many types of cancers develop in the oral and maxillofacial region. squamous cell carcinoma is the most common cancer and constitutes over 90 percent of these tumors. malignant transformation is a genetic process, which later makes a phenotyping change at the cellular level. some cancers such as oral squamous cell carcinomas (osccs) develop from pre-malignant lesions and conditions. despite adv...

introduction: squamous cell carcinoma (scc) is the most common head and neck malignancy. smoking, alcohol consumption, viral infections, exposure, oral hygiene, and dietary, genetic, and occupational factors are the most important etiologic factors. the aim of this study was determining the incidence of etiologic factors in head and neck scc.  materials and methods: this is a cross-sectional su...

a wireless sensor network consists of many inexpensive sensor nodes that can be used toconfidently extract data from the environment .nodes are organized into clusters and in each cluster all non-cluster nodes transmit their data only to the cluster-head .the cluster-head transmits all received data to the base station .because of energy limitation in sensor nodes and energy reduction in each d...

this article investigates the syntactic structure of numeral classifiers in persian dps within the minimalist program. numeral classifiers are morphemes by which nouns are numerated by a number category. the morpho-syntactic analysis of classifiers in comparison to the other constituents of dps like number, based on cheng and sybesma (2005), ishii (2000), li(1998, 1999), tang (2004), simpson (2...

to investigate the relationship between different traits, discover factors affecting this relationship and to identify components of seed yield in cultivated and wild safflower genotypes, this investigation was conducted at isfahan university of technology research farm under two different water regimes during 2008. significant differences were observed between genotypes belonged to the two spe...

in order to determine the effect of valsalva maneuver and head rotation on the internal jugular vein (ijv) diameter and cross-sectional area and overlap with the carotid artery (ca) and find the best technique for safe cannulation of the ijv and decrease the risk of ca puncture, the diameter of both the ijv and the ca and percentage of overlap between the two vessels and cross-sectional area of...