{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,26]],"date-time":"2026-10-26T22:46:39Z","timestamp":1793054799724,"version":"4.5.0"},"reference-count":58,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2020,12,17]],"date-time":"2020-12-17T00:00:00Z","timestamp":1608163200000},"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":["Clinical Oral Implants Res"],"published-print":{"date-parts":[[2021,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objectives<\/jats:title><jats:p>To evaluate mechanical stability (survival and complication rates) and bending moments of different all\u2010ceramic monolithic restorations bonded to titanium bases (hybrid abutment\u2010crowns) or to customized titanium abutments compared to porcelain\u2010fused\u2010to\u2010metal crowns (PFM) after thermo\u2010mechanical aging.<\/jats:p><\/jats:sec><jats:sec><jats:title>Material and Methods<\/jats:title><jats:p>Sixty conical connection implants (4.3\u00a0mm\u2010diameter) were divided in five groups (<jats:italic>n<\/jats:italic>\u00a0=\u00a012): PFM using gold abutment (GAbut\u2010PFM), lithium disilicate crown bonded to customized titanium abutment (TAbut+LDS), lithium disilicate abutment\u2010crown bonded to titanium base (TiBase+LDS), zirconia abutment\u2010crown bonded to titanium base (TiBase+ZR), polymer\u2010infiltrated ceramic\u2010network (PICN) abutment\u2010crown bonded to titanium base (TiBase+PICN). Simultaneous thermocycling (5\u00b0\u201355\u00b0C) and chewing simulation (1,200,000\u2010cycles, 49\u00a0N, 1.67\u00a0Hz) were applied. Catastrophic and non\u2010catastrophic events were evaluated under light microscope, and survival and complication rates were calculated. Specimens that survived aging were loaded until failure and bending moments were calculated.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Survival rates after aging were 100% (TAbut+LDS, TiBase+LDS), 91.7% (GA\u2010PFM), 66.7% (TiBase+ZR) and 58.3% (TiBase+PICN) and differed among the groups (<jats:italic>p<\/jats:italic>\u00a0=\u00a0.006). Non\u2010catastrophic events as screw loosening (GA\u2010PFM) and loss of retention or micro\u2010\/macro\u2010movement (TiBase groups) were observed. Complication rates varied among the groups (<jats:italic>p<\/jats:italic>\u00a0&lt;\u00a0.001). TiBase+PICN had lower bending moment than all the other groups (<jats:italic>p<\/jats:italic>\u00a0&lt;\u00a0.001).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Hybrid abutment\u2010crowns made of lithium disilicate can be an alternative to PFM\u2010based restorations, although concerns regarding the bonded interface between the titanium base and abutment\u2010crown can be raised. PICN and zirconia may not be recommended due to its inferior mechanical and bonding outcomes, respectively. Titanium customized abutment with bonded lithium disilicate crown appears to be the most stable combination.<\/jats:p><\/jats:sec>","DOI":"10.1111\/clr.13693","type":"journal-article","created":{"date-parts":[[2020,12,1]],"date-time":"2020-12-01T08:09:22Z","timestamp":1606810162000},"page":"222-232","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":43,"title":["Mechanical stability and technical outcomes of monolithic CAD\/CAM fabricated abutment\u2010crowns supported by titanium bases: An in vitro study"],"prefix":"10.1111","volume":"32","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2334-4688","authenticated-orcid":false,"given":"Jo\u00e3o","family":"Pitta","sequence":"first","affiliation":[{"name":"Division of Fixed Prosthodontics and Biomaterials University Clinics for Dental Medicine University of Geneva Geneva Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jenni","family":"Hjerppe","sequence":"additional","affiliation":[{"name":"Departments of Oral and Maxillofacial Diseases Helsinki University Hospital (HUH) Helsinki Finland"},{"name":"Department of Prosthodontics and Stomatognathic physiology University of Turku Turku Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Felix","family":"Burkhardt","sequence":"additional","affiliation":[{"name":"Division of Fixed Prosthodontics and Biomaterials University Clinics for Dental Medicine University of Geneva Geneva Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vincent","family":"Fehmer","sequence":"additional","affiliation":[{"name":"Division of Fixed Prosthodontics and Biomaterials University Clinics for Dental Medicine University of Geneva Geneva Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Philippe","family":"Mojon","sequence":"additional","affiliation":[{"name":"Division of Fixed Prosthodontics and Biomaterials University Clinics for Dental Medicine University of Geneva Geneva Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4537-7624","authenticated-orcid":false,"given":"Irena","family":"Sailer","sequence":"additional","affiliation":[{"name":"Division of Fixed Prosthodontics and Biomaterials University Clinics for Dental Medicine University of Geneva Geneva Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2020,12,17]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.prosdent.2004.09.002"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.11607\/jomi.5920"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jdent.2017.03.002"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.prosdent.2018.11.016"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/clr.13034"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.11607\/prd.2974"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.prosdent.2016.02.015"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.11607\/ijp.5946"},{"key":"e_1_2_8_10_1","first-page":"434","article-title":"Monolithic CAD\/CAM lithium disilicate versus veneered Y\u2010TZP crowns: Comparison of failure modes and reliability after fatigue","volume":"23","author":"Guess P. 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