{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,4]],"date-time":"2026-09-04T23:21:31Z","timestamp":1788564091558,"version":"build-2803163510"},"reference-count":50,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2025,3,16]],"date-time":"2025-03-16T00:00:00Z","timestamp":1742083200000},"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":["J Esthet Restor Dent"],"published-print":{"date-parts":[[2025,7]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>To assess the fracture resistance of maxillary premolars with mesio\u2010occluso\u2010distal (MOD) Class II cavities restored with lab composite and microhybrid resin composite, with or without a short fiber\u2010reinforced composite (SFRC) base.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Fifty sound maxillary premolars were divided randomly into 5 groups (<jats:italic>n<\/jats:italic>\u2009=\u200910); <jats:bold>G1<\/jats:bold>: Intact teeth (negative control), <jats:bold>G2<\/jats:bold>: Unrestored MOD cavities (positive control), <jats:bold>G3<\/jats:bold>: MOD inlay cavities restored with indirect lab composite, <jats:bold>G4<\/jats:bold>: MOD cavities restored with an SFRC base and microhybrid composite, and <jats:bold>G5<\/jats:bold>: MOD cavities restored with microhybrid composite. All specimens were thermocycled for 5000\u2009cycles, then subjected to an axial static compressive load until fracture occurred. Failure modes were inspected.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Negative control group exhibited maximum fracture resistance, whereas positive control revealed the lowest (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05). Microhybrid composite restorations with an SFRC base demonstrated fracture thresholds not significantly different from indirect lab composite (<jats:italic>p<\/jats:italic>\u2009=\u20090.22); however, those without an SFRC base presented the least resistance to fracture among restored groups (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05). Cohesive failure of restorative material was mainly noted in the microhybrid composite group without an SFRC base, whereas adhesive failures were observed in all groups.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The resistance of teeth to fracture is significantly influenced by the restorative material. Under compressive loads, the teeth restored with microhybrid composite restorations incorporating a short fiber\u2010reinforced composite base exhibited comparable fracture resistance to laboratory composite restorations.<\/jats:p><\/jats:sec><jats:sec><jats:title>Clinical Significance<\/jats:title><jats:p>Considering that short fiber\u2010reinforced composites revealed experimental outcomes comparable to those of indirect lab composites, along with the added benefits of shorter treatment time and cost\u2010effectiveness, the direct approach becomes an ideal option for restoring teeth with Class II MOD cavities.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jerd.13459","type":"journal-article","created":{"date-parts":[[2025,3,16]],"date-time":"2025-03-16T17:50:07Z","timestamp":1742147407000},"page":"1791-1801","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Fracture Resistance of Maxillary Premolars With Class <scp>II MOD<\/scp> Cavities Restored With Direct and Indirect Resin Composite Restorative Systems"],"prefix":"10.1111","volume":"37","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6278-1998","authenticated-orcid":false,"given":"Rasha M.","family":"Salama","sequence":"first","affiliation":[{"name":"Conservative Dentistry Department, Faculty of Dentistry Mansoura University  Mansoura Egypt"},{"name":"Conservative Dentistry Department, Faculty of Dentistry Kafr El\u2010Sheikh University  Kafr El\u2010Sheikh Egypt"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3205-345X","authenticated-orcid":false,"given":"Hamdi H.","family":"Hamama","sequence":"additional","affiliation":[{"name":"Conservative Dentistry Department, Faculty of Dentistry Mansoura University  Mansoura Egypt"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5243-3209","authenticated-orcid":false,"given":"Salah H.","family":"Mahmoud","sequence":"additional","affiliation":[{"name":"Conservative Dentistry Department, Faculty of Dentistry Mansoura University  Mansoura Egypt"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2025,3,16]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.3390\/bioengineering11060536"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.3390\/polym15163413"},{"issue":"11","key":"e_1_2_9_4_1","first-page":"1202","article-title":"Comparative Evaluation of Short Fiber\u2010Reinforced Composite Resin Thickness on Fracture Resistance of Class II Composite Restoration: An In\u00a0Vitro Study","volume":"21","author":"Hartanto C.","year":"2020","journal-title":"Journal of Contemporary Dental Practice"},{"key":"e_1_2_9_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jmbbm.2019.103444"},{"key":"e_1_2_9_6_1","doi-asserted-by":"publisher","DOI":"10.3390\/polym13132040"},{"issue":"3","key":"e_1_2_9_7_1","first-page":"258","article-title":"Fracture Resistance of Lab Composite Versus All\u2010Ceramic Restorations in Class II Inlay Cavity Preparations: An In\u00a0Vitro Study","volume":"25","author":"Bhanot S.","year":"2022","journal-title":"Journal of Conservative Dentistry"},{"issue":"4","key":"e_1_2_9_8_1","first-page":"228","article-title":"Effect of Three Direct Restorative Materials on Molar Cuspal Fracture Resistance","volume":"17","author":"Allara Jr F. 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