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Color Stability of Resin Composites after Immersion in Different Drinks
Color stability Resin composite Drink
2009/9/14
The purpose of this study was to evaluate the discoloration of two nanohybrids, two microhybrids, and a posterior composite resin restorative material upon exposure to different drinks — namely tea, c...
Cytotoxicity Evaluation of Two Different Composites with/ without Fibers and One Nanohybrid Composite
Cytotoxicity Fiber-reinforced systems Nanohybrid composite
2009/9/14
In this study, cytotoxicity of two different composites with/ without fibers (Adoro/ Vectris and SculpturePlus/ FiberKor) and one nanohybrid composite (Artglass) were investigated and compared. Compos...
Dynamic Viscoelastic Behavior of Dental Composites Measured by Split Hopkinson Pressure Bar
Dental composite Dynamic viscoelastic properties Split Hopkinson pressure bar
2009/9/14
The present study evaluated the dynamic viscoelastic behavior of commercially available dental composites by a Split Hopkinson pressure bar (SHPB) test machine. Five commercially available composite r...
Staining of Hybrid Composites with Coffee,Oolong Tea,or Red Wine
Light-cured resin composite Staining, Chlorhexidine
2009/9/14
This study examined the surface staining mechanism of a photopolymerized composite by coffee, oolong tea, and red wine.
Dental composite was subjected to an experimental 24-hour staining cycle: 17-ho...
Effect of Enamel Shades on Color of Layered Resin Composites
Resin composite Color Translucency
2009/9/14
The purpose of this study was to evaluate the effect of the covering enamel layer of various thicknesses on the color of layered resin composites (LRC). To this end, the CIELAB parameters of the follo...
Effect of Surface Characteristics on Adherence of S. mutans Biofilms to Indirect Resin Composites
Indirect resin composite S.mutans Hybrid composite
2009/9/14
The purpose of this study was to evaluate the adherence of biofilms to the surfaces of two indirect resin composites, Estenia C&B and Gradia. Slabs were prepared from the materials, and then either gr...
Microhardness Evaluation of Resin Composites Polymerized by Three Different Light Sources
Microhardness Resin composite Light curing unit
2009/9/14
This study examined the surface microhardness of four kinds of resin composites with different fillers and resin matrices. Ten specimens of 2 mm thickness and 4 mm diameter of each resin composite wer...
Compressive Fatigue Behavior of Dental Restorative Composites
Dental composites Compressive fatigue Fracture mechanism
2009/9/14
The purpose of this study was to investigate the compressive fatigue behavior of five dental composites. Cylindrical specimens of 8 mm length and 4 mm diameter were made according to manufacturers' re...
Effect of Light Irradiation Time on the Mechanical Properties of Two Flowable Composites with Different Initiation Systems in Bonded and Unbonded Cavities
Flowable composite Mechanical properties Bonding
2009/9/14
The aim of this study was to evaluate the regional mechanical properties of flowable composites with different initiation systems under free and constrained conditions. Forty cavities fabricated in re...
Twenty-four Hour Flexural and Shear Bond Strengths of Flowable Light-cured Composites: A comparison Analysis Using Weibull Statistics
Flowable composites Mechanical strength Weibull analysis
2009/9/14
By means of Weibull analysis, this study evaluated and compared the flexural strength and shear bond strength of flowable light-cured composites against those of conventional ones. Twenty specimens of...
Effects of Monomer Composition and Original Filler Content on Filler Loading in the Resulting Centrifuged Composites
Centrifugal force Filler loading Monomer
2009/9/14
This study examined the effects of monomer composition, original filler content, and application of centrifugal force on the resulting filler loading of composites. Either Bis-MPEPP or UDMA was mixed ...
Study of the Variation between CIELAB ΔE* and CIEDE2000 Color-differences of Resin Composites
CIEDE2000 CIELAB ΔE Resin composites
2009/9/14
This study sought to assess the significance of the corrections introduced in the new CIEDE2000 color difference formula with respect to ΔE*ab. The purpose of which was to provide sounder knowledge, a...
Influence of abrasive particle size on surface properties of flowable composites
Flowable Polishing Particle size
2009/9/14
The purpose of this investigation was to measure and compare both the surface roughness and gloss of flowable composites polished with standardized silicone carbide (SiC) papers. Four flowable and two...
Effects of Light Curing Modes and Resin Composites on Temperature Rise under Human Dentin: An in vitro Study
Temperature rise Composites Polymerization
2009/9/11
The influence of three curing modes of a high-powered LED curing unit on temperature rise under 2-mm-thick dentin was investigated during the polymerization of resin composite samples of Admira, Filte...
Effect of Diameter of Glass Fibers on Flexural Properties of Fiber-reinforced Composites
Fiber-reinforced composites Flexural properties Glass fiber diameter
2009/9/11
This study investigated the effect of the diameter of glass fibers on the flexural properties of fiber-reinforced composites. Bar-shaped test specimens of highly filled fiber-reinforced composites (FR...