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Effectiveness of Gold Fixed Retainers Compared to Conventional Stainless Steel Retainers

RecruitingNAAges 15 Years - 30 YearsAllNoor Sattar Raheem
NCT07280455 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

This randomized clinical trial will compare the effectiveness of a gold-plated multistranded mandibular fixed retainer versus a conventional multistranded stainless-steel fixed retainer in maintaining lower anterior tooth alignment after completion of orthodontic treatment. Eligible participants (post-orthodontic patients requiring mandibular fixed retention) will be allocated in a 1:1 ratio to receive either a gold-plated 0.0195-inch multistranded retainer or an identical-gauge 0.0195-inch stainless-steel multistranded retainer. Participants will be followed for 6 months. The primary outcome is post-treatment stability of mandibular anterior alignment, assessed by changes in Little's Irregularity Index over time, along with retainer failure outcomes (e.g., time to first failure and tooth-level failure events). Secondary outcomes include periodontal health indices and related clinical m

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📋 Eligibility rules (as published)
Inclusion Criteria: * Age: 15-30 years. * Patients who have completed comprehensive orthodontic treatment ,with well-aligned mandibular anterior teeth (Little's Irregularity Index ≤ 0.5 mm) at debond; both extraction and non-extraction cases are eligible. * Patients with good oral hygiene and healthy periodontium at baseline; no previous bonded retainer. * All mandibular anterior teeth present (canine-canine), with sound lingual enamel suitable for bonding. Exclusion Criteria: * Patients with a history of rapid maxillary expansion (RME) or surgically assisted RME (SARME). * Patients with a cleft lip / and or palate (craniofacial anomalies). * Patients with marked deep overbite and/or parafunctional habits (e.g., bruxism, clenching). * Patients with conditions precluding reliable bonding in the mandibular anterior segment (active caries, extensive restorations, enamel fractures) or missing teeth from canine to canine. * Patients with medical/periodontal conditions likely to affect gingival health (e.g., active periodontitis, uncontrolled systemic disease).
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What it tests

  • Gold-coated fixed retainer wire
  • Stainless steel fixed retainer wire
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Where

1 site
College of Dentistry, University of Baghdad - Orthodontic Clinics
Baghdad, Iraq
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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