the holy quran is full of stories and its verses are occupied by lots of them, and the hero has the main role in them, so that the hero has a high role in moving the events of the story, enliven it and the detection of the ideas. the prophets and messengers are the most important heroes in quran stories; prophet moses has the most presence in its scenes. however, his roles have been different i...

AIM To evaluate the efficacy of 0.5%, 2.5% and 5.25% sodium hypochlorite (NaOCl) as intracanal irrigants associated with hand and rotary instrumentation techniques against Enterococcus faecalis within root canals and dentinal tubules. METHODOLOGY A total of 180 extracted human premolar teeth were infected for 21 days with E. faecalis. The specimens were divided into 12 groups, as follows: gro...

According to Greek mythology, Achilles was fatally wounded in his heel, bled out, and died. Several unproven hypotheses mention poisoning, infection, allergy, hemophilia, thyrotoxic storm (ie, pain and stress), and suicide. The author, a plastic surgeon who often treats chronic wounds, proposes an additional scenario: Although not mortally wounded, Achilles was considered dead, because in his t...

Statement of the Problem File fracture can interfere with cleaning and shaping of the canal and compromise periradicular healing. Autoclave sterilization may prone the files to fracture. Purpose The purpose of the present study was to determine the effect of autoclave sterilization on the cyclic fatigue resistance of Hero642 rotary instrument in two curvatures of 45 and 60 degrees. Material...

"Who is tlie hero? The world replies: " H e who overcomes in battle and subdues nations,—who brings home spoils gained by immense destruction of liuman life. A conqueror who leaves behind nothing but ruin wlieresoe'er he roves." Such are the lauded heroes of the world. He who jjoes forth to battle tilled with an ardent desire of victory for thesake of human applause,—who unrelentingly spares ne...