PURPOSE This study was to evaluate the marginal fit of two CAD-CAM anatomic contour zirconia crown systems compared to lithium disilicate glass-ceramic crowns. MATERIALS AND METHODS Shoulder and deep chamfer margin were formed on each acrylic resin tooth model of a maxillary first premolar. Two CAD-CAM systems (Prettau®Zirconia and ZENOSTAR®ZR translucent) and lithium disilicate glass ceramic...

We discuss an N = 2 quantum mechanics with or without a central charge. A representation is constructed with the number of bosonic degrees of freedom less that one half of the fermionic degrees of freedom. This is done via a certain reduction. Unexpected properties of our solution are: overextended R symmetry and a mirror-like symmetry. Our consideration opens a problem of a general classificat...

Burnout, the significant mental and physical exhaustion brought on by a stressful work environment, has become a growing problem in the medical world. With burnout rates among physicians exceeding 40 percent, physicians need tools to combat the personal and professional dysfunction that hurts themselves, their loved ones, their coworkers, and their patients. Physicians who are overextended and ...

The prolonged coronavirus-2019 (COVID-19) pandemic and co-occurring disasters during 2020 took a toll on everyone, taxing public health disaster management personnel particularly. This initial study evaluated levels of exhaustion, cynicism, professional efficacy among broad array the workforce responding to these events through an online survey. Responses were compared normative standards from ...

Term Acronym Definition Source Affective Commitment to the IS Profession ACISP* An individual's positive emotional attachment to the profession. Lee et al. 2000; Meyer and Herscovitch 2001 Autonomy AUT Provides individuals with the freedom to decide how to accomplish tasks. Ahuja and Thatcher 2005 Burnout BO A condition in which the stress experienced exceeds an individual's ability to cope wit...

Italian is often accused of being a sexist language because the masculine form always prevails; feminine names are minority (compared to ones); very often, one word, used in form, has positive connotation, but same feminine, negative one. There many kinds sexism (linguistic, behavioural, political, implicit, and criminal) as well ways it can be conveyed real world. This paper will focus on ling...