{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T02:04:32Z","timestamp":1782871472601,"version":"3.54.5"},"reference-count":29,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2021,7,9]],"date-time":"2021-07-09T00:00:00Z","timestamp":1625788800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001807","name":"Funda\u00e7\u00e3o de Amparo \u00e0 Pesquisa do Estado de S\u00e3o Paulo","doi-asserted-by":"publisher","award":["2013\/14831\u20101"],"award-info":[{"award-number":["2013\/14831\u20101"]}],"id":[{"id":"10.13039\/501100001807","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001807","name":"Funda\u00e7\u00e3o de Amparo \u00e0 Pesquisa do Estado de S\u00e3o Paulo","doi-asserted-by":"publisher","award":["2014\/00668\u20104"],"award-info":[{"award-number":["2014\/00668\u20104"]}],"id":[{"id":"10.13039\/501100001807","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clinical &amp; Exp Dental Res"],"published-print":{"date-parts":[[2021,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objectives<\/jats:title><jats:p>This study evaluated the effect of restoration occlusal design on the maximum fracture load and stress distribution of a feldspathic ceramic crown.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>Twenty dentin analogues were used to simulate a full\u2010crown preparation. Next, 20 feldspathic crowns were milled according to the occlusal design parameter available in the CAD database (Young or Adult). The crowns were cemented with dual cure resin\u2010cement and loaded until fracture at 1\u2009mm\/min crosshead speed. Data were analyzed by using one\u2010way ANOVA and Tukey tests (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05). The same geometry and experimental setup was modeled and exported to the computer aided engineering software and tensile stress concentration was calculated using the finite element method with 300\u2009N occlusal load simulation.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The occlusal anatomy significantly influenced the load\u2010to\u2010fracture (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05). Adult design showed higher mean values (1149\u2009\u00b1\u2009201\u2009N) than Young design (454\u2009\u00b1\u200977\u2009N). The maximum principal stress criteria showed similar stress pattern for both designs, however, the highest stress concentration was calculated for Young design (91\u2009MPa) in the occlusal surface.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>An anatomy design with reduced cusp angulation and less evident occlusal sulcus can reduce the stress concentration and increase the fracture load for feldspathic CAD\/CAM posterior crowns.<\/jats:p><\/jats:sec>","DOI":"10.1002\/cre2.454","type":"journal-article","created":{"date-parts":[[2021,7,9]],"date-time":"2021-07-09T11:48:11Z","timestamp":1625831291000},"page":"1190-1196","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["Effect of occlusal anatomy of <scp>CAD<\/scp>\/<scp>CAM<\/scp> feldspathic posterior crowns in the stress concentration and fracture load"],"prefix":"10.1002","volume":"7","author":[{"given":"Alexandre Luiz Souto","family":"Borges","sequence":"first","affiliation":[{"name":"Department of Dental Materials and Prosthetics S\u00e3o Paulo State University (UNESP), Institute of Science and Technology  S\u00e3o Jos\u00e9 dos Campos Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5412-3546","authenticated-orcid":false,"given":"Jo\u00e3o Paulo Mendes","family":"Tribst","sequence":"additional","affiliation":[{"name":"Department of Dental Materials and Prosthetics S\u00e3o Paulo State University (UNESP), Institute of Science and Technology  S\u00e3o Jos\u00e9 dos Campos Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aline Lins","family":"de Lima","sequence":"additional","affiliation":[{"name":"Department of Dental Materials and Prosthetics S\u00e3o Paulo State University (UNESP), Institute of Science and Technology  S\u00e3o Jos\u00e9 dos Campos Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3844-2053","authenticated-orcid":false,"given":"Amanda Maria de Oliveira","family":"Dal Piva","sequence":"additional","affiliation":[{"name":"Department of Dental Materials and Prosthetics S\u00e3o Paulo State University (UNESP), Institute of Science and Technology  S\u00e3o Jos\u00e9 dos Campos Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9623-6098","authenticated-orcid":false,"given":"Mutlu","family":"\u00d6zcan","sequence":"additional","affiliation":[{"name":"Division of Dental Biomaterials, Center for Dental and Oral Medicine, Clinic for Reconstructive Dentistry University of Zurich  Z\u00fcrich Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2021,7,9]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.dental.2005.02.007"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1532-849X.2012.00949.x"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.1590\/S1678-77572006000600011"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.5005\/jp-journals-10024-2380"},{"key":"e_1_2_10_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.dental.2018.06.024"},{"key":"e_1_2_10_7_1","doi-asserted-by":"publisher","DOI":"10.4317\/jced.55353"},{"key":"e_1_2_10_8_1","first-page":"303","article-title":"Accuracy of occlusal contacts for crowns with chairside CAD\/CAM techniques","volume":"13","author":"Fasbinder D. 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