{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T01:13:50Z","timestamp":1787015630426,"version":"build-2736575974"},"reference-count":69,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2024,6,21]],"date-time":"2024-06-21T00:00:00Z","timestamp":1718928000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Prosthodontics"],"published-print":{"date-parts":[[2024,8]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>This in vitro study aimed to create a graded structured dental crown using 3D printing technology and investigate the fracture resistance and the adaptation of this new design.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and Methods<\/jats:title>\n                    <jats:p>\n                      A dental crown with a uniform thickness of 1.5\u00a0mm was designed, and the exported stereolithography file (STL) was used to manufacture 30 crowns in three groups (\n                      <jats:italic>n<\/jats:italic>\n                      = 10), solid (SC), bilayer (BL), and multilayer (ML) crowns using\u00a0 3D jet printing technology. Marginal and internal gaps were measured using the silicone replica technique. Crowns were then luted to a resin die using a temporary luting agent and the fracture resistance was measured using a universal testing machine. One\u2010way ANOVA and Tukey post hoc tests were used to compare the fracture resistance and the adaptation of crowns at a significance level of 0.05.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Mean marginal and internal gap of the ML group were 80 and 82\u00a0mm, respectively; which were significantly (\n                      <jats:italic>p\u00a0<\/jats:italic>\n                      &lt;\u00a00.05) smaller than BL (203 and 183\u00a0mm) and SC (318 and 221\u00a0mm) groups. The SC group showed the highest mean load at fracture (2330 N) which was significantly (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0&lt;\u00a00.05) higher than the BL (1716 N) and ML (1516 N) groups.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>3D jet printing technology provides an opportunity to manufacture crowns in a graded structure with various mechanical properties. This study provided an example of graded structured crowns and presented their fracture resistance. SC group had the highest fracture resistance; however, ML had the best marginal and internal adaptation.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/jopr.13895","type":"journal-article","created":{"date-parts":[[2024,6,21]],"date-time":"2024-06-21T23:29:40Z","timestamp":1719012580000},"page":"684-690","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Fracture resistance, marginal and internal adaptation of innovative 3D\u2010printed graded structure crown using a 3D jet printing technology"],"prefix":"10.1111","volume":"33","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8970-9611","authenticated-orcid":false,"given":"Amirali","family":"Zandinejad","sequence":"first","affiliation":[{"name":"Implant Dentistry Associates of Arlington ClearChoice  Arlington Texas USA"},{"name":"School of Medicine and Dentistry University of Rochester  Rochester New York USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4874-583X","authenticated-orcid":false,"given":"Ramtin Sadid","family":"Zadeh","sequence":"additional","affiliation":[{"name":"Department of Restorative Dentistry, School of Dentistry University of Alabama at Birmingham  Birmingham Alabama USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1234-7744","authenticated-orcid":false,"given":"Leila Nasiry","family":"Khanlar","sequence":"additional","affiliation":[{"name":"A.T. 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