objectives: it is essential for clinicians to have adequate knowledge about root canal configurations; although its morphology varies largely in different ethnicities and even in different individuals with the same ethnic background. the current study aims to review the root canal configurations of mesiobuccal roots of maxillary first molars in an iranian population based on different epidemiol...

lichen planus is a chronic inflammatory mucocutaneous disease. mucosal lesions are classified into six clinical forms and there is malignant potential for two forms of olp; therefore, follow-up should be considered. there are many un-established etiological factors for olp and some different treatment modalities are based on etiology. the aims of current olp therapy are to eliminate mucosal ery...

conclusions: the results of the present research indicates that the emphasis of the his evaluation moves from technical subjects to human and organizational subjects, and from objective to subjective issues. therefore, this issue entails more familiarity with more qualitative evaluation methods. in most of the reviewed studies, the main focus has been laid on the necessity of using multi-method...

Research can be understood as systematic investigation to develop theories, establish evidence and solve problems. We can either undertake new research or we can learn from what others have already studied. How, then, do we go about finding out what has already been studied, how it has been studied, and what this research has found out? A common method is to undertake a review of the research l...

Increased productivity is of societal good and efforts to achieve this should be a relevant task for all businesses. However, the concept of productivity is not clear as to what is to be measured. This becomes a problem especially when statements are made that the development of productivity in the construction industry is not as good as other sectors of industry. It is not clear if this compar...

This paper draws out and distils three key themes that have emerged from a substantial bibliographical review of a range of HIV intervention programmes, implemented throughout the world between years 1987 and 1995. Specifically, the paper assesses (1) to what extent intervention programmes have been tailored to meet the requirements and needs of specific target groups; (2) to what extent interv...

PURPOSE The purpose of this article is to clarify the distinction between research and audit, and propose appropriate regulatory arrangements for audit and related activities. DESIGN/METHODOLOGY/APPROACH The methods used were literature reviews and conceptual analysis. FINDINGS Research and audit overlap in various ways, but differ in terms of their purposes and the risks likely to be encou...

Nowadays, most nurses, pre- and post-qualification, will be required to undertake a literature review at some point, either as part of a course of study, as a key step in the research process, or as part of clinical practice development or policy. For student nurses and novice researchers it is often seen as a difficult undertaking. It demands a complex range of skills, such as learning how to ...

Psychologists debate whether consciousness or unconsciousness is most central to human behavior. Our goal, instead, is to figure out how they work together. Conscious processes are partly produced by unconscious processes, and much information processing occurs outside of awareness. Yet, consciousness has advantages that the unconscious does not. We discuss how consciousness causes behavior, dr...