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CTRI Number  CTRI/2019/05/019306 [Registered on: 23/05/2019] Trial Registered Prospectively
Last Modified On: 19/08/2019
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Dentistry
Other (Specify) [remineralizing tooth pastes]  
Study Design  Non-randomized, Active Controlled Trial 
Public Title of Study   A clinical research to compare the remineralising effects of two commercially available pastes. 
Scientific Title of Study   Comparative evaluation of remineralization efficacy Nanohydroxyapatite and Bioactive glass on demineralized enamel – An in situ study 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr A Yogha Padhma 
Designation  Post graduate student 
Affiliation  Adhiparasakthi Dental College 
Address  Department of Conservative Dentistry and Endodontics, Adhiparasakthi Dental College and Hospital, Melmaruvathur, Kancheepuram district, Tamilnadu
na
Kancheepuram
TAMIL NADU
603319
India 
Phone  7708722632  
Fax    
Email  yoghapadhma23@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr N Srinivasan 
Designation  Reader 
Affiliation  Adhiparasakthi Dental College 
Address  Department of Conservative Dentistry and Endodontics, Adhiparasakthi Dental College and Hospital, Melmaruvathur, Kancheepuram district, Tamilnadu
na
Kancheepuram
TAMIL NADU
603319
India 
Phone  9840479056  
Fax    
Email  srinistatsolutions@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr A Yogha Padhma 
Designation  Post graduate student 
Affiliation  Adhiparasakthi Dental College 
Address  Department of Conservative Dentistry and Endodontics, Adhiparasakthi Dental College and Hospital, Melmaruvathur, Kancheepuram district, Tamilnadu
na
Kancheepuram
TAMIL NADU
603319
India 
Phone  7708722632  
Fax    
Email  yoghapadhma23@gmail.com  
 
Source of Monetary or Material Support  
Dr A Yogha Padhma Post graduate, Department of Conservative Dentistry and Endodontics, Adhiparasakthi Dental College and Hospital, Melmaruvathur, Kancheepuram district, Tamilnadu - 603319 
 
Primary Sponsor  
Name  Dr A Yogha Padhma 
Address  Post graduate student, Second year, Department of Conservative Dentistry and Endodontics, Adhiparasakthi Dental College and Hospital, Melmaruvathur, Kancheepuram district, Tamilnadu - 603319 
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 A Yogha Padhma  Adhiparasakthi dental college and hospital, Melmaruvathur  Depatment of Conservative dentistry and Endodontics,Adhiparasakthi dental college, Melmaruvathur
Kancheepuram
TAMIL NADU 
7708722632

yoghapadhma23@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
INSTITUTIONAL REVIEW BOARD AND INSTITUTIONAL ETHICAL COMMITTEE OF ADHIPARASAKTHI DENTAL COLLEGE, MELMARUVATHUR   Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Healthy Human Volunteers  healthy subjects without any active caries or periodontal diseases 
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Bioactive glass  A commercially available Paste containing Bioactive glass and fluoride applied on the surface of enamel slab twice daily. Duration: 3 minutes for each application.(Total Duration of therapy 7 days) Route of Administration: Topical (paste) 
Intervention  Nanohydroxyapatite paste  A commercially available Paste containing nano sized hydroxyapatite applied on the surface of enamel slab twice daily. Duration: 3 minutes for each application.(Total Duration of therapy 7 days) Route of Administration: Topical (paste) 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  35.00 Year(s)
Gender  Both 
Details  Participants with good oral hygiene, Participants with a salivary pH ranging between 6.8 – 7.2,
Participants with salivary flow above 1.0ml/min
Presence of atleast 22 natural teeth with no caries activity or periodontal disease.

 
 
ExclusionCriteria 
Details  Participants with poor oral hygiene
Participants with very high caries activity
Participants with less than 22 teeth
Participants on antimicrobial or any other treatment
 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
Vicker’s microhardness values  7 days after remineralization 
 
Secondary Outcome  
Outcome  TimePoints 
NA  NA 
 
Target Sample Size   Total Sample Size="6"
Sample Size from India="6" 
Final Enrollment numbers achieved (Total)= "6"
Final Enrollment numbers achieved (India)="6" 
Phase of Trial   Phase 4 
Date of First Enrollment (India)   31/05/2019 
Date of Study Completion (India) 08/07/2019 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Date Missing 
Estimated Duration of Trial   Years="0"
Months="0"
Days="8" 
Recruitment Status of Trial (Global)
Modification(s)  
Not Applicable 
Recruitment Status of Trial (India)  Completed 
Publication Details   Remineralization of enamel subsurface lesions in situ by sugar‐free lozenges containing casein phosphopeptideamorphous calcium phosphate F. Cai P. Shen MV Morgan EC Reynolds, March 2008 2. In Situ Caries Models D.T. Zero, 1995 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Brief Summary  

This is an in-situ study comparing the efficacy of biomimetic (nanohydroxapatite) and non biomimetic remineralizing agents (bioactive glass) on demineralized enamel slabs obtained from extracted human third molar teeth (cleaned and autoclaved).

In-Situ study design: The remineralization phase will take place in the oral cavity of healthy volunteers under the influence of saliva.

Six healthy adult volunteers (post graduate dental students) will take part in a 7 days in-situ study after giving consent.  They will wear acrylic palatal appliances, with each appliance containing two rows of three demineralized enamel slabs. One row slabs will be treated using biomimetic remineralization system (Nanohydroxyapatite - Group I) and the other row slabs will receive non-biomimetic remineralization systems (Bioactive glass - Group II) for 7 days. A part of the enamel slab will serve as its own control (Baseline and demineralization). After the completion of remineralization cycle, Vickers microhardness values will be  calculated. 
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