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Comparison Between CAD/CAM and Conventional Mandibular Fixed Retainers.

RecruitingNAAges 13 Years - 20 YearsAllAzienda Ospedaliero-Universitaria Careggi
NCT06529601 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

The devices compared in this study are 'retainers', i.e. fixed orthodontic retainers applied to the lingual surface of the central and lateral incisors and lower canines bilaterally. Their function is to maintain dental alignment once fixed orthodontic therapy has ended. In particular, the CAD/CAM device Keeppy patented by the company Leone SpA (Via Ponte a Quaracchi 50, Sesto Fiorentino, Florence) will be compared with the standard retainer made from a steel braided wire (Ortho FlexTech, Reliance Orthodontic Products Inc., 1540 West Thorndale Ave, Itasca, Illinois, USA). This is a single-center, national, controlled, superiority, randomized, crossover, open-label study. The aim of this study is to evaluate whether the CAD/CAM retainer results in fewer failures (fractures or detachments) over a period of 6 months and 2 years compared to the standard retainer. In addition, the aim of th

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📋 Eligibility rules (as published)
Inclusion Criteria: * Patients who have completed fixed orthodontic therapy between the ages of 13 and 20 years; * Patients whose parents will sign the informed consent Exclusion Criteria: * Presence of dental anomalies in number (excess or deficiency) in the lower anterior teeth * Patients with metal allergies.
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What it tests

  • CAD/CAM mandibular fixed retainer
  • Conventional mandibular fixed retainer
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Where

1 site
Orthodontic Clinic, Division of Dentistry, Careggi University Hospital
Florence, Italy
🤝 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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