نتایج جستجو برای: developed regions at third
تعداد نتایج: 4503947 فیلتر نتایج به سال:
Background and Aim: The use of fiber reinforced posts in endodontically treated teeth has become increasingly common. But their retention in root canals must be considered seriously. The aim of this study was to evaluate the effect of light-cure and dual-cure bondings on regional bond strength of a fiber composite post.Materials and Methods: In this experimental in vitro study, 20 endodonticall...
In this paper, an purchasing inventory model for deteriorating items is developed with a linear, positive trend in demand, allowing inventory shortages and backlogging. It is assumed that the goods in the inventory deteriorate over time at a constant rate . Two models are developed for two operational policies. The first policy covers the case that the inventory model with linear demand for det...
The accurate partitioning of Ig H chain V(H)DJ(H) junctions and L chain V(L)J(L) junctions is problematic. We have developed a statistical approach for the partitioning of such sequences, by analyzing the distribution of point mutations between a determined V gene segment and putative Ig regions. The establishment of objective criteria for the partitioning of sequences between V(H), D, and J(H)...
The goal of this review was to determine the prevalence of cysts in the oral and maxillofacial regions, specially odontogenic cysts, as determined by age, sex and location.This research reviewed 6826 biopsies from department of oral pathology school of dentistry at the medical sciences university of Tehran from 1360-1376 (1981-1997).The results obtained revealed that 19.48% of biopsy lesions we...
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