{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,7]],"date-time":"2026-09-07T10:51:46Z","timestamp":1788778306881,"version":"build-2803163510"},"reference-count":19,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2024,2,25]],"date-time":"2024-02-25T00:00:00Z","timestamp":1708819200000},"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":["Int J Paed Dentistry"],"published-print":{"date-parts":[[2024,11]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Paediatric\u2010preformed zirconia crowns have been associated with several issues, primarily their inability to be crimped and the need for extensive tooth preparation. Additionally, the capacity to adjust the size, shape, and fit of these crowns is very limited.<\/jats:p><\/jats:sec><jats:sec><jats:title>Aim<\/jats:title><jats:p>To evaluate and compare the fracture strength of four different types of dental crowns intended for paediatric patients.<\/jats:p><\/jats:sec><jats:sec><jats:title>Design<\/jats:title><jats:p>The fracture resistance of four types of paediatric crowns was evaluated using the universal testing machine; freshly extracted primary molars received one of the following: preformed zirconia crowns, custom\u2010made computer\u2010aided design and computer\u2010aided manufacturing (CAD\u2013CAM) zirconia crowns, custom\u2010made CAD\u2013CAM ceramic crowns, and custom\u2010made CAD\u2013CAM hybrid composite crowns. Data were statistically compared using the Kruskal\u2013Wallis test followed by the Bonferroni test, and the level of significance was set at 5%.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Results showed that there was a statistically significant difference among the four groups (<jats:italic>p<\/jats:italic>\u2009&lt;\u2009.001). The highest value of fracture force was observed for the milled zirconia crown and the lowest for the prefabricated zirconia.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The implementation of the CAD\u2013CAM digital crown fabrication technique has the potential to address issues associated with preformed crowns in paediatric patients, particularly in terms of fracture resistance.<\/jats:p><\/jats:sec>","DOI":"10.1111\/ipd.13171","type":"journal-article","created":{"date-parts":[[2024,2,26]],"date-time":"2024-02-26T03:28:20Z","timestamp":1708918100000},"page":"721-728","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Fracture strength of preformed zirconia crown and <scp>CAD\u2013CAM<\/scp> zirconia, ceramic, and hybrid composite crowns for the restoration of primary molars: An in\u00a0vitro study"],"prefix":"10.1111","volume":"34","author":[{"ORCID":"https:\/\/orcid.org\/0009-0007-9190-1697","authenticated-orcid":false,"given":"Joy Elian","family":"El\u00a0Hayek","sequence":"first","affiliation":[{"name":"Department of Pediatric Dentistry, Faculty of Dental Medicine Saint Joseph University of Beirut  Beirut Lebanon"},{"name":"Cranio\u2010Facial Research Laboratory, Faculty of Dental Medicine Saint Joseph University of Beirut  Beirut Lebanon"},{"name":"Department of Digital Dentistry, Faculty of Dental Medicine Saint Joseph University of Beirut  Beirut Lebanon"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hani","family":"Tohme","sequence":"additional","affiliation":[{"name":"Department of Digital Dentistry, Faculty of Dental Medicine Saint Joseph University of Beirut  Beirut Lebanon"},{"name":"Department of Removable Prosthodontics, Faculty of Dental Medicine Saint Joseph University of Beirut  Beirut Lebanon"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lara","family":"Nasr","sequence":"additional","affiliation":[{"name":"Cranio\u2010Facial Research Laboratory, Faculty of Dental Medicine Saint Joseph University of Beirut  Beirut Lebanon"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Roula","family":"El\u00a0Hachem","sequence":"additional","affiliation":[{"name":"Cranio\u2010Facial Research Laboratory, Faculty of Dental Medicine Saint Joseph University of Beirut  Beirut Lebanon"},{"name":"Department of Endodontics, Faculty of Dental Medicine Saint Joseph University of Beirut  Beirut Lebanon"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nathalie","family":"Kabbani","sequence":"additional","affiliation":[{"name":"Department of Pediatric Dentistry, Faculty of Dental Medicine Saint Joseph University of Beirut  Beirut Lebanon"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nada Farhat","family":"Mchayleh","sequence":"additional","affiliation":[{"name":"Department of Pediatric Dentistry, Faculty of Dental Medicine Saint Joseph University of Beirut  Beirut Lebanon"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2024,2,25]]},"reference":[{"key":"e_1_2_11_2_1","doi-asserted-by":"publisher","DOI":"10.1177\/003335491012500202"},{"key":"e_1_2_11_3_1","doi-asserted-by":"publisher","DOI":"10.1542\/peds.2013-0846"},{"issue":"5","key":"e_1_2_11_4_1","first-page":"334","article-title":"A comparison of periodontal health in primary molars restored with prefabricated stainless steel and zirconia crowns","volume":"40","author":"Taran PK","year":"2018","journal-title":"Pediatr Dent"},{"key":"e_1_2_11_5_1","doi-asserted-by":"publisher","DOI":"10.1186\/s13063-019-3559-1"},{"issue":"1","key":"e_1_2_11_6_1","first-page":"63","article-title":"Parental attitudes on restorative materials as factors influencing current use in 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