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CTRI Number  CTRI/2020/05/025028 [Registered on: 05/05/2020] Trial Registered Prospectively
Last Modified On: 27/04/2020
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Medical Device
Dentistry 
Study Design  Cluster Randomized Trial 
Public Title of Study   A clinical try to compare the changes in the tooth and bone position when using a new type of braces using very light forces and a conventional braces used for treating patients with irregular teeth-A 3 Dimensional study. 
Scientific Title of Study   Comparison of changes in the bone thickness,transverse arch dimensions and arch length between conventional brackets and the Passive self ligating brackets with different arch wire combinations using CBCT and Digital models 
Trial Acronym  DAPSL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  S Aravind Kumar  
Designation  Professor and Head 
Affiliation  Saveetha Dental College and Hospital 
Address  Department of Orthodontics and Dentofacial Orthopedics, Room No 27,Saveetha Dental College and hospital, 163 Poonamalle high road Vellpanchavadi, Chennai PIN 600077 Tamil-Nadu India.

Thiruvallur
TAMIL NADU
600077
India 
Phone  9841299939  
Fax    
Email  dr.aravind.s@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Harish BabuS 
Designation  Professor 
Affiliation  Saveetha Dental College and HospitL 
Address  Department of Orthodontics and Dentofacial Orthopedics, Room No 27,Saveetha Dental College and hospital 163 Poonamalle High road, Vellpanchavadi, Chennai PIN 600077 Tamil-Nadu India.

Thiruvallur
TAMIL NADU
600077
India 
Phone  9360575950  
Fax    
Email  harish.ortho@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Ashwin Mathew George 
Designation  Professor 
Affiliation  Saveetha DentalCollege and Hospital 
Address  Department of Orthodontics and Dentofacial Orthopedics, Room No 27,Saveetha Dental College and hospital, 163 Poonamalle high road, Vellpanchavadi, Chennai PIN 600077 Tamil-Nadu, India.
163,Poonamalle High Road Chennai-600077
Thiruvallur
TAMIL NADU
600077
India 
Phone  9840032771  
Fax    
Email  ashwingeorge90@yahoo.com  
 
Source of Monetary or Material Support  
Ormco Asia 
 
Primary Sponsor  
Name  Ormco Asia  
Address  Ormco India ,C/O Nobel Biocare Pvt Ltd,Unit No 702,7th Floor,A Wing,Supreme Business Park,Supreme City,Powai,Mumbai,400076 
Type of Sponsor  Other [Orthodontic appliances Distributor] 
 
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 Harish Babu  Saveetha Dental College and Hospital  Room no 27,Dept of Orthodontics,Post Graduate Division
Thiruvallur
TAMIL NADU 
9360575950

harish.ortho@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 2  
Name of Committee  Approval Status 
Institutional Human Ethical Committee Saveetha Dental College and Hospitals Saveetha Institute of Medical and Technical Sciences   Approved 
Institutional Human Ethical CommitteeSaveetha Dental College and Hospital  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: Z00-Z13||Persons encountering health services for examinations,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Passive Self Ligating Brackets   Damon Q Passive Self Ligating Brackets and Damon Broad Arch forms ,CuNiti wires. Duration of therapy 18 months 
Comparator Agent  Standard MBT Bracket system  Conventional Arch wires Duration of Therapy:-18 months 
 
Inclusion Criteria  
Age From  12.00 Year(s)
Age To  35.00 Year(s)
Gender  Both 
Details  1.Non Extraction Orthodontic treatment with a space discrepancy more than 5mm.
2. Permanent dentition with full compliment of teeth excluding third molars.
3. No relevant medical history.  
 
ExclusionCriteria 
Details  1. Mixed dentition.
2. Previous history of orthodontic treatment.
3. Tooth with developmental anomalies and fluorosis.
4. Restoration involving labial surface of tooth.
 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Centralized 
Blinding/Masking   Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
Alveolar Bone thickness   18 months 
 
Secondary Outcome  
Outcome  TimePoints 
Arch length and Arch width  19 months 
 
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 
Date of First Enrollment (India)   07/05/2020 
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="7"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Not Yet Recruiting 
Publication Details   None yet 
Individual Participant Data (IPD) Sharing Statement

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

Brief Summary   This is a randomized single blinded controlled study which aims to evaluate and compare the effects of a passive self ligating appliance vs conventional fixed appliance wit broad and regular arch form when used to correct malocclusions.
 A total of 80 randomly selected orthodontic patients with malocclusions of crowding oF more than 5mm in an arch  will be enrolled in this study. They will be divided into 4 groups of 20 patients  each.
Group 1-Control group using conventional brackets with regular arch forms.
Group 2-Passive self ligating brackets with broad arch forms.
Group 3-Passive self ligating with regular arch forms.
Group 4-Conventional brackets with broad arch forms.

All the patients are subjected to orthodontic diagnostic aids comprising of a Cone Beam Cone Beam Computed  tomography(CBCT) and Digital Models.
Patients were recalled for treatment according to specific group protocols and the arch wire changes were made.
At the completion of treatment the patients were  subjected to another set of CBCT and Digital models .The outcome parameters of bone thickness and arch dimensions were then compared to check and compare the effectiveness of each group. 


 
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