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View article: Shrinkage stress and elastic modulus assessment of bulk-fill composites
Shrinkage stress and elastic modulus assessment of bulk-fill composites Open
Bulk-fill resin composites presented equal to lower shrinkage stress generation when compared to conventional composites, especially when bigger increments were evaluated. Bulk-fill composites showed a wide range of elastic modulus values,…
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Filling the Gap: A Correlation between Objective and Subjective Measures of Injectability Open
Various injectable biomaterials are developed for the minimally invasive delivery of therapeutics. Typically, a mechanical tester is used to ascertain the force required to inject these biomaterials through a given syringe‐needle system. H…
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Fatigue strength of several dental ceramics indicated for CAD-CAM monolithic restorations Open
This in vitro study evaluated the fatigue strength of different ceramic materials indicated for monolithic restorations. Disc-shaped specimens were made according to ISO 6872 from five different ceramic materials: feldspathic ceramic (FC),…
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Comparative Evaluation of Mechanical and Microleakage Properties of Cention-N, Composite, and Glass Ionomer Cement Restorative Materials Open
Cention-N is a newer restorative material having promising properties. This material can be used as an alternative restorative material.
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Over five-times improved elongation-to-fracture of dual-phase 1180 steel by continuous-bending-under-tension Open
This paper reports the main results from an experimental investigation into the improved elongation-to-fracture (ETF) of the advanced high strength steel (AHSS) dual-phase (DP) 1180 by subjecting the material to the continuous-bending-unde…
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Mechanical properties of 3D‐printed and milled composite resins for definitive restorations: An in vitro comparison of initial strength and fatigue behavior Open
Objective To evaluate the flexural strength and fatigue behavior of a novel 3D‐printed composite resin for definitive restorations. Materials and Methods Fifty disc‐shaped specimens were manufactured from each of a nanohybrid composite res…
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Effect of thermocycling and surface treatment on repair bond strength of composite Open
Aging by 10,000 thermal cycles significantly decreases the repair bond strength of composite and surface preparation by bur provides a higher bond strength compared to laser. Key words:Thermocycling, Composite, Repair, Laser.
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Effect of different composite core materials on fracture resistance of endodontically treated teeth restored with FRC posts Open
Among the cores used in this study, the composite core with high filler content tended to enhance fracture thresholds of teeth restored with fiber posts more than others.
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Comparative Evaluation of Shear Bond Strength of Various Glass Ionomer Cements to Dentin of Primary Teeth: An <i>in vitro</i> Study Open
Somani R, Jaidka S, Singh DJ, Sibal GK. Comparative Evaluation of Shear Bond Strength of Various Glass Ionomer Cements to Dentin of Primary Teeth: An in vitro Study. Int J Clin Pediatr Dent 2016;9(3):192-196.
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Screw detection for disassembly of electronic waste using reasoning and re-training of a deep learning model Open
Growing populations, increasing standards of living, and reliance on advancing technologies are resulting in an emerging abundance of electronic waste. Automating disassembly of these electronic products is a vital part of improving end-of…
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Fatigue monitoring of flax fibre reinforced epoxy composites using integrated fibre-optical FBG sensors Open
We demonstrated the applicability of integrated Fibre Bragg Grating (FBG) sensors in the case of flax fabric reinforced epoxy matrix composites produced by resin transfer moulding (RTM). FBG sensors were integrated between the reinforcing …
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Effect of Denture Cleansers on Surface Roughness and Flexural Strength of Heat Cure Denture Base Resin-An In vitro Study Open
Within the limitations of this in vitro study, it was concluded that immersion in 1% sodium hypochlorite solutions for three months influences the surface roughness and flexural strength of heat cure denture base resin; hence it should be …
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Bonding of conventional provisional resin to 3D printed resin: the role of surface treatments and type of repair resins Open
Our results suggest that when repairing 3D printed provisional restoration with conventional provisional resin, repair with bis-acryl composite without additional surface treatment is recommended.
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Fracture Strength of Three-Unit Implant Supported Fixed Partial Dentures with Excessive Crown Height Fabricated from Different Materials. Open
According to the findings of this study, all implant supported three-unit FPDs fabricated of zirconia, metal ceramic and PEEK materials are capable to withstand bite force (even para-functions) in the molar region with excessive CHS.
