PRAGMATIC AND STYLISTIC PERSPERCTIVES ON BRITISH AND AMERICAN COVID-19 CARTOONS



Spectrophotometric comparison of two porcelain systems, VMK master and VM13 with the VITA 3D-master shade guide (An in vitro study)

Background: Accurate shade matching of metal-ceramic restorations with natural teeth is one of the most challenging aspects of dental restorations and esthetic dentistry.The aim of this study was to evaluate of the color parameters of two types of porcelain systems VMK Master and VM13 porcelain with VITA 3D-master shade guide.Materials and Methods:

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Persistent T cell-mediated immune responses against Omicron variants after the third COVID-19 mRNA vaccine dose

IntroductionThe prime-boost COVID-19 mRNA vaccination strategy has proven to be effective against severe COVID-19 disease and death.However, concerns have been raised due to decreasing neutralizing antibody levels after COVID-19 vaccination and due to the emergence of new immuno-evasive SARS-CoV-2 variants that may require additional booster vaccin

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