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Mostrando ítems 11-20 de 482
Influence Of Surface Treatments And Adhesive Systems On Lithium Disilicate Microshear Bond Strength
(Fundação Odontológica de Ribeirão Preto, 2016)
Effect of Resin Cement Type on the Microtensile Bond Strength to Lithium Disilicate Ceramic and Dentin Using Different Test Assemblies
(Quintessence Publishing Co Inc, 2014)
Resistance to fracture of lithium disilicate feldspathic restorations manufactured using a CAD/CAM system and crystallized with different thermal units and programs
(2021)
The aim of this study was to determine the resistance to fracture of feldspathic restorations
with lithium disilicate and crystallized with different ovens and programs. Methods: Sixty monolithic
restorations (LD) (EMAX ...
Does the fatigue loading frequency affect the lithium disilicate glass ceramic inlay-dentin bond strength?
(2018-08-01)
The aim of this study was to verify the effect of loading frequency during mechanical cycling on the microtensile bond strength between tooth and ceramic inlays. Twenty-four extracted permanent maxillary molars were ...
Effect of repeated firings and staining on the mechanical behavior and composition of lithium disilicate
(2020-05-01)
Objective: To evaluate the composition, flexural strength and fatigue behaviour of lithium disilicate ceramic (LD) after repeated firings and different staining techniques. Methods: LD discs were fabricated and divided ...
In-lab simulation of CAD/CAM milling of lithium disilicate glass-ceramic specimens: Effect on the fatigue behavior of the bonded ceramic
(2021-09-01)
The aim of this study was to evaluate the effect of in-lab simulation procedures performed on a lithium disilicate ceramic luted to a dentin-analogue material regarding the fatigue performance and topographic changes. ...
Study of crystallization, microstructure and mechanical properties of lithium disilicate glass-ceramics as a function of the sintering temperatureEstudo da cristalização, microestrutura e propriedades mecânicas de uma vitrocerâmica de dissilicato de lítio em função da temperatura de sinterização
(2021-04-01)
Objective: The purpose of the present study was to synthesize and characterize lithium disilicate glass-ceramics through the Li2O-SiO2 system for determining the most satisfactory sintering parameter by evaluating the ...
The effect of hydrofluoric acid concentration and heat on the bonding to lithium disilicate glass ceramic
(2016-11-01)
The aim of this study was to evaluate the effects of hydrofluoric acid (HF) concentration and previous heat treatment (PHT) on the surface morphology and micro-shear bond strength (μSBS) of a lithium disilicate glass ceramic ...
Surface milled by CAD-CAM system Vs laboratorial methods to simulate the milled surface: Effect on the resin bond strength to lithium disilicate glass-ceramic
(2022-03-01)
The aim of this study was to assess the resin microshear bond strength (μSBS) and the surface topography of lithium disilicate ceramic milled by CAD/CAM and to compare it with in-lab methods that simulate the topography ...
Monitoring crystallization in lithium silicate glass-ceramics using 7Li→29Si cross-polarization NMR
(Elsevier BVAmsterdam, 2014-12)
Quantification of the crystalline versus amorphous fraction is an important objective for the structural characterization of glass-ceramics. Owing to its well-documented ability of differentiating between crystalline and ...