resorption of tooth structures can occur as a result of physiological, pathological, and idiopathic factors. early diagnosis and appropriate treatment can prevent its serious complications. this case report presents surgical endodontic management of a trauma-induced perforating external root resorption, which was diagnosed with the help of cone beam computed tomography. following root canal tre...

The 'non-sensory' feelings of familiarity, rightness and tip-of-the-tongue postulated in the target article all find a natural explanation within existing models, including Gray's (1995) comparator model, of the way in which top-down and bottom-up processing interact to select the contents of consciousness. 1. No Qualia -No Problem Much current research aims to increase the precision with which...

Cutaneous leishmaniasis caused by leishmania tropica is endemic in Iran. Kerman is the fifth most infected foci of dry type of cutaneous leishmaniasis after Tehran, Mashhad, Naishabor and Shiraz. We studied the clinical features of this disease in 664 patients referred to the dermatology and private clinic during the period March 1992 to March 1993 in Kerman. Females were dominated. The d...

In this paper, we investigate the phonological and phonetic markers of focus and topic intonation in Greek. We have found that both focus and topic are marked by phrasing, type of pitch accent and boundary tone. One difference between the two is that, on the one hand, focus deletes a boundary after the focus word and de-accents all following words. On the other hand, topicalization creates an I...

In order to produce biodiesel from waste cooking oil and optimize its yield, a two-stage process of esterification/ transesterification has been used in this study. First, we used the acidic catalysts H2SO4 in order to diminish the content of free fatty acid (FFA) in oil that caused reducing the oil acidity from 6.1% to 0.57% through esterification. Then, the biodiesel was produced by transeste...

due to its domestic problems, russia failed to pay significant attention to central asia and the caucasus after the collapse of the soviet :union:. this resulted in a geopolitical vacuum in the region followed by extensive activities done by regional actors including iran, turkey, pakistan and israel as well as world players such as nato. defining central asia and the caucasus as 'near abr...