Ahmed Naguib
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View article: Evaluation of Marginal and Internal Adaptation of Endocrowns Fabricated from Nano-ceramic Hybrid and Lithium Disilicate Ceramic Materials: A Randomized Controlled Clinical Trial
Evaluation of Marginal and Internal Adaptation of Endocrowns Fabricated from Nano-ceramic Hybrid and Lithium Disilicate Ceramic Materials: A Randomized Controlled Clinical Trial Open
Upon consideration of restoring non-vital posterior teeth with endocrowns, lithium disilicate IPS e.max CAD is the material of choice, while Grandio nano ceramic hybrid is less recommended. How to cite this article: Salah El-Din M, Adel S,…
View article: Evaluation of how attenuation correction influences image quality in myocardial perfusion SPECT/CT applying Flash3D iterative reconstruction techniques
Evaluation of how attenuation correction influences image quality in myocardial perfusion SPECT/CT applying Flash3D iterative reconstruction techniques Open
View article: Evaluating the Efficacy of Silver Nanoparticle Modified Fiber-Reinforced Composite Resin Space Maintainers in Controlling Lactobacillus Growth: A Randomized Clinical Trial
Evaluating the Efficacy of Silver Nanoparticle Modified Fiber-Reinforced Composite Resin Space Maintainers in Controlling Lactobacillus Growth: A Randomized Clinical Trial Open
View article: Prevalence of Tempromandibular Joint Disorders among Egyptian University Undergraduate Students: A Cross Sectional Study
Prevalence of Tempromandibular Joint Disorders among Egyptian University Undergraduate Students: A Cross Sectional Study Open
View article: Novel hole transport materials of pyrogallol-sulfonamide hybrid: synthesis, optical, electrochemical properties and molecular modelling for perovskite solar cells
Novel hole transport materials of pyrogallol-sulfonamide hybrid: synthesis, optical, electrochemical properties and molecular modelling for perovskite solar cells Open
Sulfonamide derivatives as semiconductor materials for organic optoelectronic devices, including photovoltaic (PV), have received considerable interest. In the present work, the synthesis of novel pyrogallol-sulfonamide derivatives based o…
View article: 97 Evaluating the impact of virtual collaborative teaching methods on educating and increasing interest in general surgery in medical students
97 Evaluating the impact of virtual collaborative teaching methods on educating and increasing interest in general surgery in medical students Open
Aim This study investigated the effectiveness of a multi-collaboration (OSCEazy, NSTS, INCISION UK, NANSIG, WEDNS, BIMA, BURST Urology) General Surgical teaching session, in evaluating the educational impact of large-scale collaborative vi…
View article: 482 Is Collaboration the Key to Strength in Unity for Surgical Education?
482 Is Collaboration the Key to Strength in Unity for Surgical Education? Open
Aim With the everchanging landscape of surgery, there is a paucity of surgical education courses focused on medical school finals examination. We examined the effectiveness of an eight-part specialty-doctor-delivered collaborative online t…
View article: Assessment of Modification Approach of Laser Fiber Optic Tip Designed to Achieve Effective Lateral Emission Capabilities
Assessment of Modification Approach of Laser Fiber Optic Tip Designed to Achieve Effective Lateral Emission Capabilities Open
Objective: During root canal or periodontal treatment, directing laser energy onto the walls of the root canal is essential for effective disinfection.This study assessed the performance of three designs of fiber modifications that modifie…
View article: Numerical modelling of apex connections in cold-formed steel gable frames
Numerical modelling of apex connections in cold-formed steel gable frames Open
Cold-formed steel (CFS) sections have gained acceptance as primary elements in steel frames due to their exceptionally high strength to weight ratio. The main purpose of this research is to study the behavior of the apex joint in portals f…
View article: Evaluation of biocompatibility of veneered Bio HPP and veneered lithium disilicate crowns in anterior zone (Randomized controlled clinical trial)
Evaluation of biocompatibility of veneered Bio HPP and veneered lithium disilicate crowns in anterior zone (Randomized controlled clinical trial) Open
Objective: Evaluation of the biocompatibility of Bio-High Performance Polymer (Bio HPP) crowns veneered with Visio-Ling versus e.max crowns veneered with e.max veneering system. Material and Methods: 42 full-coverage crowns were fabricated…
View article: Numerical investigations of micro bubble drag reduction effect for container ships
Numerical investigations of micro bubble drag reduction effect for container ships Open
In the course of the most recent thirty years reduction of ship resistance and saving fuel consumption to accomplish higher speed with reduction of pollutants has been the significant subject for researchers. Micro bubble drag reduction te…
View article: Pink and white esthetic scores of polymer-infiltrated-ceramic-network and lithium disilicate implant hybrid abutment crowns: Randomized clinical trial
Pink and white esthetic scores of polymer-infiltrated-ceramic-network and lithium disilicate implant hybrid abutment crowns: Randomized clinical trial Open
Objective:The aim of this study was to evaluate the effect of polymer-infiltrated-ceramicnetwork hybrid abutment crown on pink and white esthetics in comparison with lithium disilicate. Materials and methods:Eighteen patients requiring sin…
View article: International Roughness Index Predictive Model for Rigid Pavements based on LTPP Data(Dept. C (PUPLIC))
International Roughness Index Predictive Model for Rigid Pavements based on LTPP Data(Dept. C (PUPLIC)) Open
International roughness index (IRI) is the mathematical measurement of pavement smoothness.In this study, a regression model for IRI prediction for jointed plain concrete pavements (JPCP) was developed based on data from the Long Term Pave…
View article: Evaluation of Different Curing Energies on Some Properties of Two Recent Resins Composite.
Evaluation of Different Curing Energies on Some Properties of Two Recent Resins Composite. Open
Objective: Evaluation the curing capability of laser energy on new types of dental composites, in comparison to what's already available, is one of the main aims for this study, regarding the values of microhardness and the degree of conve…
View article: Analysis of Polymer Behavior (ABS) Under Mechanical Solicitation Based on Statistical Models
Analysis of Polymer Behavior (ABS) Under Mechanical Solicitation Based on Statistical Models Open
Amorphous thermoplastic polymers require a great interest thanks to their important industrial applications.This importance is reflected in many studies about their mechanical responses.Acrylonitrile butadiene styrene (ABS) has seen signif…
View article: ARRAYS OF MEMS-BASED ACTUATORS FOR CONTROL OF SUPERSONIC JET SCREECH
ARRAYS OF MEMS-BASED ACTUATORS FOR CONTROL OF SUPERSONIC JET SCREECH Open
The ability of a particular type of MEMS-based mechanical actuators to excite the shear-layer of a high-speed axisymmetric jet has been examined. This study focused on the utilization of a single actuator which is intended for use, as part…
View article: 3D Multi-gate Transistors: Concept, Operation, and Fabrication
3D Multi-gate Transistors: Concept, Operation, and Fabrication Open
The multi-gate transistors such as Fin-FETs, Tri-gate FETs, and Gate-all-around (GAA) FETs are remarkable breakthrough in the electronic industry.3D Transistor is taking the place of the conventional 2D planar transistor for many reasons.3…
View article: Prognosis of Residual Stresses in Steel T-Beams Using Acoustic Emission Method
Prognosis of Residual Stresses in Steel T-Beams Using Acoustic Emission Method Open