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CTRI Number  CTRI/2025/10/096257 [Registered on: 21/10/2025] Trial Registered Prospectively
Last Modified On: 18/10/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Dentistry 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   Comparison of root resorption in lower anteriors between A-NiTi and Cu-NiTi archwires 
Scientific Title of Study   Comparison of root resorption in lower anteriors between A-NiTi and Cu-NiTi archwires using cone beam computed tomography - A randomized clinical 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 Komal Singh 
Designation  Post graduate student 
Affiliation  Bangalore Institute of Dental Sciences and Hospital 
Address  Department of Orthodontics and Dentofacial Orthopedics, Bangalore Institute of Dental Sciences and Hospital, 5/3 Hosur Main Road, Bangalore

Bangalore
KARNATAKA
560027
India 
Phone  6261186965  
Fax    
Email  singhkomalrathod@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Manjunath Hegde 
Designation  Head of Department, Department of Orthodontics and Dentofacial Orthopedics 
Affiliation  Bangalore Institute of Dental Sciences and Hospital 
Address  Department of Orthodontics and Dentofacial Orthopedics, Bangalore Institute of Dental Sciences and Hospital, 5/3 Hosur Main Road, Bangalore

Bangalore
KARNATAKA
560027
India 
Phone  9902878407  
Fax    
Email  21.hegde@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Komal Singh 
Designation  Post graduate student 
Affiliation  Bangalore Institute of Dental Sciences and Hospital 
Address  Department of Orthodontics and Dentofacial Orthopedics, Bangalore Institute of Dental Sciences and Hospital, 5/3 Hosur Main Road, Bangalore


KARNATAKA
560027
India 
Phone  6261186965  
Fax    
Email  singhkomalrathod@gmail.com  
 
Source of Monetary or Material Support  
Bangalore Institute of Dental Sciences and Hospital, 5/3 Hosur Main Road, Bangalore - 560027 
 
Primary Sponsor  
Name  Bangalore Institute of Dental Sciences & Hospital 
Address  Bangalore Institute of Dental Sciences and Hospital, 5/3 Hosur Main Road, Bangalore - 560027 
Type of Sponsor  Private hospital/clinic 
 
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 Komal Singh  Bangalore Institute of Dental Sciences and Hospital  Deptartment of Orthodontics and Dentofacial Orthopedics, Bangalore Institute of Dental Sciences and Hospital, 5/3 Hosur Main Road, Bangalore - 560027
Bangalore
KARNATAKA 
91-6261186965

singhkomalrathod@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethical Clearance Committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: M262||Anomalies of dental arch relationship,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  A-NiTi archwire  0.012-inch A-NiTi,0.014-inch A-NiTi,0.016-inch A-NiTi, 16X22 A-NiTi, 17X25 SS, 19X25 SS wires. Duration is 6 months. 
Intervention  Cu-NiTi archwire  0.013-inch Cu-NiTi,0.016-inch Cu-NiTi,14X25 Cu-NiTi,18X25 Cu-NiTi,19X25 SS wires. Duration of intervention is 6 months 
 
Inclusion Criteria  
Age From  12.00 Year(s)
Age To  30.00 Year(s)
Gender  Both 
Details  1. Complete permanent dentition
2. Crowding and mandibular anterior region
3. Irregularity index(4mm - 9mm) 
 
ExclusionCriteria 
Details  1. History of previous orthodontic treatment
2. Periodontal disease
3. Invisible too malposition
4. Lower incisor subjected to trauma
5. Systemic disease 
 
Method of Generating Random Sequence   Coin toss, Lottery, toss of dice, shuffling cards etc 
Method of Concealment   Case Record Numbers 
Blinding/Masking   Participant, Investigator and Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
Extent of root resorption in lower anterior following alignment phase using A-NiTi and Cu-NiTi  At baseline, 3 months, 6 months 
 
Secondary Outcome  
Outcome  TimePoints 
To compare the extent of root resorption in lower anterior between A-NiTi & Cu-NiTi archwires  At baseline, 3 months, 6 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   N/A 
Date of First Enrollment (India)   31/10/2025 
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="0"
Months="6"
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 aims to evaluate root resorption in lower anteriors by comparing two initial aligning archwires, i.e., A-NiTi and Cu-NiTi archwires at the end of alignment phase using CBCT.
The Null hypothesis of the study is that there is no significant difference in root resorption with A-NiTi arch wires and Cu-NiTi arch wires.
 
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