background and aims. cad/cam systems facilitate the use of zirconia substructure materials for all-ceramic copings. this in vitro study investigated the marginal and internal fit of zirconia copings made with cad/cam system and slip-casting method. materials and methods. sixteen cad/cam made zirconia copings and 16 slip-cast made zirconia copings were fabricated and cemented with glass-ionomer ...

Purpose This paper aims to explore how different service relationships (mentoring relationship versus partnering relationship) in co-production affect outcomes. Specifically, it whether the effects of on customers’ intention purchase are contingent upon appeals’ regulatory focus (promotion prevention focus) and when fit exist. Design/methodology/approach Three experimental studies were conducte...

I N B R I E F We are used to thinking of intelligence as largely a matter of genetic inheritance, but that is not the whole picture. What we do aff ects our mental wellbeing: staying physically and mentally active helps us stay sharp as we age. Nevertheless, our personal eff orts to bolster cognitive enhancement cannot forestall all declines in our cognitive performance. What is especially surp...

Abstract The compatibility of the Gaia hypothesis with Darwinism is often challenged on grounds that 1) to be potent, natural selection requires existence a population (whereas single entity), and 2) entities forming reproduce (while merely persists). However, using Price equation, I argue, following others, can fit squarely within Darwinian framework because exhibit adaptations if process at l...

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