{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,17]],"date-time":"2026-10-17T21:12:56Z","timestamp":1792271576149,"version":"4.4.0"},"reference-count":56,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2021,5,4]],"date-time":"2021-05-04T00:00:00Z","timestamp":1620086400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Prosthodontics"],"published-print":{"date-parts":[[2022,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>This laboratory study analyzed the influence of retention mode (screw\u2010 vs cement retained) and fatigue application on the failure load of monolithic lithium\u2010disilicate (LDS) implant\u2010supported single crowns (ISSC).<\/jats:p><\/jats:sec><jats:sec><jats:title>Material and Methods<\/jats:title><jats:p>A total of 72 samples of monolithic LDS (*Ivoclar Vivadent) ISSC were divided into three groups (n = 24) according to their type of retention mode: Group Ti\u2010CAD: Titanium base (SICvantage CAD\/CAM Abutment red (SIC invent AG), screw\u2010retained milled monolithic LDS (IPS e.max CAD*); Group Ti\u2010P: Titanium base (SICvantage CAD\/CAM Abutment red), screw\u2010retained pressed monolithic LDS (IPS e.max Press*) and Group Ti\u2010Cust: Titanium base with cemented press LDS (IPS e.max Press*) crown on a LDS (IPS e.max Press*) custom abutment. A mandibular first molar implant\u2010supported single crown model was investigated (Titanium implant: SICvantage\u2010max, SIC invent AG, diameter: 4.2 mm, length: 11.5 mm). Half of each group (n = 12) w\u200bere exposed to fatigue with cyclic mechanical loading (F = 198 N, 1.2 million cycles) and simultaneous thermocycling (5\u201055\u00b0C). Single load to failure testing was performed, before (Subgroups Ti\u2010CAD, Ti\u2010P, and Ti\u2010Cust) and after (Subgroups Ti\u2010CAD\u2010F, Ti\u2010P\u2010F, and Ti\u2010Cust\u2010F) fatigue. Weibull distribution was used to determine the characteristic strength and Weibull modulus differences between groups. Probability of survival at 900N load was calculated.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>No samples failed during fatigue. Characteristic strength values were as follow: Ti\u2010CAD: 3259.5N, Ti\u2010CAD\u2010F: 2926N, Ti\u2010P: 2763N, Ti\u2010P\u2010F: 2841N, Ti\u2010Cust: 2789N, Ti\u2010Cust\u2010F: 2194N. Whereas no difference was observed between pressed or milled monolithic crowns cemented to Ti\u2010base, regardless of loading condition, fatigue decreased the characteristic strength of crowns cemented to custom abutments. Probability of survival at 900 N was not significantly different between groups.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Screw\u2010retained pressed or milled monolithic LDS ISSC, cemented directly to Ti\u2010base abutments or LDS crowns cemented to custom ceramic abutments resist physiological chewing forces after simulated 5\u2010year aging in the artificial mouth and presented equally high probability of survival. However, a significant decrease in load to failure was observed in LDS crowns cemented to custom ceramic abutments after fatigue. Prospective clinical trials are needed to confirm the results of this laboratory investigation.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jopr.13369","type":"journal-article","created":{"date-parts":[[2021,4,19]],"date-time":"2021-04-19T07:20:44Z","timestamp":1618816844000},"page":"136-146","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":23,"title":["Failure Load of Monolithic Lithium Disilicate Implant\u2010Supported Single Crowns Bonded to Ti\u2010base Abutments versus to Customized Ceramic Abutments after Fatigue"],"prefix":"10.1111","volume":"31","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5535-2108","authenticated-orcid":false,"given":"F. A.","family":"Spitznagel","sequence":"first","affiliation":[{"name":"Department of Prosthodontics, Medical Faculty and University Hospital D\u00fcsseldorf Heinrich\u2010Heine\u2010University  D\u00fcsseldorf Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6867-8350","authenticated-orcid":false,"given":"E. A.","family":"Bonfante","sequence":"additional","affiliation":[{"name":"Department of Prosthodontics and Periodontology, Bauru School of Dentistry University of Sao Paulo  Bauru SP Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"F.","family":"Vollmer","sequence":"additional","affiliation":[{"name":"Department of Prosthodontics, Medical Faculty and University Hospital D\u00fcsseldorf Heinrich\u2010Heine\u2010University  D\u00fcsseldorf Germany"},{"name":"Private Practice  Tettnang Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"P. C.","family":"Gierthmuehlen","sequence":"additional","affiliation":[{"name":"Department of Prosthodontics, Medical Faculty and University Hospital D\u00fcsseldorf Heinrich\u2010Heine\u2010University  D\u00fcsseldorf Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2021,5,4]]},"reference":[{"key":"e_1_2_9_2_1","first-page":"176","article-title":"Metal\u2010free implant\u2010supported single\u2010tooth restorations. Part I: abutments and cemented crowns","volume":"50","author":"Edelhoff D","year":"2019","journal-title":"Quintessence Int"},{"key":"e_1_2_9_3_1","first-page":"260","article-title":"Metal\u2010free implant\u2010supported single\u2010tooth restorations. 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