![]() Y-TZP intaglio surface was conditioned and dentin-like substrate was etched with hydrofluoric acid prior to bonding. Y-TZP ceramic (Zenostar T, diameter (Ø) 10 mm, 0.7 mm thick) and dentin-like discs (Ø 10 mm, 2.8 mm thick) were assigned into eight groups according to three factors: 'zirconia surface treatment' (aluminum oxide particles air-abrasion 'AO' or tribochemical silica coating via silica-coated aluminum trioxide particles air-abrasion + silanization 'SC') 'MDP-containing resin cement' (with: Panavia F2.0, 'MDP' or without: Multilink Automix, 'nMDP') and 'aging' (baseline or aged - 'AG':12,000 thermal cycles + 60 days water storage). Electronic address: study investigated the effect of zirconia surface treatment (air-abrasion with aluminum oxide or tribochemical silica coating) and aging on the fatigue behavior of thin monolithic Y-TZP (yttria-stabilized tetragonal zirconia polycrystal) restorations cemented with 2 types of resin cements, containing or not containing MDP, to a dentin-like substrate. Electronic address: 6 MSciD and PhD Post-Graduate Program in Oral Science (Prosthodontics Units), Faculty of Dentistry, Federal University of Santa Maria (UFSM), Marechal Floriano Peixoto Street, #1184, 7th Floor. Electronic address: 5 MSciD and PhD Post-Graduate Program in Oral Science (Prosthodontics Units), Faculty of Dentistry, Federal University of Santa Maria (UFSM), Marechal Floriano Peixoto Street, #1184, 7th Floor. Amsterdam, Noord-Holland, the Netherlands. Electronic address: 4 Department of Dental Materials Science, Academic Centre for Dentistry Amsterdam (ACTA), Universiteit van Amsterdam and Vrije Universiteit, Gustav Mahlerlaan #3004. ![]() Electronic address: 3 MSciD and PhD Post-Graduate Program in Oral Science (Prosthodontics Units), Faculty of Dentistry, Federal University of Santa Maria (UFSM), Marechal Floriano Peixoto Street, #1184, 7th Floor. Passo Fundo, Rio Grande do Sul State, Brazil. Electronic address: 2 MSciD Graduate Program in Dentistry, School of Dentistry, Meridional Faculty - IMED, Senador Pinheiro Street, #304. Electronic address: 1 MSciD and PhD Post-Graduate Program in Oral Science (Prosthodontics Units), Faculty of Dentistry, Federal University of Santa Maria (UFSM), Marechal Floriano Peixoto Street, #1184, 7th Floor. 1 MSciD and PhD Post-Graduate Program in Oral Science (Prosthodontics Units), Faculty of Dentistry, Federal University of Santa Maria (UFSM), Marechal Floriano Peixoto Street, #1184, 7th Floor.
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