{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,19]],"date-time":"2026-09-19T16:43:19Z","timestamp":1789836199354,"version":"4.0.1"},"reference-count":38,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2022,7,28]],"date-time":"2022-07-28T00:00:00Z","timestamp":1658966400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clinical Oral Implants Res"],"published-print":{"date-parts":[[2022,10]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>Optical impressions of implants in the edentulous arch are challenged by the absence of distinct surface morphology between multiple implant scan bodies. The purpose of this in vitro study was to evaluate a newly developed scan aid in various designs and colors to improve the accuracy of multi\u2010implant scans.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and Methods<\/jats:title>\n                    <jats:p>A universal scan aid in three different designs (circular, square, irregular) and three different materials (colors: beige, gray, white) was applied to the implant scan bodies of a master model of six implants in an edentulous maxilla. Ten scans using an intra\u2010oral scanner of each scan aid were acquired. Reference scanning was performed using a desktop optical scanner. Alignment of scans was performed at the first scan body in a three\u2010dimensional modeling and inspection software and deviations for trueness and precision were calculated using the signed nearest\u2010neighbor method and then statistically analyzed (\u03b1\u00a0=\u00a0.05).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Overall, the beige irregular scan aid had the highest trueness and showed significant differences compared to unsplinted scans. The precision showed more heterogenous results and decreased when using the scan aid. Ease of use was observed with the irregular gray scan aid due to its increased elongation at break.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>The evaluated scan aid led to improved trueness when compared to unsplinted scans. Even though the irregular design in beige color showed highest trueness, the poor fracture strength of the tested material requires further improvement.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/clr.13982","type":"journal-article","created":{"date-parts":[[2022,7,21]],"date-time":"2022-07-21T05:29:56Z","timestamp":1658381396000},"page":"1010-1020","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":61,"title":["In vitro scanning accuracy using different aids for multiple implants in the edentulous arch"],"prefix":"10.1111","volume":"33","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3067-0756","authenticated-orcid":false,"given":"Florian R.","family":"Kernen","sequence":"first","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery, Translational Implantology Medical Center \u2013 University of Freiburg, Faculty of Medicine, University of Freiburg  Freiburg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6362-4211","authenticated-orcid":false,"given":"Mario","family":"Recca","sequence":"additional","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery, Translational Implantology Medical Center \u2013 University of Freiburg, Faculty of Medicine, University of Freiburg  Freiburg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9278-2203","authenticated-orcid":false,"given":"Kirstin","family":"Vach","sequence":"additional","affiliation":[{"name":"Institute of Medical Biometry and Statistics, Medical Center \u2013 University of Freiburg, Faculty of Medicine, University of Freiburg  Freiburg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Susanne","family":"Nahles","sequence":"additional","affiliation":[{"name":"Charit\u00e9 \u2013 Universit\u00e4tsmedizin Berlin, Corporate Member of Freie Universit\u00e4t Berlin and Humboldt Universit\u00e4t zu Berlin  Berlin Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Katja","family":"Nelson","sequence":"additional","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery, Translational Implantology Medical Center \u2013 University of Freiburg, Faculty of Medicine, University of Freiburg  Freiburg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tabea V.","family":"Fl\u00fcgge","sequence":"additional","affiliation":[{"name":"Charit\u00e9 \u2013 Universit\u00e4tsmedizin Berlin, Corporate Member of Freie Universit\u00e4t Berlin and Humboldt Universit\u00e4t zu Berlin  Berlin Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2022,7,28]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1922\/EJPRD_01752Abduo21"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/jopr.13264"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1155\/2018\/3761750"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1111\/jopr.12764"},{"key":"e_1_2_8_6_1","volume-title":"Guide to dental materials and devices","author":"American Dental Association","year":"1970"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.prosdent.2013.07.010"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.prosdent.2021.02.039"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1111\/jopr.13162"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jpor.2019.04.002"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.17932\/EJOH.2020.022\/ejoh_v01i1003"},{"key":"e_1_2_8_12_1","unstructured":"DIN ISO 5725\u20102. 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