the treatment of in completely formed pulpless teeth has presented considrable problems. these teeth have wide open apexes and the walls of the root canal diverge toward the apical tissues. mechanical preparation cannot be done in the normal manner beacause of the large initial size and the taper of apical part of the canal , a mechanical stop cannot be produced at the apex of the canal and , t...

since the 1960s the age effects on learning both first and second language have been explored by many linguists and applied linguists (e.g lennerberg, 1967; schachter, 1996; long, 1990) and the existence of critical period for language acquisition was found to be a common ground of all these studies. in spite of some common findings, some issues about the impacts of age on acquiring a second or...

Background: Access to affordable and quality health care is one of the most important ways for reducing maternal and child mortality. The purpose of this study was to provide strategies to promote the quality of care during childbirth in Lorestan province in 2011. Materials and Methods: This research was a mixed method (quantitative, qualitative), study in which quality of 200 care during child...

The purpose of this study was to investigate the relationship among job satisfaction, organizational commitment and internal service quality in selected federations. For this purpose Xie, Di (2005) questionnaire was used. Reliability of the questionnaire after a pilot study using Cronbach's alpha test (;alpha =0/86) respectively. Statistical society desired to study all the staff federations sw...

reserches show that relationship between human and residential places is based upo both emotional and identity structures. in other words, habitat place is not only the creator of a part of humanistic identity but also form a kind of sentimental and emotional bond that may result in tendency to maintain closeness to a specific place. therefor, formaton of emotional and identity relationship wit...

Introduction: The mismatch between theoretical training and clinical practice leads to a decline in the quality of clinical service. This study aimed to investigate the strategies which reduce the gap between theoretical knowledge and clinical practice from the viewpoint of students. Methods: This Descriptive - cross - sectional study was performed in winter 2021 on 330 medical, nursing, midw...