background: multiple sclerosis (ms) is a common inflammatory - degenerative disease of myelin sheet of central nervous system that affects more young people. these patients show some degrees of cognition problems such as memory and processing disorders. the aim of this study was to evaluate the speed processing ability by word finding assessment in three categories include fruits, animals and o...

1024x768 background: sedentary lifestyles, along with diets low in fruits and vegetables, complex carbohydrates and high in fat and total energy are increasing among adolescents. these unhealthy behaviors associated with obesity, type 2 diabetes, hypertension, and heart disease. healthful dietary behaviors, such as fruit and vegetable consumption among adolescents had been reported as inadequat...

normal 0 false false false en-us x-none ar-sa microsoftinternetexplorer4 background: the aim of research was to study spiral family implant by finite element analysis (fea) inserted in different bone qualities connected with abutments of different angulations. methods: the biomechanical behaviour of 4.2 × 13 mm dental implants, connecting screw, straight and 15° and 25° angulated abutments subj...

normal 0 false false false en-us x-none ar-sa microsoftinternetexplorer4 background: antimicrobial agents have been used as a chemotherapeutic agent to improve oral health. this in vitro study was carried out to determine the antimicrobial activity of ten iranian-made toothpastes against commonly found bacteria in the oral cavity. methods: the microorganisms used in this study were streptococcu...

normal 0 false false false en-us x-none ar-sa microsoftinternetexplorer4 the maxillary lateral incisor is the second most common congenitally absent tooth. there are several treatment options for replacing the missing maxillary lateral incisor, including canine substitution, tooth-supported restoration, or single-tooth implant. dental implants are an appropriate treatment option for replacing m...

Advantages of using a low-energy effective theory to study bound state properties are briefly discussed, and a nonperturbative implementation of such an effective theory is described within the context of nonrelativistic quantum mechanics. The hydrogen atom, in the approximation of a structureless, infinite-mass nucleus, but with the leading relativistic and radiative corrections included, is u...

We consider quantum computing in the one-qubit model where the starting state of a quantum computer consists of k qubits in a pure state and n − k qubits in a maximally mixed state. We ask the following question: is there a general method for simulating an arbitrary m-qubit pure state quantum computation by a quantum computation in the kqubit model? We show that, under certain constraints, this...