The efficiency of Nd:YAG laser radiation in removing debris and smear layer from prepared root
canal walls was studied. Fifty-seven human extracted single rooted anterior teeth were divided into three
groups. A group that was not lased is considered as a control group. The remaining teeth were exposed to
different laser parameters regarding laser energy, repetition rate and exposure time. For the case of the set of
parameters of 7 mJ laser energy, the cleaning was maximum at 3 p.p.s. repetition rate for 3 seconds exposure
time for, the coronal, middle and apical thirds. Above and below this energy level, there was an overdose
(melting) or under dose (no effect). Nevertheless for 10mJ laser energy case, the cleaning efficiency was
obvious but less than the 7 mJ case
Employee Stealing or internal theft is considered from the passive practices that can’t be denied or be hidden, In spite of the hospital privacy as a serving organization that works 24\7 and deleing with human lives, they weren’t infallible from that kind of practice. To prevent or reduce this practice, it was important to search for the organizational and behavioral factors influencing internal thefts.
The study problem briefly is to reach the most organizational and behavioral factors influencing internal theft, in governmental hospitals in Baghdad Rusafa Health district, this was done by analyzing (20) administrative cases, of thefts occurred in the District, also a sample of (60) sp
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Agriculture is one of the important job in the human life. Since the first beginning of humanity life, agriculture was the basis property in order to get individual foods. The Holy Quran and Hadith were supplied agriculture and all Muslims were followed this field especially after Islamic state expansion and its possessive many lands which developed directly our Islamic civilization.
Spiritual training is aimed to plant the faith in individuals soul because it is the basis of the religion, but rather a strong deferent that accompanies human life in his thinking and management and awakens
إن تاريخ التعليم في السنوات الأخيرة هو قصة تحكي تطور التعليم من بُعد والتعليم المفتوح وباختصار " الإنفتاح التعليمي " Opening up education؛فعلى مدى عقود قليلة عملت التكنولوجيا الحديثة مثل الكمبيوتر الشخصي ، والوسائط المتعددة التفاعلية ، والإنترنت باستمرار على توسيع فرص
The codification of the social history of the city of Baghdad will be filled with an inherited folklore and folklore that has been descended to it from the previous generations with all its tales of folk tales, metaphors, parables, crafts and industries. Immortal
يُعدّ التناص أحد تقانات البلاغة الحديثة – الأسلوبية- التي تنهض برقي النص ، بوصفه عنصراً فاعلاً في بلورة المعنى وتناغمه مع قصدية المتكلّم ؛ ممّا يسهم في تواشج علائقية البنية الدلالية للنص وتعاضدها النسقي في تكوينه ؛ لفتح نافذة التأويل عند المتلقي بحثاً عن الدلالات المتغلغلة في البنية العميقة ، وهذا ما بدا واضحاً في متن كتاب (غرر البلاغة) للصابي ، فهو يزخر بنصوص تناصية دينية وأدبية ، تمدّ المعنى بطاقات جمالية م
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