthesia using 4% articaine with 1:100,000 epinephrine as buccal infiltration & 2% Lignocaine with 1:80,000 epinephrine as inferior alveolar nerve block
3. To compare the effectiveness of anesthesia (pain assessment) using Heft Parker scale using 4% articaine with 1:100,000 epinephrine & 2% Lignocaine with 1:80,000 as inferior alveolar nerve block
 
1.Onset of anesthesia:-Time lapse between the end of the anesthesia given and onset of symptoms of subjective anesthesia
2.Duration of anesthesia:It will be calculated by recording the time of onset of anesthesia and patient reporting the loss of numbness by thorough conversation with patient over telephone 1hr ,2hr,3 hr,4 hr immediately after obturation
3.Pain asessment :Pre-operative,During the operative procedure and 6 & 12 hr after completion of the endodontic procedure 
 
Secondary Outcome  
Outcome  TimePoints 
Retrospective analysis of CBCT Scan to determine cause-effect relationship of the clinical outcome[Bone width,position of the apical foramen]
 
7 days after completion of the endodontic procedure  
 
Target Sample Size   Total Sample Size="22"
Sample Size from India="22" 
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   Phase 4 
Date of First Enrollment (India)   01/06/2024 
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="3"
Days="1" 
Recruitment Status of Trial (Global)
Modification(s)  
Open to Recruitment 
Recruitment Status of Trial (India)  Open to Recruitment 
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    AIM OF THE STUDY: To compare onset,duration and anesthetic efficacy of 4% Articaine with 1:100,000 epinephrine buccal infiltration and  2% lignocaine with 1:80,000 epinephrine  inferior alveolar nerve block in patients with irreversible pulpitis

MATERIALS AND METHODS: The study is designed as a prospective, randomized, double blinded, clinical trial. 22  patients will be enrolled from the Department of Conservative Dentistry and Endodontics who are systemically healthy[ASA I & II) between 18-45 years of age and fulfilling the inclusion criteria of the study. Patient will be randomly assigned into two equal groups using Simple Random Sampling sequentially.Odd number will be assigned to Group 1 (1,3,5) and even number will be assigned to Group 2 (2,4,6). 

 Group I (n=11)Buccal infiltration using standard cartridges of 4 % articaine with 1:100000 epinephrine 

Group II(n=11) Inferior alveolar nerve block  using standardized cartridges of 2% lignocaine with 1:80000 epinephrine 


Patient and outcome assessor will be blinded to the groups of the study. The randomized order of instrumentation procedure will be enclosed in sealed, opaque envelopes. Treatment will be carried out in single visit. Root canal treatment will be performed after administration of these two type of anesthetic agents and mode of administration.  Each of the 22 patients, will be taught how to use Heft Parker Pain assessment  scale. . Pain will be evaluated at following time intervals: Just before administration of anesthetic agents,during the endodontic procedure,immediate after obturation and 6 & 12 hr  after completion of the procedure.Onset and duration of two types of anesthetic agents will be evaluated with the help of a digital stop watch.

 
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