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CTRI Number  CTRI/2025/01/079306 [Registered on: 23/01/2025] Trial Registered Prospectively
Last Modified On: 22/01/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Dentistry 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   Comparison of composites in class I compound restorations 
Scientific Title of Study   A comparative evaluation of the clinical performance of bulk-fill and preheated bulk-fill composite resin in class I compound restorations by using custom shield technique 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  Dr Shilpa Nirankari 
Designation  post graduate student 
Affiliation  Government Dental College and Hospital, Nagpur 
Address  Department Of Conservative Dentistry and Endodontics, Government Dental College and Hospital Nagpur,Medical Square, Hanuman Nagar, Nagpur

Nagpur
MAHARASHTRA
440003
India 
Phone  7773944365  
Fax    
Email  dinkykukreja16@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Manjusha M Warhadpande 
Designation  Professor and Head of the Department 
Affiliation  Government Dental College and Hospital, Nagpur 
Address  Department Of Conservative Dentistry and Endodontics, Government Dental College and Hospital Nagpur,Medical Square, Hanuman Nagar, Nagpur

Nagpur
MAHARASHTRA
440003
India 
Phone  9834513896  
Fax    
Email  manjushawarhadpande@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Manjusha M Warhadpande 
Designation  Professor and Head of the Department 
Affiliation  Government Dental College and Hospital, Nagpur 
Address  Department Of Conservative Dentistry and Endodontics, Government Dental College and Hospital Nagpur,Medical Square, Hanuman Nagar, Nagpur

Nagpur
MAHARASHTRA
440003
India 
Phone  9834513896  
Fax    
Email  manjushawarhadpande@gmail.com  
 
Source of Monetary or Material Support  
Government dental college and hospital, medical square, hanuman nagar, nagpur, maharashtra,440003 
 
Primary Sponsor  
Name  Dr shilpa Nirankari 
Address  Department of conservative dentistry and endodontics, Government Dental College and Hospital Nagpur, Maharashtra,440003 
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 Shilpa Nirankari  Government dental college and hospital,Nagpur  117, Post Graduate Section, Department of Conservative dentistry and Endodontics, Government Dental College and Hospital, Nagpur
Nagpur
MAHARASHTRA 
7773944365

dinkykukreja16@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Instituitional Ethics Committee, Government Dental College and Hospital,Nagpur  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  Bulk-fill composite   teeth with class I compound caries restored with bulk-fill composite resin by using custom shield technique will be evaluated for 12 months 
Intervention  Preheated bulk-fill composite   Teeth with class I compound caries restored with preheated bulk-fill composite resin by using custom shield technique will be evaluated 12 months 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  1.Patients aged between 18 to 60 years.
2.Patients with class I compound lesion in permanent molars with caries score 3 & 4 of ICDAS II criteria
 
 
ExclusionCriteria 
Details  1.Patients with deep carious lesions.
2.Patients with compromised periodontal health.
3.Patients who is medically compromised.
4.Pregnant womens .
5.Patients with parafunctional habit.
6.Patients with malpositioned teeth.
7.Patients sensitive to local anaesthesia & latex.
8.Patients not willing to participate.
 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Other 
Blinding/Masking   Participant and Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
The clinical performance of bulk fill and Preheated bulk-fill composite resin in class I compound restorations will be evaluated by two evaluators according to the Modified USPHS criteria .  baseline,6 months,12 months 
 
Secondary Outcome  
Outcome  TimePoints 
To evaluate and compare clinical performance of bulk-fill and preheated bulk-fill composite resin in class I compound restorations with ‘custom shield technique’  baseline, 6 months, 12 months 
 
Target Sample Size   Total Sample Size="90"
Sample Size from India="90" 
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)   05/02/2025 
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 Yet Recruiting 
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   The massive introduction of various fluoridated agents appears to have altered the morphological factor in the development of dental caries. This led to hidden carious lesions which have an intact occlusal surface and hence are occult. Nowadays for restoring such carious lesions the earlier concept of prophylactic  extension is being displaced by minimally invasive dentistry, which focuses on preserving the sound dental structure. The posterior composite resin restorations are the standard in modern dentistry, which is moving towards Biomimetic dentistry   aiming to restore the natural contour & function of the original tooth & it is also important to achieve a harmonious occlusal & cusp fossa relationship in posterior tooth cavity restoration. The direct restorations are time-consuming, technically sensitive, and may not result in correct replication of the form and occlusion. Frequently, along with occlusal surfaces, the buccal and lingual surfaces can be affected by hidden caries and be lost during caries excavation. To resolve all these problems in the class I compound lesions, Gaetano Paolone and Salvatore Scolavino and the style Italiano team introduced the custom shield technique.  This  technique utilizes putty index for recording the height and anatomy of the buccal/palatal cusp before its reduction. Restoration of natural contours using bulk-fill composite resin becomes difficult because of more viscous nature.  it does not get adapted properly to putty index. To improve the adaptation of viscous bulk-fill composite resin, preheating of bulk-fill composite resin is done. Pre-heating of bulk-fill and conventional restorative composites prior to photoactivation decreases polymerization-induced shrinkage forces without compromising the degree of conversion & improves marginal adaption. 
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