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Accuracy of the Calibrated Framework for Intra Oral Full Arch Scan (A Cross-over Study)

RecruitingNAAges 35 Years - 60 YearsAllMansoura University
NCT07858682 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

This crossover clinical trial aims to compare the accuracy of conventional splinted open-tray implant impressions with intraoral digital scanning using a calibrated framework in completely edentulous patients rehabilitated with full-arch implant-supported prostheses. Accurate transfer of implant positions is essential for achieving a passive fit of the prosthetic framework and minimizing biological and mechanical complications. Twenty healthy completely edentulous patients requiring full-arch implant rehabilitation will be enrolled. Each participant will undergo both conventional and digital impression techniques following implant placement, allowing direct within-subject comparison. The conventional technique consists of a verified splinted open-tray impression, while the digital technique uses an intraoral scanner in combination with a calibrated stock framework. The accuracy of the

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📋 Eligibility rules (as published)
Inclusion Criteria: * Adults aged 18 years or older. * Completely edentulous maxilla and mandible for at least 6 months following the last tooth extraction. * Angle's Class I maxillomandibular relationship with adequate interarch space. * Sufficient residual alveolar bone quantity and quality to receive dental implants. * Good oral hygiene. * Free from uncontrolled systemic diseases or conditions that may interfere with implant osseointegration. * Able and willing to provide written informed consent. Exclusion Criteria: * Temporomandibular joint disorders or parafunctional habits. * Heavy smokers. * Uncontrolled systemic diseases. * History of chemotherapy or radiotherapy to the head and neck region. * Poor neuromuscular coordination. * Localized bone defects that could compromise implant placement.
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What it tests

  • Conventional Splinted Open-Tray Implant Impression
  • Intraoral Digital Scanning Using a Calibrated Framework
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Where

1 site
Noor Alhuda Rahemm Khalil
Al Mansurah, Egypt
🤝 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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