{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,27]],"date-time":"2026-07-27T18:52:51Z","timestamp":1785178371619,"version":"3.55.0"},"reference-count":25,"publisher":"FapUNIFESP (SciELO)","issue":"1","license":[{"start":{"date-parts":[[2023,2,1]],"date-time":"2023-02-01T00:00:00Z","timestamp":1675209600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2023,2,1]],"date-time":"2023-02-01T00:00:00Z","timestamp":1675209600000},"content-version":"am","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2023,2,1]],"date-time":"2023-02-01T00:00:00Z","timestamp":1675209600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Braz. Dent. J."],"abstract":"<jats:p>Abstract This study aimed to investigate the failure behavior of 3 mol.% yttria-stabilized tetragonal zirconia polycrystal (3Y-TZP) prosthetic crowns air-abraded with aluminum oxide (AO) particles of different sizes. Ninety ceramic premolar crowns were produced with 3Y-TZP frameworks veneered with porcelain. Crowns were randomly divided into three groups, according to the size of the air abrasion AO particles (n = 30): (GC) untreated (control); (G53) 53 \u00b5m; (G125) 125 \u00b5m. Air abrasion was performed with 0.25 mpa pressure, 10-mm distance, for 10 s. Crowns were adhesively cemented to dentin analog abutments. Specimens were loaded in compression to failure, in 37oC distilled water, using a universal testing machine (n = 30). Fractographic analysis was performed using a stereomicroscope and SEM. The roughness of the crown\u2019s inner surface was evaluated using an optical profilometer (n = 10). Fracture load data were statistically analyzed with Weibull analysis and roughness data with Kruskal-Wallis (\u03b1 = 0.05). GC had the lowest characteristic fracture load (L0), while G53 and G125 had higher and statistically similar L0 values. The Weibull modulus (m) was similar among groups. The failure modes observed were catastrophic failure and porcelain chipping. There were no differences between the roughness parameters for the experimental groups (p &gt; 0.05). The size of the AO particles did not affect the fracture load and failure mode of 3Y-TZP crowns. Air abrasion with 53 \u00b5m and 125 \u00b5m particles resulted in a higher fracture load of ceramic crowns than the untreated group while maintaining their reliability and surface characteristics.<\/jats:p>","DOI":"10.1590\/0103-6440202304998","type":"journal-article","created":{"date-parts":[[2023,3,6]],"date-time":"2023-03-06T14:14:42Z","timestamp":1678112082000},"page":"71-79","source":"Crossref","is-referenced-by-count":8,"title":["Failure behavior of zirconia crowns subjected to air abrasion with different particle sizes"],"prefix":"10.1590","volume":"34","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1965-7902","authenticated-orcid":false,"given":"Jo\u00e3o C\u00e9zar","family":"Mosele","sequence":"first","affiliation":[{"name":"University of Passo Fundo, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9931-3813","authenticated-orcid":false,"given":"Andressa Restani","family":"Oliveira","sequence":"additional","affiliation":[{"name":"University of Passo Fundo, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1105-2482","authenticated-orcid":false,"given":"Gabriela","family":"Pizzolatto","sequence":"additional","affiliation":[{"name":"University of Passo Fundo, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0949-2588","authenticated-orcid":false,"given":"Paula","family":"Benetti","sequence":"additional","affiliation":[{"name":"University of Passo Fundo, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7587-9839","authenticated-orcid":false,"given":"Marcia","family":"Borba","sequence":"additional","affiliation":[{"name":"University of Passo Fundo, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"530","published-online":{"date-parts":[[2023,2]]},"reference":[{"issue":"1","key":"ref1","doi-asserted-by":"crossref","first-page":"15","DOI":"10.1016\/j.dental.2018.08.291","article-title":"Evaluating dental zirconia","volume":"35","author":"Zhang Y","year":"2019","journal-title":"Dental Materials"},{"issue":"5","key":"ref2","doi-asserted-by":"crossref","first-page":"423","DOI":"10.11607\/ijp.6286","article-title":"Influences of Screw Access Hole and Mechanical Cycling on the Fracture Load of Implant-Supported Crowns","volume":"32","author":"Rosa L","year":"2019","journal-title":"The International Journal of Prosthodontics"},{"key":"ref3","doi-asserted-by":"crossref","first-page":"339","DOI":"10.1016\/j.dental.2012.12.007","article-title":"Influence of convergence angle of tooth preparation on the fracture resistance of Y-TZP-based all-ceramic restorations","volume":"3","author":"Corazza PH","year":"2013","journal-title":"Dental Materials"},{"issue":"6","key":"ref4","doi-asserted-by":"crossref","first-page":"624","DOI":"10.1016\/j.dental.2015.02.013","article-title":"All-ceramic or metal-ceramic tooth-supported fixed dental prostheses (FDPs)? 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