{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T19:54:49Z","timestamp":1790798089726,"version":"4.1.0"},"reference-count":26,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2024,8,9]],"date-time":"2024-08-09T00:00:00Z","timestamp":1723161600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J Esthet Restor Dent"],"published-print":{"date-parts":[[2024,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objectives<\/jats:title><jats:p>This study aimed to assess the fit of interim crowns produced using DLP\u2010based 3D printing with different manufacturing workflows\u2014open and proprietary\u2014versus milling technology.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A total of 120 crowns were evaluated using the replica technique. The control group (Mill, <jats:italic>n<\/jats:italic>\u2009=\u200930) was manufactured via subtractive technology. Experimental groups were printed using a DLP printer (SprintRay Pro95). In the proprietary mode (SR100, <jats:italic>n<\/jats:italic>\u2009=\u200930), manufacturer resin was used with a 100\u2010\u03bcm layer thickness (LT) and a splashing cleaning postprocessing. In the open mode, validated resin was used. Group B100 (<jats:italic>n<\/jats:italic>\u2009=\u200930) had a 100\u2010\u03bcm LT, and group B50 (<jats:italic>n<\/jats:italic>\u2009=\u200930) had a 50\u2010\u03bcm followed by postprocessing in an ultrasonic bath with full immersion in isopropyl alcohol. Kruskal\u2013Wallis tests with Bonferroni correction was applied after normal analysis (<jats:italic>\u03b1<\/jats:italic>\u2009=\u20090.05).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Group B50 exhibited the best overall fit (123.87\u2009\u00b1\u200967.42\u2009\u03bcm), which was comparable to the gold standard Milling group, which demonstrated the lowest marginal fit (<jats:italic>p<\/jats:italic>\u2009=\u20090.760). SR100 showed significantly poorer performance compared to Mill, B50, and B100 (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>3D printed and milled interim crowns generally demonstrated clinically acceptable fit, with the exception of the SR100 group. Postprocessing notably influenced crown fit, with the open mode with total immersion in isopropyl alcohol being superior.<\/jats:p><\/jats:sec><jats:sec><jats:title>Clinical Significance<\/jats:title><jats:p>The present study demonstrates that the selection of an optimal manufacturing and postprocessing workflow results in superior fit for interim crowns. This enables dental professionals to evaluate protocols and ensure reliable outcomes with improved clinical outcomes in interim crown fabrication.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jerd.13295","type":"journal-article","created":{"date-parts":[[2024,8,9]],"date-time":"2024-08-09T16:09:19Z","timestamp":1723219759000},"page":"1693-1703","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["Fit comparison of interim crowns manufactured with open and proprietary <scp>3D<\/scp> printing modes versus milling technology: An in vitro study"],"prefix":"10.1111","volume":"36","author":[{"given":"Bel\u00e9n","family":"Mor\u00f3n\u2010Conejo","sequence":"first","affiliation":[{"name":"Department of Conservative and Prosthetic Dentistry, Faculty of Dentistry Analysis of Techniques, Material and Instruments applied to Digital Dentistry and CAD\/CAM Procedures Research Group, University Complutense  Madrid 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