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CTRI Number  CTRI/2025/03/082544 [Registered on: 18/03/2025] Trial Registered Prospectively
Last Modified On: 09/01/2026
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Probiotic 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   Evaluating the capacity of probiotic chewable tablets containing probiotic bacteria on halitosis enzyme levels in patients with bad breath as an adjunct totooth cleaning –a randomized control trial study. 
Scientific Title of Study   Evaluating the efficacy of probiotic chewable tablets containing lactobacillus reuteri on salivary beta-glucosidase levels in patients with oral malodour as an adjunct to scaling and root planing,a randomized control trial study. 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  LAKSHMI C 
Designation  PG STUDENT 
Affiliation  Educare Institute Of Dental Sciences 
Address  Department of periodontology Educare institute of dental sciences,,College Road, Chattiparamba-Kootlangadi Rd, Kiliyamannil campus, Malappuram, Kerala 676504

Malappuram
KERALA
676504
India 
Phone  8095434772  
Fax    
Email  lakshmisanal95@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Sreekanth Puthalath 
Designation  HEAD OF DEPARTMENT  
Affiliation  EDUCARE INSTITUTE OF DENTAL SCIENCES 
Address  EDUCARE INSTITUTE OF DENTAL SCIENCES

Malappuram
KERALA
676504
India 
Phone  9995693673  
Fax    
Email  srk.puthalath@gmail.com  
 
Details of Contact Person
Public Query
 
Name  LAKSHMI C 
Designation  PG Student 
Affiliation  EDUCARE INSTITUTE OF DENTAL SCIENCES 
Address  Department of periodontology Educare institute of dental sciences College Road, Chattiparamba-Kootlangadi Rd, Kiliyamannil campus, Malappuram, Kerala

Malappuram
KERALA
676504
India 
Phone  08095434772  
Fax    
Email  lakshmisanal95@gmail.com  
 
Source of Monetary or Material Support  
EDUCARE INSTITUTE OF DENTAL SCIENCES CHATTIPARAMBA,MALAPPURAM,KERALA,INDIA PIN676504  
 
Primary Sponsor  
Name  Lakshmi C 
Address  Educare Institute Of Dental Sciences Chattiparamba P O Malappuram .676504 
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 Lakshmi C  Educare Institute Of Dental Sciences  EDUCARE INSTITUTE OF DENTAL SCIENCES CHATTIPARAMBA P O MALAPPURAM PIN 676504
Malappuram
KERALA 
09482381367

lakshmisanal95@gmail.com 
 
Details of Ethics Committee
Modification(s)  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethical Committee,Educare Institute Of Dental Sciences ,Chattiparamba P O Malappuram.  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Healthy Human Volunteers  gingivitis and oral malodour 
Patients  , (1) ICD-10 Condition: K055||Other periodontal diseases,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  nil  nil 
Intervention  Probiotic tablet containing lactobacillus reuteri  Probiotic chewable tablet containing lactobacillus reuteri to be given to half of the sample population along with scaling and root planing once daily. the intervention is the chewable tablet (orateri)along with phase 1 therapy 
 
Inclusion Criteria  
Age From  19.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  1.Age group 25–60 years
2.Both male and female patients
3.Subjective feeling of bad breath.
4.Atleast 16 teeth should be present with a minimum of 4 teeth in each quadrant.
5.Systemically healthy individuals.
6.Who are willing to participate and have signed written consent.
 
 
ExclusionCriteria 
Details  1.Presence of any systemic conditions or debilitating diseases.
2.Smokers, alcoholics, pregnant or lactating women.
3.A recent history or presence of any acute or chronic infections.
4.Patients who had undergone periodontal therapy in the last 6 months.
5.Patients who are paan/tobacco/betel nut users.
6.Patients who are physically or mentally challenged.
7.Patients with periodontal disease or rampant decay with excessive open carious lesions.
8.Patients with Xerostomia.
 
 
Method of Generating Random Sequence   Stratified randomization 
Method of Concealment   Centralized 
Blinding/Masking   Participant and Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
Salivary beta Glucosidase  At Baseline,1 Month and 3 Months 
 
Secondary Outcome  
Outcome  TimePoints 
salivary beta glucosidase level decreased in probiotic supplementation.  3 months 
 
Target Sample Size   Total Sample Size="40"
Sample Size from India="40" 
Final Enrollment numbers achieved (Total)= "40"
Final Enrollment numbers achieved (India)="40" 
Phase of Trial   Phase 1 
Date of First Enrollment (India)   01/04/2025 
Date of Study Completion (India) 29/12/2025 
Date of First Enrollment (Global)  01/04/2025 
Date of Study Completion (Global) Date Missing 
Estimated Duration of Trial   Years="0"
Months="6"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Completed 
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 purpose of the study is to evaluate the efficacy of probiotic chewable tablets containing lactobacillus reuteri on salivary β -glucosidase levels in patients with oral malodour as an adjunct to scaling and root planing –a randomized control trial study.   The role of probiotics in reducing the level of salivary β glucosidase and thereby in the treatment of halitosis has been investigated. Previous studies have shown the effect of scaling and root planing (SRP) along with probiotics in halitosis patients. This study is intended for the assessment of probiotic therapy as an adjunct to scaling and root planing and its effect on salivary β glucosidase levels in halitosis patients.

 
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