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Pre-sintered Y-TZP sandblasting: effect on surface roughness, phase transformation, and Y-TZP/veneer bond strength

Ramos-Tonello, Carla Müller; Trevizo, Bruno Freitas; Rodrigues, Raphaela Farias; Magalhães, Ana Paula Rodrigues; Furuse, Adilson Yoshio; Lisboa-Filho, Paulo Noronha; Tabata, Americo Sheitiro; Borges, Ana Flávia Sanches.
J. appl. oral sci; 25 (6), 2017
Abstract Sandblasting is a common method to try to improve the Y-TZP/veneer bond strength of dental prostheses, however, it may put stress on zirconia surfaces and could accelerate the t→m phase transformation. Y-TZP sandblasting before sintering could be an alternative to improve surface roughness...
Ensayo de Materiales, Resistencia al Corte/fisiología, Propiedades de Superficie, Itrio, Circonio
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Influence of the tilt angle of Percutaneous Aortic Prosthesis on Velocity and Shear Stress Fields

Gomes, Bruno Alvares de Azevedo; Camargo, Gabriel Cordeiro; Santos, Jorge Roberto Lopes dos; Azevedo, Luis Fernando Alzuguir; Nieckele, Ângela Ourivio; Siqueira-Filho, Aristarco Gonçalves; Oliveira, Glaucia Maria Moraes de.
Arq. bras. cardiol; 109 (3), 2017
Abstract Background: Due to the nature of the percutaneous prosthesis deployment process, a variation in its final position is expected. Prosthetic valve placement will define the spatial location of its effective orifice in relation to the aortic annulus. The blood flow pattern in the ascending aorta i...
Estenosis de la Válvula Aórtica/cirugía, Velocidad del Flujo Sanguíneo/fisiología, Angiografía por Tomografía Computarizada, Modelos Anatómicos, Postura, Impresión Tridimensional, Resistencia al Corte/fisiología, Reemplazo de la Válvula Aórtica Transcatéter/métodos
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