{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,4]],"date-time":"2026-03-04T04:57:05Z","timestamp":1772600225472,"version":"3.50.1"},"reference-count":34,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2025,2,18]],"date-time":"2025-02-18T00:00:00Z","timestamp":1739836800000},"content-version":"vor","delay-in-days":17,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clinical &amp;amp; Exp Dental Res"],"published-print":{"date-parts":[[2025,2]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:sec><jats:title>Objectives<\/jats:title><jats:p>This retrospective, non\u2010interventional study aimed to evaluate the longevity and factors influencing the success of custom\u2010fabricated polyetheretherketone (PEEK) post\u2010and\u2010cores in endodontically treated teeth (ETT).<\/jats:p><\/jats:sec><jats:sec><jats:title>Material and Methods<\/jats:title><jats:p>During the observation period (2019\u20132022), 63 patients received 100 customized PEEK post\u2010and\u2010cores. Clinical outcomes were analyzed based on the following parameters: age, gender, tooth type, tooth position, proximal contacts, remaining cavity walls, antagonist contacts, and final restoration. Kaplan\u2013Meier analysis was used for the survival probability. Log\u2010rank tests were used to identify univariate associations between failure rates and other potential factors. Cox regression was used to assess the risk of failure and determine possible risks between the identified factors at a cut\u2010off point <jats:italic>p<\/jats:italic>\u2010value (0.25 in univariate analysis).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The median follow\u2010up duration was 20.62 months, with a maximum of 40.57 months. 93 restorations were judged as successful and 99 teeth survived. The main failure type was decementation of the restoration (<jats:italic>n<\/jats:italic>\u2009=\u20094). The annual failure rate was 3.4%. Gender, remaining tooth structure, and final restoration were found to be correlated with success rates in the preliminary univariate analysis (Log\u2010rank tests) to determine the association between failure rates and potential factors. Multifactorial survival analysis (Cox regression) showed that teeth with coronal walls had a significantly lower failure risk than deprived teeth, even with the ferrule effect. (HR\u2009=\u20090.04; 95% CI for HR\u2009=\u20090.01\u20130.29; <jats:italic>p<\/jats:italic>\u2009=\u20090.002).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>PEEK post\u2010and\u2010cores adapt well to clinical restorative needs and offer favorable short\u2010term clinical outcomes. The remaining cavity wall was a significant success rate predictor.<\/jats:p><\/jats:sec>","DOI":"10.1002\/cre2.70066","type":"journal-article","created":{"date-parts":[[2025,2,19]],"date-time":"2025-02-19T05:35:56Z","timestamp":1739943356000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Clinical Outcome and Predictors of Customized Polyetheretherketone Post\u2010and\u2010Cores for Residual Root and Crown: A Retrospective Study"],"prefix":"10.1002","volume":"11","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6581-0720","authenticated-orcid":false,"given":"Xin","family":"Wang","sequence":"first","affiliation":[{"name":"State Key Laboratory of Oral &amp; Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Key Laboratory of Stomatology, Digital Dentistry Center, School of Stomatology The Fourth Military Medical University Xi'an Shaanxi China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chen","family":"Liu","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Oral &amp; Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Key Laboratory of Stomatology, Digital Dentistry Center, School of Stomatology The Fourth Military Medical University Xi'an Shaanxi China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yuchen","family":"Liu","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Oral &amp; Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Key Laboratory of Stomatology, Digital Dentistry Center, School of Stomatology The Fourth Military Medical University Xi'an Shaanxi China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dan","family":"Ma","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Oral &amp; Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Key Laboratory of Stomatology, Digital Dentistry Center, School of Stomatology The Fourth Military Medical University Xi'an Shaanxi China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ruifang","family":"Ren","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Oral &amp; Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Key Laboratory of Stomatology, Digital Dentistry Center, School of Stomatology The Fourth Military Medical University Xi'an Shaanxi China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mingxing","family":"Zhang","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Oral &amp; Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Key Laboratory of Stomatology, Digital Dentistry Center, School of Stomatology The Fourth Military Medical University Xi'an Shaanxi China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jiawen","family":"Guo","sequence":"additional","affiliation":[{"name":"Hospital of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology Sun Yat\u2010sen University Guangzhou China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yimin","family":"Zhao","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Oral &amp; Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Key Laboratory of Stomatology, Digital Dentistry Center, School of Stomatology The Fourth Military Medical University Xi'an Shaanxi China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dongmei","family":"Li","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Oral &amp; Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Key Laboratory of Stomatology, Digital Dentistry Center, School of Stomatology The Fourth Military Medical University Xi'an Shaanxi China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shizhu","family":"Bai","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Oral &amp; Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Key Laboratory of Stomatology, Digital Dentistry Center, School of Stomatology The Fourth Military Medical University Xi'an Shaanxi China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2025,2,18]]},"reference":[{"key":"e_1_2_12_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0022-3913(07)60050-X"},{"key":"e_1_2_12_3_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00784-023-04939-x"},{"key":"e_1_2_12_4_1","first-page":"179","article-title":"Placement of Fiber Prefabricated or Custom Made Posts Affects the 3\u2010year Survival of Endodontically Treated Premolars","volume":"21","author":"Cagidiaco M. 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