{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["12"],"submitter":["Direk A"],"pubmed_abstract":["<h4>Background</h4>The aim of this study was to compare the fracture strength and fracture modes of post-cores produced with CAD-CAM from modified polyetheretherketone (PEEK) materials with other custom-produced post-cores.<h4>Methods</h4>Sixty human mandibular first premolars with equal root sizes were used. The teeth were divided into six groups (<i>n</i> = 10), and root canal treatment was performed. The teeth were separated from the roots over 2 mm from the cemento-enamel junction. As a result of the decoronation process, a 1 mm wide shoulder line was obtained for all teeth. For the fracture strength test, 10 mm deep post spaces were created on the teeth with a 1.6 mm diameter driller. Post-core groups consisted: everStick<sup>®</sup> glass fiber post-core (Group GF), zirconia post-cor"],"journal":["PeerJ"],"pagination":["e18012"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11380836"],"repository":["biostudies-literature"],"pubmed_title":["Fracture strength of cad-cam milled polyetheretherketone (PEEK) post-cores <i>vs</i> conventional post-cores; an <i>in vitro</i> study."],"pmcid":["PMC11380836"],"pubmed_authors":["Tekin S","Khurshid Z","Direk A"],"additional_accession":[]},"is_claimable":false,"name":"Fracture strength of cad-cam milled polyetheretherketone (PEEK) post-cores <i>vs</i> conventional post-cores; an <i>in vitro</i> study.","description":"<h4>Background</h4>The aim of this study was to compare the fracture strength and fracture modes of post-cores produced with CAD-CAM from modified polyetheretherketone (PEEK) materials with other custom-produced post-cores.<h4>Methods</h4>Sixty human mandibular first premolars with equal root sizes were used. The teeth were divided into six groups (<i>n</i> = 10), and root canal treatment was performed. The teeth were separated from the roots over 2 mm from the cemento-enamel junction. As a result of the decoronation process, a 1 mm wide shoulder line was obtained for all teeth. For the fracture strength test, 10 mm deep post spaces were created on the teeth with a 1.6 mm diameter driller. Post-core groups consisted: everStick<sup>®</sup> glass fiber post-core (Group GF), zirconia post-cor","dates":{"release":"2024-01-01T00:00:00Z","publication":"2024","modification":"2025-04-05T14:38:49.971Z","creation":"2025-04-05T14:38:49.971Z"},"accession":"S-EPMC11380836","cross_references":{"pubmed":["39247541"],"doi":["10.7717/peerj.18012"]}}