Research: Ceramics
Effect of different surface treatments on the biaxial flexural strength of zirconia ceramics
Different surface treatments have been applied to zirconia restorations in clinical practice to increase the bond strength between zirconia and cement, but their effect on flexural strength is unknown.Acid dissolution of ultrathin glass-ceramic and its correlation with flexural strength
When glass-ceramics are treated with hydrofluoric acid (HF), not only the area of application is affected but also other surfaces. Information regarding the correlation of the dissolution caused by HF and the flexural strength of the ceramic is lacking.Effect of surface treatments on bond durability of zirconia-reinforced lithium silicate ceramics: An in vitro study
The influence of surface treatments on the bond durability of zirconia-reinforced lithium silicate ceramics (ZLS) is unclear.Wear of various restorative materials against 5Y-ZP zirconia
The ceramic 5-mol% yttria-stabilized zirconia (5Y-ZP) has been developed for dental use in the esthetic zone with greater translucency than 3-mol% yttria-stabilized zirconia (3Y-ZP). However, studies on the wear behavior of 5Y-ZP zirconia against clinically relevant antagonist materials are lacking.Flexural strengths, failure load, and hardness of glass-ceramics for dental applications
Glass-ceramics are often selected for use in dental restorations based upon advertised flexural strengths obtained from standardized tests on prefabricated specimens (bars and disks); these may not accurately reflect their performance in dental applications.Effects of surface treatment and shade on the color, translucency, and surface roughness of high-translucency self-glazed zirconia materials
The impact of different surface treatments and shades on the color, translucency, and surface roughness of high-translucency self-glazed zirconia materials is unclear.Effect of multiple firings on surface roughness and flexural strength of CAD-CAM ceramics
Knowledge on the effect of multiple firings on surface roughness and the flexural strength of different types of monolithic computer-aided design and computer-aided manufacturing (CAD-CAM) ceramics is limited.Effect of firing cycle and aging on long-term chemical degradation of monolithic CAD-CAM ceramics
Previous studies have shown the susceptibility of dental ceramics to degradation when subjected to certain media. However, knowledge on the effect of repeated firings and thermocycling on the ion elution of computer-aided design and computer-aided manufacturing (CAD-CAM) ceramics is lacking.Effect of artificial aging on the translucency of monolithic zirconia materials sintered at different temperatures
Translucent zirconia materials were developed as an alternative to lithium disilicate materials. However, the effect of sintering temperature and artificial aging on the translucency of zirconia materials is unclear.Quantitative analysis of color accuracy and bias in 4 dental CAD-CAM monolithic restorative materials with different thicknesses: An in vitro study
Computer-aided design and computer-aided manufacturing (CAD-CAM) monolithic restorative materials have become a popular option because of advantages such as convenience and efficiency. However, studies that quantitatively analyzed their color accuracy and bias are lacking.Evaluation of surface characterization and mechanical features of resin-matrix ceramics before and after different surface treatments
Surface treatments (STs) required for micromechanical interlocking can lead to alterations in the surface characterization and mechanical features of the resin-matrix ceramics (RMCs), which may jeopardize the long-term outcome of an indirect restoration. However, evidence on this issue is lacking.Effect of different surface treatments and thermomechanical aging on the ion elution of CAD-CAM materials
Dental ceramics have been reported to elute ions when subjected to nonneutral pH. However, the effect of surface treatments and thermomechanical aging on the ion elution of CAD-CAM ceramics is unclear.Influence of different glaze firing protocols on the mechanical properties of CAD-CAM ceramic materials
The influence of different glaze firing protocols and cooling on the behavior of computer-aided design and computer-aided manufacturing (CAD-CAM) ceramics is unclear.Effects of sintering protocol and dipping time on the optical properties of monolithic zirconia
The use of monolithic zirconia for restorations has become popular. However, the effects of the coloring process and sintering procedure on the optical properties of monolithic zirconia remain unclear.Friction and wear behavior of chairside CAD-CAM materials against different types of antagonists: An in vitro study
Studies on the friction and wear behavior of recently introduced chairside computer-aided design and computer-aided manufacture (CAD-CAM) restorative materials are lacking.Effects of surface treatments and abutment shades on the final color of high-translucency self-glazed zirconia crowns
Achieving excellent esthetics with monolithic self-glazed zirconia crowns in anterior teeth is challenging, and the impact of different surface treatments and abutment shades on the final color is unclear.Effect of mastication simulation on the phase transformation of posterior 3-unit monolithic zirconia fixed dental prostheses
Monolithic zirconia restorations are directly exposed to cyclic loads and temperature changes in the oral cavity after cementation. These stresses may reduce the long-term success of the material by causing uncontrolled phase transformations within the zirconia.Effect of external staining on the optical properties and surface roughness of monolithic zirconia of different thicknesses
The effect of the number of external staining applications on the color, translucency, and surface roughness of monolithic zirconia is not known.Effect of sintering condition and low-temperature degradation on the flexural strength and phase transformation of zirconia
The traditional sintering of zirconia takes an extended time, and accelerated treatments have been developed to reduce treatment time and manufacturing costs. Studies evaluating the effect of sintering time on the mechanical properties of zirconia are lacking.Stainability of different ceramic materials against mouth rinses and effect of polishing after staining
Mouth rinses are known to stain tooth surfaces. However, their staining effect on different ceramics after prolonged use and the effect of polishing after staining are still unclear.Effects of thickness of different types of high-translucency monolithic multilayer precolored zirconia on color accuracy: An in vitro study
High-translucency monolithic multilayer precolored zirconia provides acceptable esthetics and eliminates chipping of the veneering porcelain. However, the color is not always consistent with the standard Vita shade guide, and the color saturation may vary with the thickness of the zirconia.Effect of additional pressing on the color and translucency of pressable ceramic materials: An in vitro study
Whether reusing the buttons of pressable ceramic materials affects their color or translucency is unclear.Effect of surface treatments on wear and surface properties of different CAD-CAM materials and their enamel antagonists
Which surface treatment provides optimal surface roughness, microhardness, and wear behavior for computer-aided design and computer-aided manufacturing (CAD-CAM) materials and their enamel antagonists is unclear.Stepwise stress testing of different CAD-CAM lithium disilicate veneer application methods applied to lithium disilicate substructures
Whether a computer-aided design and computer-aided manufacture (CAD-CAM) fabricated high-translucency lithium disilicate veneer on a lithium disilicate substructure would increase the strength of the restoration compared with a traditional feldspathic porcelain veneer is unclear.Wear of monolithic zirconia against different CAD-CAM and indirect restorative materials
The wear of monolithic zirconia against enamel has been widely studied, but how zirconia affects different opposing restorative materials is not clear.
