Introduction: This study aims to examine the role of cognitive emotion regulation strategies in the degree of depression, anxiety, and stress of coronary heart disease patients by using predictive correlation method.   Materials and Methods: In this research population consisted of all coronary heart disease patients who referred to Cardiovascular Specialized Hospital in Kermanshah city among...

compare the effect of different ceramic thicknesses on degree of conversion (dc) of 3 light-cured resin cements. methods: in this experimental in-vitro study, the degree of conversion of three light-cured resin cements, variolink veneer (ivoclar, liechtenstein), relyx veneer (3m espe, usa) and choice2 (bisco, usa) were evaluated beneath feldespatic ceramic discs (vita vmk master) with a same sh...

statement of problem: for many years, application of the composite restoration with a thickness less than 2 mm for achieving the minimum polymerization contraction and stress has been accepted as a principle. but through the recent development in dental material a group of resin based composites (rbcs) called bulk fill is introduced whose producers claim the possibility of achieving a good rest...

introduction: medical professionals are often under the influence of stress due to the responsibility of providing patients with comfort and care.  working conditions in hospitals create much stress and anxiety and can affect the health of staff, especially the nurses.  this study was designed to investigate the job stressors of nursing personnel in the emergency wards of zahedans’ hospitals du...

The first and second Zagreb indices of a graph are equal, respectively, to the sum of squares of the vertex degrees, and the sum of the products of the degrees of pairs of adjacent vertices. We now consider analogous graph invariants, based on the second degrees of vertices (number of their second neighbors), called leap Zagreb indices. A number of their basic properties is established.