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CTRI Number  CTRI/2024/09/074009 [Registered on: 18/09/2024] Trial Registered Prospectively
Last Modified On: 13/09/2024
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Dentistry 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   This study is to find out in which group of patients under braces treatment, the teeth moves fast when removal of teeth done before or during correction of crooked teeth. 
Scientific Title of Study   Comparative evaluation of rate of extraction space closure between early and delayed therapeutic 1st premolar extraction in bimaxillary protrusion patients using mini implants. 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 Mohamed Shamsudeen  
Designation  Post Graduate Student 
Affiliation  Government Dental College and Hospital, Cuddalore 
Address  Department of Orthodontics, Government Dental College and Hospital,cuddalore erstwhile Rajah Muthiah Dental College and Hospital,Chidambaram

Cuddalore
TAMIL NADU
608002
India 
Phone  9789089546  
Fax    
Email  drshamsudeen981@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr N Kurunji kumaran  
Designation  Professor and Head 
Affiliation  Government Dental College and Hospital, Cuddalore 
Address  Department of Orthodontics, Government Dental College and Hospital,cuddalore erstwhile Rajah Muthiah Dental College and Hospital,Chidambaram

Cuddalore
TAMIL NADU
608002
India 
Phone  9865835965  
Fax    
Email  drkurinchi@yahoo.com  
 
Details of Contact Person
Public Query
 
Name  Dr N Kurunji kumaran 
Designation  Professor and Head 
Affiliation  Government Dental College and Hospital, Cuddalore 
Address  Department of Orthodontics, Government Dental College and Hospital,cuddalore erstwhile Rajah Muthiah Dental College and Hospital,Chidambaram

Cuddalore
TAMIL NADU
608002
India 
Phone  9865835965  
Fax    
Email  drkurinchi@yahoo.com  
 
Source of Monetary or Material Support  
Government Dental College and Hospital, Cuddalore Erstwhile Rajah Muthiah Dental college and hospital, chidambaram,cuddalore,Tamilnadu -608002 For infrastructure 
 
Primary Sponsor  
Name  Dr Mohamed Shamsudeen A I 
Address  Department of orthodontics, Government Dental College and Hospital, Cuddalore Chidambaram-608002 
Type of Sponsor  Other [(self funding)] 
 
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 Mohamed Shamsudeen A I  Government Dental College and Hospital  Department of Orthodontics, Government Dental College and Hospital, Cuddalore, (erstwhile Rajah Muthiah Dental College and Hospital, chidambaram
Cuddalore
TAMIL NADU 
9789089546

drshamsudeen981@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Government Medical College and Hospital,Cuddalore district, Annamalai nagar 608002,INSTITUTIONAL HUMAN ETHICS COMMITTEE  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: K088||Other specified disorders of teethand supporting structures,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Delayed Extraction group  Extraction of 1st premolars after initial levelling and aligning (T1 approx 6-8 months) 
Comparator Agent  Early extraction group  Extraction of 1st premolars before start of orthodontic treatment (T1 - 0 months) 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  35.00 Year(s)
Gender  Both 
Details  1.Class 1 bi-maxillary protrusion without any impacted teeth in maxillary and mandibular anterior region.
2.Cases requiring extraction of both maxillary and mandibular first premolar
3.Little’s index for crowding: 1- 3 mm (minimal crowding)
4.Adult patients 18-35 years of age, both male and female.
5.Patients with periodontally sound dentition.
6.Patients with good general health.
 
 
ExclusionCriteria 
Details  1.Skeletal/Dental class II malocclusion
2.Skeletal/Dental class III malocclusion
3.Poor oral hygiene
4.Smoking
 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Rate of extraction space closure in early and delayed extraction of 1st premolars  20 months 
 
Secondary Outcome  
Outcome  TimePoints 
To assess Root resorption of maxillary anterior teeth pre-treatment and post-retraction  20 months 
To assess Tooth angulation of maxillary incisor teeth pre-treatment and post-retraction  20 months 
 
Target Sample Size   Total Sample Size="30"
Sample Size from India="30" 
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 4 
Date of First Enrollment (India)   25/09/2024 
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="8"
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  

This study is a randomized, parallel group trial investigating in Bimaxillary protrusion patients the effect of early versus delayed extraction (premolar) on the speed of tooth movement in orthodontic treatment by using mini implants. The primary outcome of the study is to compare and evaluate the rate of extraction space closure in early and delayed extraction of 1st premolars for the period of 20 months. The secondary outcomes is to assess root resorption of maxillary anterior teeth pre-treatment and post-retraction and also to assess Tooth angulation of maxillary incisor teeth pre-treatment and post-retraction for the period of 20 months. Total sample size was calculated to be 30 including expected dropout rate of 20 %.

 
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