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Effect of restoration technique on resistance to fracture of endodontically treated anterior teeth with flared root canals Open
This study was designed to compare the impact of post and core systems on resistance to fracture of endodontically treated anterior teeth with flared root canals and to assess their fracture pattern. Sixty central incisors were cut horizon…
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Self-etch or etch-and-rinse mode did not affect the microshear bond strength of a universal adhesive to primary dentin Open
This study evaluated the microshear bond strength (µSBS) of resin composite to primary dentin using a universal adhesive in etchand-rinse mode or self-etch mode. Flat ground dentin surfaces were created on forty extracted human primary inc…
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Method of Evaluating Delayed Fracture Susceptibility of Tempered Martensitic Steel Showing Quasi-Cleavage Fracture Open
The difference in the hydrogen charging methods, immersion in a NH 4 SCN aqueous solution, and cathodic electrolysis in a NaOH aqueous solution, did not affect the hydrogen state present in the steel, but it did affect the surface state of…
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Shear bond strength of provisional repair materials bonded to 3D printed resin Open
No statistically significant differences in the shear bond strength of the different repair materials to 3D printed cylinders were observed. The 3D printed cylinder repaired with Bis-GMA composite demonstrated the most predictability from …
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Mechanical Behavior of PET-G Tooth Aligners Under Cyclic Loading Open
The cost of wireless network highly depends on the power consumption for transmission. The power consumption increases as number of users increase . Nonlinear enhancement of cost with increase in power needs the attention and optimization.…
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Influence of Different Etching Modes on Bond Strength to Enamel using Universal Adhesive Systems Open
Introduction The adhesive systems and the techniques currently used are designed to provide a more effective adhesion with reduction of the protocol application. The objective of this study was to evaluate the bond strength of universal ad…
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Characterisation and Modelling of PLA Filaments and Evolution with Time Open
The properties of polylactic acid (PLA) filaments have not yet been analysed in detail, and they are strongly affected by the extrusion process used in some additive manufacturing systems. Here we present the mechanical, thermal, physical,…
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Dentin pretreatment and adhesive temperature as affecting factors on bond strength of a universal adhesive system Open
Dentin surface treatment with sodium bicarbonate air abrasion improves bond strength of SbU, irrespective of adhesive application mode, which makes this approach an alternative to increase adhesive performance of Scotchbond Universal Adhes…
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Hydrogen Embrittlement Susceptibility Evaluation of Tempered Martensitic Steels Showing Different Fracture Surface Morphologies Open
The effects of the crosshead speed, hydrogen content and temperature on fracture strength and fracture surface morphology were investigated using a tempered martensitic steel containing 1.67 mass% of Si (H-Si) and one containing 0.21 mass%…
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Fracture Resistance of Endodontically Treated Teeth Restored with Lithium Disilicate Crowns Retained with Fiber Posts Compared to Lithium Disilicate and Cerasmart Endocrowns: In Vitro Study Open
Purpose:The purpose of this in vitro study was to compare the effect of endocrowns and glass fiber postretained crowns on the fracture resistance of endodontically treated maxillary premolars made of different ceramics materials. Materials…
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Evaluation of the Shear Bond Strength of Four Bioceramic Materials with Different Restorative Materials and Timings Open
The objectives of this study were to evaluate the shear bond strength (SBS) of a resin composite (RC) and a resin-modified glass ionomer (RMGI) to four different bioceramic materials and to compare the effects of the immediate vs. delayed …
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Reliability, failure probability, and strength of resin-based materials for CAD/CAM restorations Open
The strength characteristics of CAD/ CAM composites vary according to their composition and microstructure. VE presented the lowest strength and highest Weibull modulus among the materials.
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The impact of restorative material and ceramic thickness on CAD\CAM endocrowns Open
Endocrowns manufactured with CAD/CAM lithium disilicate blocks showed superior fracture load than the leucite-based blocks after mechanical fatigue. Nevertheless, both materials presented acceptable survival and fracture load as long as th…
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Evaluation of Flexural Strength of Thermocycled Interim Resin Materials Used in Prosthetic Rehabilitation- An In-vitro Study Open
The greatest flexural strength was observed for Bis-GMA composite resins followed by heat cure methacrylate resins, autopolymerizing methacrylate resins and was least for light cure resins. While fabricating provisional restorations, these…
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In vitro evaluation of repair bond strength of composite: Effect of surface treatments with bur and laser and application of universal adhesive Open
Surface preparation of aged composite by bur and application of universal adhesive can improve the repair bond strength of composite. Application of silane (without adhesive) in the process of repair cannot provide adequately high repair b…
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Effect of Thermocycling on Biaxial Flexural Strength of CAD/CAM, Bulk Fill, and Conventional Resin Composite Materials Open
SUMMARY New resin-based restorative materials have been developed, such as computer-aided design/computer-aided manufacturing (CAD/CAM) and bulk-fill composites, as an alternative to traditional layering techniques. This study evaluated th…