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CTRI Number  CTRI/2026/03/106288 [Registered on: 16/03/2026] 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, Multiple Arm Trial 
Public Title of Study   Comparison of Chlorhexidine versus tulsi leaves and Avocado seed extract as cavity disinfectant in patients with deep dental caries in lower molar teeth  
Scientific Title of Study   Comparative evaluation of 2 percent Chlorhexidine Solution versus Tulsi Leaves(Ocimum sanctum) and Avocado seeds(Persea americana) Extract as Cavity Disinfectant against Streptococcus mutans and Lactobacillus in Class I deep carious mandibular molars of patient aged 18 to 50 years-A Randomized 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  Sneha Menghwani 
Designation  Post Graduate Resident 
Affiliation  MGVs KBH Dental College and Hospital,Nashik 
Address  Department number 502,Department of Conservative Dentistry and Endodontics, MGVs KBH Dental College and Hospital , Near Raviraj Arcade Mumbai Agra Highway, Panchavati, Nashik.422003

Nashik
MAHARASHTRA
422003
India 
Phone  7020981743  
Fax    
Email  snehamenghwani123@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Surbhi Patel 
Designation  Reader  
Affiliation  MGVs KBH Dental College and Hospital,Nashik 
Address  Department number 502,Department of Conservative Dentistry and Endodontics, MGVs KBH Dental College and Hospital , Near Raviraj Arcade Mumbai Agra Highway, Panchavati, Nashik.422003

Nashik
MAHARASHTRA
422003
India 
Phone  9373050500  
Fax    
Email  surbhi17den@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Sneha Menghwani 
Designation  Post Graduate Resident 
Affiliation  MGVs KBH Dental College and Hospital,Nashik 
Address  Department number 502,Department of Conservative Dentistry and Endodontics MGVs KBH Dental College and Hospital , Near Raviraj Arcade Mumbai Agra Highway, Panchavati, Nashik.422003

Nashik
MAHARASHTRA
422003
India 
Phone  07020981743  
Fax    
Email  snehamenghwani123@gmail.com  
 
Source of Monetary or Material Support  
MGVs KBH Dental College and Hospital, Department of Endodontics, Panchavati, Nashik, Maharashtra, India 422003 
 
Primary Sponsor  
Name  Sneha Menghwani 
Address  MGVs KBH Dental College and Hospital, Department of Endodontics, Panchavati, Nashik, Maharashtra,India 422003 
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 Sneha Menghwani  MGVs KBH Dental College and Hospital, Panchavati Nashik,Maharashtra,India 422003  Room no 502,Department of Endodontics
Nashik
MAHARASHTRA 
7020981743

snehamenghwani123@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: K025||Dental caries on pit and fissure surface,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  2 percent Chlorhexidine Solution used as Gold standard Cavity Disinfectant  2 percent Chlorhexidine Solution will be applied to the prepared cavity using sterile microbrush after caries excavation for 60 seconds and gently air dried before restoration 
Intervention  Avocado seed extract   Standardized avocado seed extract will be applied to the prepared cavity using sterile microbrush after caries excavation for 60 seconds and rinse after that with saline before restoration 
Intervention  Tulsi Leave Extract   Standardized tulsi leaf extract solution will be applied to the prepared cavity using sterile microbrush after caries excavation for 60 seconds and rinse with saline before restoration  
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  50.00 Year(s)
Gender  Both 
Details  1) Patient having age between 18 to 50 years
2) Systemically healthy and co-operative patients will be selected
3)Mandibular permanent first and second molar having deep class I caries with no tenderness on percussion ,no clinical or radiographic involvement of pulp, and should have normal pdl space and intact lamina dura with diagnosis of reversible pulpitis
4) Patients willing to provide written informed consent 
 
ExclusionCriteria 
Details  1) Teeth with extensive caries that is approaching pulp.
2) Patient having developmental anamolies of teeth .
3) Tooth having presence of swelling and sinus tract
4) Patient who had received analgesic or antibiotic in past 4 weeks
5) Presence of periapical lesion
6) Teeth with prior history of restoration

 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant Blinded 
Primary Outcome  
Outcome  TimePoints 
Mean reduction in colony forming unit(CFU/ml) of streptococcus mutans and lactobacillus before and after disinfection of the cavity means reduction between baseline (after caries excavtion) and post disinfectant application  Baseline (after caries excavation) and, Immediately after application of disinfectant (post-intervention) in same visit 
 
Secondary Outcome  
Outcome  TimePoints 
percentage reduction in Colony forming unit among three groups following application of cavity Disinfectant  Baseline (after caries excavation) & ,Immediately after application of disinfectant (post Intervention)in same visit 
 
Target Sample Size   Total Sample Size="36"
Sample Size from India="36" 
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)   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="1"
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   Dental caries is one of the most prevalent oral diseases caused primarily by cariogenic bacteria such as Streptococcus mutans and Lactobacillus. Complete elimination of microorganisms from deep dentinal caries is essential to prevent secondary caries and pulpal complications. Chlorhexidine is widely used as a cavity disinfectant; however, there is growing interest in herbal alternatives with antimicrobial properties. This randomized, parallel group, multiple arm clinical trial aims to compare the antimicrobial efficacy of 2percent chlorhexidine solution, tulsi (Ocimum sanctum) leaf extract, and avocado (Persea americana) seed extract as cavity disinfectants in Class I deep dentinal caries in mandibular molars among patients aged 18–50 years. Dentinal samples will be collected after caries excavation (baseline) and after application of the respective disinfectant. The primary outcome measure will be reduction in colony forming units (CFU/ml) of Streptococcus mutans and Lactobacillus. The study intends to evaluate whether herbal extracts can serve as effective alternatives to conventional disinfectants in restorative dentistry. 
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