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Effect of light-activation methods and water storage on the flexural strength of two composite resins and a compomer
Compomers Dental materials Composite resins
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2009/10/19
The present study evaluated the flexural strength of three composite resins recommended for direct esthetic restorations: a polyacid modified composite (Dyract AP), a unimodal composite resin (Filtek ...
Acid Etching of Titanium for Bonding with Veneering Composite Resins
Titanium Acid etching Composite resin
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2009/9/14
Commercially pure titanium (cpTi) was etched using three concentrated acids: 18% HCl, 43% H3PO4, and 48% H2SO4. The bond strengths between five types of veneering composite resin and eight cpTi treatm...
Effects of Occlusal and Brushing Forces on Wear of Composite Resins
Wear test Occlusal force Brushing force
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2009/9/14
Effects of occlusal and brushing forces on the wear of composite resins were investigated using three different wear tests: simulated occlusal wear test, toothbrush wear test, and combined wear test w...
Influence of Irradiation Time on Volumetric Shrinkage and Flexural Properties of Flowable Resins
Flowable resin Volumetric shrinkage Flexural strength
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2009/9/14
The purpose of this study was to evaluate the influence of irradiation time on volumetric change and flexural properties of flowable resins. Four commercially available flowable resins were employed. ...
Effects of LEDs on Microhardness and Temperature Rise of Dental Composite Resins
LEDs Composite resins Microhardness
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2009/9/14
The purpose of this study was to examine the effects of LEDs on the polymerization of dental composite resins. Three composite resins and two LED units were used to evaluate the latter's effects on mi...
Resin Infiltration of Artificial Enamel Caries Lesions with Experimental Light Curing Resins
Caries Infiltration Infiltrant
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2009/9/14
To prevent enamel lesions from further demineralization, a complete and homogeneous penetration of low-viscosity resins (‘infiltrants’) should be accomplished. With commercially available adhesives, t...
Immobilization of Simulated Reducing Agent at the Surface of SiO2 Fillers in Dental Composite Resins
Immobilization Simulated reducing agent SiO2 fillers
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2009/9/14
To reduce the leachability of reducing agents from composite resins, immobilization of a simulated reducing agent at the surface of SiO2 fillers was examined. SiO2 plates were immersed in 2% 3-aminopr...
Effect of Degradation of Denture Base Resin on Bond Strength to Relining Resins
Denture base resin Relining resin Bond strength
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2009/9/14
The purpose of this study was to evaluate the effect of degradation of a denture base resin on bond strength to relining resins. Denture base resin specimens were immersed under various conditions to ...
Effect of Filler Properties in Composite Resins on Light Transmittance Characteristics and Color
Filler Light transmittance Color
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2009/9/14
The purpose of this investigation was to examine the effect of filler particle size and shape as well as filler content on light transmittance characteristics and color of experimental composite resin...
UV-VIS spectra and photoinitiation behaviors of acylphosphine oxide and bisacylphosphine oxide derivatives in unfilled, light-cured dental resins
UV-VIS spectra Photo-DSC Degree of conversion
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2009/9/14
The aims of this study were to investigate the photoinitiation behaviors of acylphosphine oxide (APO) and bisacylphosphine oxide (BAPO) derivatives in comparison to D,L-camphorquinone (CQ)/tertiary am...
Effects of abrasive and fiber components in medium on wear of composite resins
Composite resin Wear Medium
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2009/9/11
Effects of abrasive and fiber components in a medium on the wear behavior of composite resins were evaluated. Calcium diphosphate and methyl cellulose were included in the medium as abrasive and fiber...
In vitro Comparison of Autoclave Polymerization on the Transverse Strength of Denture Base Resins
Denture base resins Polymerization Autoclave
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2009/9/11
The aim of this study was to determine the effect of autoclave polymerization on the transverse strength of denture base polymers. To this end, 30 rectangular test specimens were fabricated of two hea...
The Effects of Light Intensity and Light-curing Time on the Degree of Polymerization of Dental Composite Resins
Light intensity Light-curing time Polymerization
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2009/9/11
The aim of this study was to investigate the effects of light intensity and light-curing time on the polymerization of composite resins. Four composite resins were light-cured with different light-cur...
Flexural Performance of Flowable versus Conventional Light-cured Composite Resins in a Long-term in vitro Study
Flowable composite Mechanical property Long-term durability
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2009/9/11
The purpose of this study was to evaluate the flexural strength, flexural modulus, modulus of resilience, and water sorption of four flowable light-cured composite resins (FCRs). Results were then com...
Effects of Occlusal and Brushing Cycles on Wear of Composite Resins in Combined Wear Test
Combined wear Wear cycles Composite resin
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2009/9/11
The effects of occlusal cycles and brushing cycles on wear of composite resins were investigated using a combined wear test, which carried out occlusal and toothbrush wear tests alternately. Worn volu...