{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,26]],"date-time":"2026-10-26T17:45:09Z","timestamp":1793036709212,"version":"4.5.0"},"reference-count":30,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2016,3,2]],"date-time":"2016-03-02T00:00:00Z","timestamp":1456876800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Prosthodontics"],"published-print":{"date-parts":[[2017,12]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>To evaluate the performance (accuracy and repeatability) and the factors affecting the clinical performance of a recently released intraoral scanner based on active wavefront sampling technology.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and Methods<\/jats:title>\n                    <jats:p>\n                      A single resin model of an edentulous maxilla fitted with six implants inserted at various depths and angulations was measured with a coordinated measuring machine (CMM) at 3 to 5  \u03bcm, and this acted as the \u201ctrue,\u201d or reference, values of the study. Six corresponding cylindrical PEEK scanbodies were then mounted onto the implants, and four calibrated observers independently repeated the digital intraoral scan five times with a True Definition (TrueDef) scanner. Using implant position #15 as a reference, five linear and angular measurements were compared with the reference values (CMM), and the data were analyzed via one\u2010way ANOVA and two\u2010sample\n                      <jats:italic>t<\/jats:italic>\n                      \u2010test.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Mean linear and angular deviations for the TrueDef from CMM measurements were from 5.38 \u00b1 12.61 \u03bcm to \u201326.97 \u00b1 50.56 \u03bcm and from 0.16\u00ba \u00b1 0.04\u00ba to \u20130.43\u00ba \u00b1 0.1\u00ba, respectively. Experienced observers performed significantly better than inexperienced ones (\n                      <jats:italic>p<\/jats:italic>\n                      = 0.006), and scan distance (quadrant) significantly affected scanning accuracy (\n                      <jats:italic>p<\/jats:italic>\n                      = 0.003). Visible length of the scanbody affected measurement accuracy (\n                      <jats:italic>p<\/jats:italic>\n                      = 0.0001), while implant angulation did not (\n                      <jats:italic>p<\/jats:italic>\n                      = 0.757).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>The TrueDef scanner provides measurements within clinically accepted limits. Yet scanbody visibility, observer experience, and scan length remain relevant factors affecting accuracy.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/jopr.12457","type":"journal-article","created":{"date-parts":[[2016,3,2]],"date-time":"2016-03-02T15:54:48Z","timestamp":1456934088000},"page":"650-655","source":"Crossref","is-referenced-by-count":154,"title":["An In Vitro Study of Factors Influencing the Performance of Digital Intraoral Impressions Operating on Active Wavefront Sampling Technology with Multiple Implants in the Edentulous Maxilla"],"prefix":"10.1111","volume":"26","author":[{"given":"Beatriz","family":"Gimenez\u2010Gonzalez","sequence":"first","affiliation":[{"name":"Department of Oral Implantology and Prosthetic Dentistry at the Academic Centre for Dentistry Amsterdam (ACTA)  Amsterdam The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bassam","family":"Hassan","sequence":"additional","affiliation":[{"name":"Department of Oral Implantology and Prosthetic Dentistry at the Academic Centre for Dentistry Amsterdam (ACTA)  Amsterdam The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mutlu","family":"\u00d6zcan","sequence":"additional","affiliation":[{"name":"University of Zurich, Dental Materials Unit, Center for Dental and Oral Medicine Clinic for Fixed and Removable Prosthodontics and Dental Materials Science  Zurich Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Guillermo","family":"Prad\u00edes","sequence":"additional","affiliation":[{"name":"Department of Buccofacial Prostheses (Stomatology I) Faculty of Odontology, Complutense University of Madrid  Madrid 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