{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,15]],"date-time":"2025-12-15T19:52:22Z","timestamp":1765828342111,"version":"3.33.0"},"reference-count":33,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2023,11,27]],"date-time":"2023-11-27T00:00:00Z","timestamp":1701043200000},"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":[[2025,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>The effect of a silicone\u2010based sealer on fiber post retention has not been the subject of research and remains unclear. This study aimed to evaluate and compare the impact of a silicone\u2010based sealer and an epoxy resin sealer on fiber post retention.<\/jats:p><\/jats:sec><jats:sec><jats:title>Material and Methods<\/jats:title><jats:p>Forty extracted human mandibular premolars that were caries\u2010free, single\u2010rooted, and possessed straight single canals were the specimens of the present study. Teeth were randomly divided into two groups (<jats:italic>n<\/jats:italic> = 20 each). All specimens were prepared using gutta\u2010percha. The sealer used in the first group was Guttaflow 2, while AH26 was used in the second group. Post spaces were prepared immediately after obturation for each specimen. Prefabricated fiber posts were luted in both groups using a self\u2010adhesive resin cement (RelyX\u2010U200). Each specimen was vertically secured using a universal testing machine (Instron Corp.) and a constant pull\u2010out force at a loading rate of 0.5\u00a0mm\/min was applied until the point of dislodgement. Data were analyzed using t\u2010tests.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>A significant difference was found between the mean of maximum loads of the silicone\u2010based sealer and epoxy resin sealer groups (<jats:italic>p<\/jats:italic> = 0.0001). The mean maximum load for the epoxy resin sealer group was 194.62 N, while that for the silicone\u2010based sealer group was 111.64 N.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Fiber post retention in teeth obturated using silicone\u2010based sealer was inferior to that in teeth obturated with epoxy resin sealer. Therefore, the sealer used during obturation can significantly affect fiber post retention.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jopr.13799","type":"journal-article","created":{"date-parts":[[2023,11,15]],"date-time":"2023-11-15T19:16:57Z","timestamp":1700075817000},"page":"86-90","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Effect of silicone\u2010based sealers on fiber post retention: An in vitro study"],"prefix":"10.1111","volume":"34","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9394-3312","authenticated-orcid":false,"given":"Hatem","family":"Alqarni","sequence":"first","affiliation":[{"name":"Restorative and Prosthetic Dental Science Department, College of Dentistry King Saud Bin Abdulaziz University for Health Sciences  Riyadh Saudi Arabia"},{"name":"King Abdullah International Medical Research Center Ministry of National Guard Health Affairs  Riyadh Saudi 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