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Clinical Evaluation of Customized Attachment Composites in Clear Aligner Therapy

Recruitingn/aAges any - anyAllSaglik Bilimleri Universitesi
NCT07261735 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

This prospective observational clinical study aims to evaluate the three-dimensional surface wear and clinical survival of orthodontic attachments fabricated with customized composite materials used in clear aligner therapy. Attachments play a critical role in the biomechanical efficiency of aligner treatment by facilitating planned tooth movements. However, the mechanical and surface properties of the composites used for attachment fabrication may affect their wear behavior and long-term stability. In this study, four different composite materials will be tested using a split-mouth design in patients treated with clear aligners. Each quadrant will receive a different composite, including both customized and universal types. All attachments will be fabricated using standardized digital templates and bonded under identical clinical conditions. Surface wear will be evaluated using three-d

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📋 Eligibility rules (as published)
Inclusion Criteria: * Fully erupted permanent dentition. * No existing prosthetic restorations. * Mild-to-moderate dental crowding or spacing (2-6 mm). * Patients who are scheduled to undergo clear aligner therapy at the Department of Orthodontics, Gülhane Faculty of Dentistry, between 01.08.2025 and 01.08.2026. * Patients who agree to participate and provide informed consent. Exclusion Criteria: * History of previous fixed orthodontic treatment. * Patients with poor predicted compliance or low cooperation. * Presence of severe or generalized periodontal disease. * High caries incidence or untreated caries. * Poor oral hygiene * Habitual consumption of hard foods. * Bruxism * Congenitally missing permanent teeth. * Dental developmental anomalies. * Teeth with existing composite resin restorations or ceramic crowns on buccal surfaces (which may interfere with attachment bonding or wear analysis)
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What it tests

  • GC G-ænial A'Chord Universal Composite
  • Spectra ST HV (High Viscosity)
  • Spectra ST LV (Low Viscosity)
  • GC Aligner Connect Composite
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Where

1 site
University of Health Sciences, Gülhane Faculty of Dental Medicine
Ankara, Turkey (Türkiye)
🤝 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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