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CTRI Number  CTRI/2025/12/098979 [Registered on: 11/12/2025] Trial Registered Prospectively
Last Modified On: 11/12/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Preventive
Dentistry 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   Testing a dye and a gel for finding plaque in children 
Scientific Title of Study   An in vivo comparative study on the efficiency of a disclosing dye and a gel in detection of dental plaque among pediatric patients 
Trial Acronym  Nil 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Kareena Singh 
Designation  Post graduate student 
Affiliation  Pacific Dental College And Hospital Debari Udaipur  
Address  Pacific dental college and hospital debari Udaipur Rajasthan
Department of Pediatric and Preventive Dentistry room no 9 pacific dental college and hospital debari udaipur
Udaipur
RAJASTHAN
313024
India 
Phone  9099125725  
Fax    
Email  dr.skareena099@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Dinesh Rao 
Designation  Head of Department PG Guide  
Affiliation  Pacific Dental College And Hospital Debari  
Address  Department of pediatric and preventive dentistry room no 9 Pacific dental college and hospital debari udaipur
Department of pediatric and preventive dentistry room no 9 Pacific dental college and college and hospial udaipur
Udaipur
RAJASTHAN
313024
India 
Phone  07340659914  
Fax    
Email  pedodinesh2003@yahoo.co.in  
 
Details of Contact Person
Public Query
 
Name  Dr Dinesh Rao 
Designation  Head of Department PG Guide  
Affiliation  Pacific Dental College And Hospital Debari  
Address  Department of pediatric and preventive dentistry room no 9 Pacific dental college and hospital debari udaipur
Department of pediatric and preventive dentistry room no 9 Pacific dental college and college and hospial udaipur
Udaipur
RAJASTHAN
313024
India 
Phone  07340659914  
Fax    
Email  pedodinesh2003@yahoo.co.in  
 
Source of Monetary or Material Support  
Department of pediatric and preventive dentistry room no 9 Pacific dental college and Hospital debari Udaipur rajasthan 313024 
 
Primary Sponsor  
Name  Kareena Singh  
Address  Department of pediatric and preventive dentistry room no 9 Pacific dental college and hospital debari Udaipur rajasthan 313024 
Type of Sponsor  Other [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 
Kareena Singh  Pacific dental college and hospital debari udaipur   Department of pediatric and preventive dentistry room no 9 Pacific dental college and hospital debari udaipur
Udaipur
RAJASTHAN 
9414158235

pedodinesh2003@yahoo.co.in 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
pacific dental college and hospital, debari Udaipur  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: K050||Acute gingivitis,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Disclosing dye   in group 1 for plaque detection  
Comparator Agent  Disclosing gel   in group 2 for plaque detection 
 
Inclusion Criteria  
Age From  6.00 Year(s)
Age To  13.00 Year(s)
Gender  Both 
Details  Cooperative children aged between 6 to 8 years Frankl rating 3 or 4
Children with good physical and mental health without any history of systemic disease
patient requiring oral prophylaxis
 
 
ExclusionCriteria 
Details  Non-cooperative children Frankl rating 1 or 2
those who are allergic to dye or gel
 
 
Method of Generating Random Sequence   Coin toss, Lottery, toss of dice, shuffling cards etc 
Method of Concealment   Centralized 
Blinding/Masking   Participant and Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
Application time
Mean plaque score  
at baseline 
 
Secondary Outcome  
Outcome  TimePoints 
Patient acceptance
Operator acceptance  
Checked by likert rating scale  
 
Target Sample Size   Total Sample Size="80"
Sample Size from India="80" 
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/ Phase 4 
Date of First Enrollment (India)   22/12/2025 
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="0"
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  

Introduction:

Dental plaque is a key factor in the development of caries and periodontal disease, particularly in children due to their developing oral hygiene habits. Disclosing agents are effective tools for visualizing plaque accumulation. While both disclosing dyes and gels are widely used, comparative evidence regarding their effectiveness in paediatric patients is limited.

Objective:

To compare the effectiveness of a disclosing dye and a disclosing gel in detecting dental plaque among paediatric patients and evaluate their plaque visibility, ease of application, and acceptance by both patients and operators.

Methodology:

A randomized in vivo study was conducted in children aged 6–13 years. Participants were equally divided into two groups: disclosing gel group (erythrosine gel) and disclosing dye group (two-tone dye). Each participant underwent plaque disclosure, with application time recorded. Clinical examination was performed using the Turesky Modification of the Quigley-Hein Plaque Index. Plaque visibility, ease of use, and acceptance were assessed using a Likert scale.

Results:

Both agents effectively disclosed plaque. However, the gel group demonstrated significantly higher mean plaque scores, indicating better visualization. The gel was also preferred for its pleasant taste, controlled flow, and ease of use, leading to higher patient and operator acceptance.

Conclusion:

The erythrosine disclosing gel proved more effective than the traditional dye in detecting plaque and was better accepted by paediatric patients. It is recommended as a superior tool for plaque assessment and oral hygiene education in children 
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