{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,26]],"date-time":"2026-06-26T10:52:40Z","timestamp":1782471160253,"version":"3.54.5"},"reference-count":41,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2025,3,3]],"date-time":"2025-03-03T00:00:00Z","timestamp":1740960000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clin Implant Dent Rel Res"],"published-print":{"date-parts":[[2025,4]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:sec><jats:title>Introduction<\/jats:title><jats:p>The acquisition of digital impressions has become an integral part of clinical dentistry. The purpose of the present clinical simulation study was to evaluate the accuracy of digital impressions for maxillary full\u2010arch implant\u2010supported prostheses using two modern intraoral scanners with different acquisition technologies.<\/jats:p><\/jats:sec><jats:sec><jats:title>Material and Methods<\/jats:title><jats:p>Two models of edentulous maxilla, with six implants at positions #16,14,12,22,24,26 (FDI World Dental Federation System, ISO 3950) or #3,5,7,10,12,14 (Universal Numbering system) were digitally designed, and 3D\u2010printed in resin material (Asiga DentaMODEL, Australia). In the first scenario, all implants were parallelized, while in the second, implants #12\/#7 and #22\/#10 had a 20\u00b0 angulation buccally, while implants #16\/#3 and #26\/#14 20\u00b0 angulation distally. The models were scanned with two different intraoral scanners, Trios3 (3Shape, Denmark) and CS3600 (Carestream Dental, USA). Linear (x, y, z axes\u2014top point) and angular deviations (x, y, z axes\u2014\u0394\u03c6) were assessed. Statistical analysis was performed using Kolmogorov\u2013Smirnov tests (significance at <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Implant angulation showed a significant impact on accuracy, while the two scanners showed statistically significant differences. CS3600 demonstrated superior trueness, while Trios3 superior precision in both clinical scenarios. In the first clinical scenario a predominant occurrence of angular deviations was observed, while in the second scenario both angular and linear deviations were recorded. Scan body position also influenced scanning outcomes, with the last scan body captured demonstrating higher deviations.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Both scanners provided acceptable accuracy in the acquisition of digital impressions. Implant angulation and scan body position significantly affected trueness and precision. Clinicians should carefully consider implant angulations in full\u2010arch implant restorations, as well as the scanning protocol.<\/jats:p><\/jats:sec>","DOI":"10.1111\/cid.70001","type":"journal-article","created":{"date-parts":[[2025,3,8]],"date-time":"2025-03-08T03:24:11Z","timestamp":1741404251000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["The Effect of Angulation and Scan Body Position on Scans for Implant\u2010Treated Edentulism: A Clinical Simulation Study"],"prefix":"10.1111","volume":"27","author":[{"given":"Georgia","family":"Vasileiadi","sequence":"first","affiliation":[{"name":"Department of Prosthodontics, School of Dentistry Aristotle University of Thessaloniki (AUTh)  Thessaloniki Greece"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Evangelos","family":"Ximinis","sequence":"additional","affiliation":[{"name":"Department of Prosthodontics, School of Dentistry Aristotle 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