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CTRI Number  CTRI/2026/03/107211 [Registered on: 30/03/2026] Trial Registered Prospectively
Last Modified On: 14/03/2026
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Dentistry 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   Comparison between two solutions of anethesia for root canal treatment using computer controlled device. 
Scientific Title of Study   Comparative evaluation of anesthetic efficacy of 4% articaine with 1:100,000 adrenaline and 2% lignocaine with 1:80,000 adrenaline as intraligamentary injection by using star pen after an ineffective inferior alveolar nerve block in mandibular molars with acute irreversible pulpitis of patient aged 18-50 years: A Randomised controlled 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  Shashikala Pande 
Designation  PG student 
Affiliation  MGVs KBH Dental College, Nashik 
Address  Department no 502, MGVs KBH Dental College, Nashik

Nashik
MAHARASHTRA
422003
India 
Phone  9604671947  
Fax    
Email  shashikalapande11@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Swapnil Kolhe 
Designation  Professor  
Affiliation  MGVs KBH Dental College, Nashik 
Address  Department no 502, MGVs KBH Dental College, Nashik

Nashik
MAHARASHTRA
422003
India 
Phone  9822198233  
Fax    
Email  endoswapnil33@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Swapnil Kolhe 
Designation  Professor  
Affiliation  MGVs KBH Dental College, Nashik 
Address  Department no 502, MGVs KBH Dental College, Nashik

Nashik
MAHARASHTRA
422003
India 
Phone  9822198233  
Fax    
Email  endoswapnil33@gmail.com  
 
Source of Monetary or Material Support  
Department no 502, MGVs KBH Dental College, Nashik 42003, Maharashtra, India 
 
Primary Sponsor  
Name  SHASHIKALA PANDE 
Address  Department no 502, MGVs KBH Dental College, Nashik 422003, Maharashtra, India  
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 Shashikala Pande  MGVs KBH DENTAL COLLEGE  Department no 502, Department of conservative dentistry and endodontics.
Nashik
MAHARASHTRA 
9604671947

shashikalapande11@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
KBH DENTAL COLLEGE-INSTITUTIONAL ETHICS COMMITTEE  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: K040||Pulpitis,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  articaine vs lignocaine  4% articaine with 1:100,000 adrenaline vs 2% lignocaine with 1:80,000 adrenaline as intraligamentary injection by using star pen in mandibular molars. 
Intervention  Using Star pen  anesthesia by using star pen in intraligamentary site 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  50.00 Year(s)
Gender  Both 
Details  1)Patient having no systemic diseases
2)Patients between 18-50 years of age
3)Mandibular molars with a diagnosis of acute irreversible pulpitis.  
 
ExclusionCriteria 
Details  1) Teeth with periodontal defects.
2) Patients with hypersensitivity to lidocaine and /or articaine.
3) Pregnancy or lactation.
4) Teeth with any periapical pathology.
5) Teeth with immature root apex.
6) Patient on any kind of medication example NSAIDS, sedatives,
antidepressants.  
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant Blinded 
Primary Outcome  
Outcome  TimePoints 
1. To evaluate the intraoperative pain after ineffective inferior
alveolar nerve block administration by conventional method in
mandibular molars on visual analogue scale.
2. To evaluate the intraoperative pain after administration of 2%
lignocaine with 1:80,000 adrenaline as a supplementary
intraligamentary injection by using star pen on visual analogue
scale.
3. To evaluate the intraoperative pain after administration of 4%
articaine with 1:100,000 adrenaline as a supplementary
intraligamentary injection by using star pen on visual analogue
scale.
4. To compare the intraoperative pain after ineffective inferior
alveolar nerve block and after administration of 2% lignocaine
with 1:80,000 adrenaline and 4% articaine with 1:100,000
adrenaline as intraligamentary injection by using star pen.  
60-80 seconds 
 
Secondary Outcome  
Outcome  TimePoints 
NIL  NIL 
 
Target Sample Size   Total Sample Size="24"
Sample Size from India="24" 
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)   30/03/2026 
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="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    Sampling technique: Simple random sampling technique will be used. VI. Methods of selection of study subjects: 1.Inclusion criteria : 1)Patient having no systemic diseases 2)Patients between 18-50 years of age 3)Mandibular molars with a diagnosis of acute irreversible pulpitis. 2. Exclusion criteria: 1) Teeth with periodontal defects. 2) Patients with hypersensitivity to lidocaine and /or articaine. 3) Pregnancy or lactation. 4) Teeth with any periapical pathology. 5) Teeth with immature root apex. 6) Patient on any kind of medication example NSAIDS, sedatives, antidepressants. VII. Operational definitions: A) Intraoperative pain: Intraoperative pain is defined as the intensity of pain perceived by the patient during endodontic treatment, specifically from the initiation of access cavity preparation to completion of canal instrumentation. B) Visual analog scale: Pain levels will be recorded using a Visual Analog Scale (VAS) immediately after the procedure, with scores ranging from 0 (no pain) to 10 (worst imaginable pain), based on the patient’s subjective experience during the treatment phase. VIII. Method of measurements: The visual analogue scale (VAS): The Visual Analogue Scale (VAS) is a 10 cm line with anchor statements on the left (no pain) and on the right (extreme pain). The patient will be asked to mark their current pain level on the line. They will be asked to mark their maximum, minimum, and average pain. The examiner scores the VAS by measuring the distance in either centimeters (0 to 10) or millimeters (0 to 100) from the “no pain” anchor point. IX. Study instrument/ Data collection tool: - The visual analogue scale (VAS): X. Method of Data collection: - 24 subjects with failed inferior alveolar nerve block will be choosen for the study. A detailed medical history will be taken from each patient followed by clinical examination. Radiographic examination will be done to confirm. Patients will be informed about the details of study procedure and informed consent form will be obtained from them. Before administration of intraligamentary injection intraoperative pain will be recorded from all subjects. These subjects will be randomly divided into two groups of 12 samples each. Groups will be as follows:- Group I: Administration of 2% lignocaine with 1:80000 adrenaline by intraligamentary injection technique (n=12) using star pen. GroupI II: Administration of 4% articaine with 1:100,000 adrenaline by intraligamentary injection technique (n=12) using star pen. Patient will be administered 1.8ml of either 2% lignocaine with 1:80000 adrenaline or 4% articaine with 1:100,000 adrenaline intraligamentary using star pen. After 5 mins of intraligamentary injections, access cavity preparation will be prepared and canals will be located. #10 K- file will be inserted in each canal. Working length will be determined using apex locator. Then complete pulp extirpation will be done followed by normal saline irrigation. After this step intraoperative pain will be assessed on VAS and will be noted down.  
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