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The effect of the elastic modulus of low-viscosity resins on the microleakage of Class V resin composite restorations under occlusal loading
Elastic modulus Elastic cavity wall Microleakage
2010/11/29
This study aimed to evaluate the effectiveness of various intermediate layers on the microleakage of Class V restorations under an occlusal load. Wedge-shaped cavities were prepared on the buccal surf...
The effect of loading solution and dissolution media on release of Diclofenac from ion exchange resins
Ion exchange resins Diclofenac sodium
2010/1/6
Drugs can be loaded on ion exchange resins in order to control their release. Loading of diclofenac sodium on the resin beads not only sustain its release but also reduce its gastrointestinal mucosal ...
Diametral tensile strength of composite resins submitted to different activation techniques
Composite resins Physical properties Tensile strength
2009/10/19
The aim of this study was to evaluate the diametral tensile strength (DTS) of composite resins submitted to different curing techniques. Four composite resins were tested in this study: Targis (Ivocla...
Effect of light-activation methods and water storage on the flexural strength of two composite resins and a compomer
Compomers Dental materials Composite resins
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 ...
Flexural and diametral tensile strength of composite resins
Composite resins Tensile strength Physical properties
2009/10/16
This study evaluated the flexural strength (sf) and the diametral tensile strength (st) of light-cured composite resins, testing the hypothesis that there is a positive relation between these properti...
Study of the surface hardness and modulus of elasticity of conventional and microwave-cured acrylic resins
Denture complete Polymethyl methacrylate Hardness Elasticity
2009/10/16
The aim of this study was to evaluate the following acrylic resins: Cl醩sico?/sup>, QC-20?/sup> and Lucitone?/sup>, recommended specifically for thermal polymerization, and Acron MC?/sup> and VIPI-WAVE...
Acid Etching of Titanium for Bonding with Veneering Composite Resins
Titanium Acid etching Composite resin
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
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
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
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
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
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
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
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
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...