Results: 304

Microfiltración marginal en incrustaciones de cerómero tipo table top cementadas con cementos resinosos: autograbantes, universales y resina termoplastificada

Odontología (Ecuad.); 21 (2), 2019
Luego del procedimiento de cementación de incrustaciones de cerómero puede presentarse microfiltración en la inter-fase diente-restauración, el gap en la interfase puede ser influenciado por las características del agente cementante y el proceso de cementación. Objetivo: Evaluar la microfiltración...

Fluoride release and uptake in enhanced bioactivity glass ionomer cement ("glass carbomer™") compared with conventional and resin-modified glass ionomer cements

J. appl. oral sci; 27 (), 2019
Abstract Objectives To study the fluoride uptake and release properties of glass carbomer dental cements and compare them with those of conventional and resin-modified glass ionomers. Materials and Methods Three materials were used, as follows: glass carbomer (Glass Fill), conventional glass ionomer (C...

Resin-modified glass ionomer containing calcium glycerophosphate: physico-mechanical properties and enamel demineralization

J. appl. oral sci; 27 (), 2019
Abstract Sources of calcium and phosphate have been added to dental restorative materials to improve their anticaries effect. Objective This study evaluated the effect of adding calcium glycerophosphate (CaGP) to resin-modified glass ionomer cement (RMGIC) on the physico-mechanical properties, ion rele...

Influence of the composition and shades of ceramics on light transmission and degree of conversion of dual-cured resin cements

J. appl. oral sci; 27 (), 2019
Abstract Objective Since the transmittance of ceramics can influence the degree of conversion (DC) of resin cements, ceramics composition and shade should be considered in the selection of resin cement. This in vitro study aimed to evaluate the effect of the transmittance of different composition, opac...

Fatigue survival and damage modes of lithium disilicate and resin nanoceramic crowns

J. appl. oral sci; 27 (), 2019
Abstract Polymer-based composite materials have been proposed as an alternative for single unit restorations, due to their resilient and shock absorbing behavior, in contrast to the brittleness of ceramic materials that could result in failure by fracture. Objective: To evaluate the fatigue strength and...

A new approach for Y-TZP surface treatment: evaluations of roughness and bond strength to resin cemen

J. appl. oral sci; 27 (), 2019
Abstract Objective This study aims to evaluate the effect of sonochemical treatment on the surface of yttria-stabilized tetragonal zirconia (Y-TZP) before and after the final sintering. Material and Methods Twenty-eight Y-TZP discs were divided into four groups (n=7), according to surface treatment: ...

Effect of diode laser irradiation on the bond strength of polymerized non-simplified adhesive systems after 12 months of water storage

J. appl. oral sci; 27 (), 2019
Abstract Objectives: The aim of this in vitro study was to evaluate the bonding strength of non-simplified dentin bonding systems (DBS) to dentin irradiated with a diode laser (970 nm) immediately and after 12 months of water storage following either primer or bond application. Material and methods: Th...

Surface morphology and mechanical properties of conventional and self-adhesive resin cements after aqueous aging

J. appl. oral sci; 27 (), 2019
Abstract The stable long-term performance of resin cement under oral environmental conditions is a crucial factor to obtain a satisfactory success of the allceramic dental restoration. Objective: This study aimed at evaluating and comparing the surface morphology and mechanical property of conventional a...

Effect of diphenyliodonium hexafluorphosphate in the yellowing and properties of experimental resin cements

Braz. j. oral sci; 18 (), 2019
Aim: The yellowing effect is undesirable and can occur in the dental restoration margins when light-cured resin cements containing camphorquinone as photoinitiator is used. This study aimed to evaluate the effect of diphenyliodonium hexafluorphosphate (DPI) in photoinitiator systems that contained differ...

Y-TZP surface treatments and their effects on the bond strength to resin cement

Braz. j. oral sci; 18 (), 2019
Aim: This study evaluated the effect of surface treatments of yttria-stabilized tetragonal zirconia polycrystal (Y-TZP) ceramics on their bond strength to a resin cement. Methods: Seventy zirconia blocks (6 × 6 × 2 mm3, IPS e.max ZirCAD) were assigned into 7 groups (n=10) – as-sintered (AS), no treat...