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CTRI Number  CTRI/2025/07/090391 [Registered on: 07/07/2025] Trial Registered Prospectively
Last Modified On: 14/03/2026
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Dentistry 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   Comparing Buffered vs. Non-Buffered 4% Articaine for Pain Relief in Kids After a Common Dental Injection 
Scientific Title of Study   Comparative evaluation of buffered 4% articaine versus 4% articaine in pain perception following labial infiltration in children. 
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 PANDIT SUSAANA AUSTINE 
Designation  POST GRADUATE  
Affiliation  THE OXFORD DENTAL COLLEGE  
Address  Department of Pediatric and Preventive Dentistry, fourth floor, Room No 8, Bommanahalli, NH 44, Hongasandra, Bengaluru,

Bangalore
KARNATAKA
560068
India 
Phone  8332821028  
Fax    
Email  panditsusaanaaustine99@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  DR PANDIT SUSAANA AUSTINE 
Designation  POST GRADUATE  
Affiliation  THE OXFORD DENTAL COLLEGE  
Address  Department of Pediatric and Preventive Dentistry, fourth floor, Room No 8, Bommanahalli, NH 44, Hongasandra, Bengaluru,

Bangalore
KARNATAKA
560068
India 
Phone  8332821028  
Fax    
Email  panditsusaanaaustine99@gmail.com  
 
Details of Contact Person
Public Query
 
Name  DR PRIYA SUBRAMANIAM 
Designation  PROFESSOR AND HEAD OF THE DEPARTMENT 
Affiliation  THE OXFORD DENTAL COLLEGE  
Address  Department of Pediatric and Preventive Dentistry, fourth floor, Room No 8, Bommanahalli, NH 44, Hongasandra, Bengaluru,

Bangalore
KARNATAKA
560068
India 
Phone  9844225624  
Fax    
Email  drpriyapedo@yahoo.com  
 
Source of Monetary or Material Support  
NIL 
 
Primary Sponsor  
Name  Pandit susaana austine  
Address  Bommanahalli, NH 44, Hongasandra, Bengaluru, 
Type of Sponsor  Research institution and hospital 
 
Details of Secondary Sponsor  
Name  Address 
PRIYA SUBRAMANIAM  Bommanahalli, NH 44, Hongasandra, Bengaluru, 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
pandit susaana austine   The Oxford Dental College, Bangalore  Department of Pediatric and Preventive Dentistry, fourth floor, Room No 8, Bommanahalli, NH 44, Hongasandra, Bengaluru
Bangalore
KARNATAKA 
8332821028

panditsusaanaaustine99@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: K00-K14||Diseases of oral cavity and salivary glands,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Articaine   1ml of 4% articaine with 1:100,000 epinephrine will be administered over a period of 60 seconds  
Intervention  Articaine buffered with 8.4% sodium bicarbonate  1ml of buffered 4% articaine with 1:100,000 epinephrine will be administered over a period of 60 seconds 
 
Inclusion Criteria  
Age From  4.00 Year(s)
Age To  8.00 Year(s)
Gender  Both 
Details  1. Patients willing to participate in the study.
2. Patients exhibiting Frankl’s behaviour rating 3 or 4.
3. Patients requiring non-surgical extraction of primary maxillary incisors.
4. Primary maxillary incisors that cannot be restored.
 
 
ExclusionCriteria 
Details  1. Patients with a known history of allergy to any of the constituents present in the local anesthetic agent.
2. History of medically compromised conditions.
3. Presence of acute dento-alveolar infection at the site of injection.
4. History of dental treatment in the past 6 months.
5. Presence of pathological lesion involving primary maxillary incisors.
6. Presence of pain in relation to primary maxillary incisors.
7. Patients who have taken analgesics in the last 24 hours.
 
 
Method of Generating Random Sequence   Coin toss, Lottery, toss of dice, shuffling cards etc 
Method of Concealment   Pre-numbered or coded identical Containers 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
To compare the pain perception in pediatric patients following labial infiltration using buffered 4% articaine versus conventional (non-buffered) 4% articaine, as assessed by validated pain scales during labial infiltration.  baseline 
 
Secondary Outcome  
Outcome  TimePoints 
nil   
 
Target Sample Size   Total Sample Size="60"
Sample Size from India="60" 
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 3 
Date of First Enrollment (India)   01/08/2025 
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="1"
Months="6"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
Open to Recruitment 
Recruitment Status of Trial (India)  Open to Recruitment 
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)  

The study will include sixty children aged 4 to 8 who require extraction of primary maxillary incisors and who fulfill the criteria.

The demographic details, brief case history, and clinical findings of each patient will be recorded.

 Following clinical examination, the Wong-Baker Faces Pain Rating Scale1 and Sound Eye Motor Scale1 will be explained to the patient. The children will be divided into 2 groups:

Group 1: Thirty children will be administered buffered 4% articaine with 1:100,000 epinephrine (will be prepared prior to administration)

Group 2: Thirty children will be administered 4% articaine with 1:100,000 epinephrine

Preparation of 4% buffered articaine solution:  0.18 ml of solution will be collected from 1.8ml cartridge of 4% articaine (1.8ml cartridge, Septanest®, marketed by Septodont Healthcare India Pvt. Ltd., Maharashtra, India) in a 1ml insulin syringe and then 0.18ml of 8.4% sodium bicarbonate (Sodac®, marketed by Uttaranchal Biotech Limited, Rudrapur, Uttarakhand, India) will be added into the cartridge just before administration.

The children will be allocated to either of the groups using simple randomization. Following topical application of 8% lidocaine and 0.8% Dibucaine gel (Precaine, Pascal International, Inc, USA) for 1 minute at the site of injection, labial infiltration using a sterile disposable insulin syringe and 31gauge needle will be used to inject either 1ml of 4% articaine or 1ml of 4% buffered articaine.

In both groups, the local anesthetic solution will be administered over a period of 60 seconds. The onset of anesthesia will be recorded every 30 seconds using a blunt probe on the labial and palatal aspects of the gingiva. It will be recorded in minutes as the interval between the time of administration to the time when the effect of anesthesia will be first reported.  After achieving adequate anesthesia, the primary maxillary incisors will be extracted. The efficacy of anesthesia will be assessed by subjective and objective signs. Intraoperative pain will be recorded using the Wong-Baker Faces Pain Rating Scale1, where 0 indicates no pain and 10 indicates intense pain. The objective signs will be recorded using the Sound Eye Motor scale1, where 1 indicates comfort and 4 indicates painful.


 
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