{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T10:54:57Z","timestamp":1791284097224,"version":"4.1.0"},"reference-count":37,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T00:00:00Z","timestamp":1791244800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"},{"start":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T00:00:00Z","timestamp":1791244800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"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>To compare the relative accuracy of intraoral photogrammetry (IPG) and intraoral scan (IOS) with conventional scan bodies (IOS\u2010CB) for complete\u2010arch implant impressions, using the conventional splinted open\u2010tray impression digitized with a laboratory scanner (COT\u2010LS) as the reference standard.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and Methods<\/jats:title>\n                    <jats:p>\n                      Twenty\u2010six edentulous maxillary arches restored with four BioHorizons Tapered Internal implants supporting multiunit abutments were included. For each patient, three impressions were obtained: (1) a conventional splinted open\u2010tray impression poured in type IV dental stone and scanned with a laboratory extraoral scanner to generate the COT\u2010LS dataset; (2) an IOS\u2010CB using the Aoralscan Elite, with scan bodies present from the outset of a single continuous scanning pass; and (3) an IPG scan using the same device in photogrammetry mode with dedicated scan flags mounted on the multiunit abutments. STL files were analyzed in Geomagic Control X, with the COT\u2010LS dataset used as the reference. Relative accuracy was quantified as centroid\u2010based linear deviation from COT\u2010LS following best\u2010fit alignment. Measurement reproducibility was assessed using intraclass correlation coefficients (ICC) from two independent examiners analyzing the same datasets. The IOS\u2010CB and IPG datasets were superimposed to calculate linear and three\u2010dimensional positional deviations (\u00b5m). A repeated\u2010measures two\u2010way ANOVA with Tukey post hoc testing was performed (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0&lt;\u00a00.05).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      IPG demonstrated significantly lower deviations than IOS\u2010CB in the full\u2010arch, anterior right, and anterior left regions (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0&lt;\u00a00.001). IOS\u2010CB showed significantly lower deviations than IPG in both posterior right and posterior left regions (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0&lt;\u00a00.001). The full\u2010arch mean deviation was lower for IPG (39.2\u00a0\u00b5m) than IOS\u2010CB (45.1\u00a0\u00b5m). All deviations for both techniques remained within the clinically acceptable threshold for passive fit. ICC values for measurement reproducibility exceeded 0.95 for both techniques.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Within the limitations of this clinical study, IPG demonstrated a lower full\u2010arch mean deviation than IOS\u2010CB when evaluated against the COT\u2010LS reference. However, as the inherent dimensional error of the COT\u2010LS reference may approach or exceed the 5.9\u00a0\u00b5m between\u2010technique difference, this finding should be considered hypothesis\u2010generating rather than confirmatory evidence of a trueness advantage. Measurement reproducibility was high for both techniques (ICC &gt;0.95).<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/jopr.70237","type":"journal-article","created":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T10:31:52Z","timestamp":1791282712000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Relative accuracy of intraoral photogrammetry and intraoral scanning with conventional scan\u2010body for full\u2010arch implants"],"prefix":"10.1111","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8605-7558","authenticated-orcid":false,"given":"Sherif Aly","family":"Sadek","sequence":"first","affiliation":[{"name":"Prosthodontic Department Faculty of Dentistry Cairo University  Cairo Egypt"},{"name":"Prosthodontic Division, Restorative Department College of Dentistry Gulf Medical University  Ajman UAE"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3113-789X","authenticated-orcid":false,"given":"Mona Samir","family":"Gaber","sequence":"additional","affiliation":[{"name":"Fixed and Removable Prosthodontics Department Oral and Dental Research Institute National Research Centre Cairo Egypt"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6733-6527","authenticated-orcid":false,"given":"Marwa Hassan","family":"Mostafa","sequence":"additional","affiliation":[{"name":"Fixed and Removable Prosthodontics Department Oral and Dental Research Institute National Research Centre Cairo Egypt"},{"name":"Removable Prosthodontics Department, Faculty of Dentistry King Salman International University  South Sinai Egypt"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2172-3569","authenticated-orcid":false,"given":"Hadiel","family":"Zamzam","sequence":"additional","affiliation":[{"name":"Fixed Prosthodontics Department Faculty of Dentistry Suez University Suez Egypt"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,10,6]]},"reference":[{"issue":"1","key":"e_1_2_9_2_1","doi-asserted-by":"crossref","first-page":"135","DOI":"10.4103\/ejd.ejd_340_16","article-title":"Complications in implant dentistry","volume":"11","author":"Hanif A","year":"2017","journal-title":"Eur J Dent"},{"issue":"4","key":"e_1_2_9_3_1","doi-asserted-by":"crossref","first-page":"497","DOI":"10.1111\/cid.13093","article-title":"Prosthetic complications and maintenance of different attachments used to stabilize mandibular 2\u2010implant overdentures in patients with atrophied ridges. A 5\u2010year randomized controlled clinical trial","volume":"24","author":"EL MA","year":"2022","journal-title":"Clin Implant Dent Relat Res"},{"issue":"4","key":"e_1_2_9_4_1","doi-asserted-by":"crossref","first-page":"281","DOI":"10.1111\/jopr.13162","article-title":"Digital versus conventional full\u2010arch implant impressions: a prospective study on 16 edentulous maxillae","volume":"29","author":"Chochlidakis K","year":"2020","journal-title":"J Prosthodont"},{"issue":"4","key":"e_1_2_9_5_1","doi-asserted-by":"crossref","first-page":"836","DOI":"10.11607\/jomi.3625","article-title":"Accuracy of implant impressions for partially and completely edentulous patients: a systematic review","volume":"29","author":"Papaspyridakos P","year":"2014","journal-title":"Int J Oral Maxillofac Implants"},{"issue":"6","key":"e_1_2_9_6_1","doi-asserted-by":"crossref","first-page":"662","DOI":"10.1563\/AAID-JOI-D-13-00126","article-title":"Comparison of the accuracy of different transfer impression 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