{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,10]],"date-time":"2026-10-10T05:51:17Z","timestamp":1791611477888,"version":"4.3.4"},"reference-count":32,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,10,9]],"date-time":"2026-10-09T00:00:00Z","timestamp":1791504000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,10,9]],"date-time":"2026-10-09T00:00:00Z","timestamp":1791504000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100022953","name":"Australian Prosthodontic Society","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100022953","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Prosthodontics"],"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>The purpose of this in vitro study was to compare the accuracy of analog impressions, intraoral scanning, extraoral photogrammetry, and intraoral photogrammetry in recording complete\u2010arch implant positions.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and Methods<\/jats:title>\n                    <jats:p>\n                      A stainless\u2010steel reference model representing an edentulous maxilla with six parallel implants and multiunit abutments was tested using two analog impression techniques; seven intraoral scanners with vertical scan bodies: Omnicam, Primescan, Trios 3, Trios 4, Trios 5, i700, and Aoralscan 3; three extraoral photogrammetry systems: PIC, iCam4D, and Tupel 3D; and one intraoral photogrammetry system: Aoralscan Elite (\n                      <jats:italic>n<\/jats:italic>\n                      \u00a0=\u00a010 per group). A coordinate\u2010measuring machine measured the abutment center positions and axes on the reference model and analog stone casts, and a computer\u2010aided design program measured the intraoral scanning and photogrammetry digital files. The inter\u2010abutment distances and angles were compared to determine the accuracy of each technique.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The analog groups recorded linear trueness of 39\u201347\u00a0\u00b5m (precision 17\u201318\u00a0\u00b5m) and angular trueness of 0.07\u00b0\u20130.08\u00b0 (precision 0.02\u00b0\u20130.05\u00b0). The intraoral scanning groups recorded linear trueness of 78\u2013141\u00a0\u00b5m (precision 18\u201383\u00a0\u00b5m) and angular trueness of 0.23\u00b0\u20130.71\u00b0 (precision 0.05\u00b0\u20130.24\u00b0). The extraoral photogrammetry groups recorded linear trueness of 53\u201377\u00a0\u00b5m (precision 2\u201330\u00a0\u00b5m) and angular trueness of 0.22\u00b0\u20130.57\u00b0 (precision 0.01\u00b0\u20130.05\u00b0). The intraoral photogrammetry recorded linear trueness of 15\u00a0\u00b5m (precision 6\u00a0\u00b5m) and angular trueness of 0.11\u00b0 (precision 0.02\u00b0).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Intraoral scanning demonstrated deviations (mean 101\u00a0\u00b5m) over twice that of analog impressions (mean 43\u00a0\u00b5m), while extraoral photogrammetry (mean 62\u00a0\u00b5m) and intraoral photogrammetry (mean 15\u00a0\u00b5m) demonstrated accuracy comparable or superior to analog impressions.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/jopr.70249","type":"journal-article","created":{"date-parts":[[2026,10,10]],"date-time":"2026-10-10T05:33:34Z","timestamp":1791610414000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Accuracy of complete\u2010arch implant positions recorded by analog impressions, intraoral scanning, and extraoral and intraoral photogrammetry"],"prefix":"10.1111","author":[{"ORCID":"https:\/\/orcid.org\/0009-0003-7061-039X","authenticated-orcid":false,"given":"Richard","family":"Lee","sequence":"first","affiliation":[{"name":"The University of Sydney School of Dentistry  Sydney New South Wales Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Darren","family":"Littlefair","sequence":"additional","affiliation":[{"name":"Private laboratory  Sydney Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dale","family":"Howes","sequence":"additional","affiliation":[{"name":"The University of Sydney School of Dentistry  Sydney New South Wales Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,10,9]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"crossref","first-page":"399","DOI":"10.1016\/S0022-3913(83)80101-2","article-title":"Osseointegration and its experimental background","volume":"50","author":"Branemark P\u2010I","year":"1983","journal-title":"J Prosthet Dent"},{"key":"e_1_2_9_3_1","doi-asserted-by":"crossref","first-page":"185","DOI":"10.1016\/0022-3913(90)90177-E","article-title":"The longitudinal clinical effectiveness of osseointegrated dental implants: the Toronto study. 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