Maxillary Canine Retraction Using Stainless Steel and Titanium-molybdenum Alloy Wires in TAD-supported Segmental Mechanics
Enrolling by invitation · Not applicable
Conditions studied: Malocclusion, Canine Retraction, Orthodontics, Tooth Movement Techniques, Anchorage Planning
In brief
The goal of this randomized clinical study is to compare the effectiveness of stainless steel (SS) and titanium-molybdenum alloy (TMA) wires for maxillary canine retraction using TAD-supported segmental mechanics. The main question it aims to answer is: Which wire material, stainless steel or titanium-molybdenum alloy, provides better outcomes in maxillary canine retraction when used with TAD-supported segmental mechanics? Researchers will compare SS reverse-closing loops with TMA reverse-closing loops to evaluate differences in the rate of canine retraction and canine angulation changes during orthodontic space closure. Participants will: * Receive mini-implants/TADs on both sides of the maxillary arch. * Receive a stainless steel reverse-closing loop on one side and a TMA reverse-closing loop on the contralateral side. * Receive the same standardized force of 150 g on both sides. * Visit the clinic every 4 weeks for a total duration of 4 months. * Undergo OPG radiographs before retraction and after the 4-month study period to assess canine angulation.
Key facts
- Study ID
- NCT07645417
- Run by
- Tanzila Rafique
- People needed
- 16
- Starts
- 2025-07-01
- Expected to finish
- 2026-12-01
- Last updated by the study team
- 2026-06-15
Who can join
Age: 1 and older, up to 3. Sex: any. Healthy volunteers: accepted.
You may qualify if…
- Participants aged 15 to 35 years.
- Both male and female participants.
- Patients with all permanent teeth present, excluding third molars.
- Patients requiring extraction of both maxillary first premolars
- Patients with Class I or Class II molar relationship requiring maximum anchorage.
- Patients already undergoing fixed orthodontic treatment with a 0.018-inch Roth preadjusted appliance system.
- Maxillary canines aligned, symmetrical, and upright before the study.
- Patients in the leveling and alignment stage before canine retraction.
You may not qualify if…
- Missing or absent upper premolars.
- Previous orthodontic, orthognathic or reconstructive treatment.
- Systemic disease contraindicating dental implant placement.
- Use of systemic drugs or presence of systemic illness.
- Compromised periodontal condition.
- Use of anti-inflammatory therapy.
- Smokers.
- Pregnant female participants.
Where it is running
- Bangladesh Medical University (BMU), Dhaka,1000 — Dhaka, Bangladesh
Full record on ClinicalTrials.gov
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