نتایج جستجو برای: scaling and descaling

تعداد نتایج: 16837838  

Journal: :Agroecology and Sustainable Food Systems 2018

Journal: :journal of lasers in medical sciences 0
guilherme josé pimentel lopes de oliveir univ. estadual paulista - unesp, department of diagnosis and surgery, araraquara school of dentistry, araraquara, sp, brazil. department of health sciences, implantology post graduation course, school of dentistry, university center of araraquara – uniara, araraquara, são paulo, brazil. felipe eduardo pinotti univ. estadual paulista - unesp, department of diagnosis and surgery, araraquara school of dentistry, araraquara, sp, brazil heglécia da luz carvalho univ. estadual paulista - unesp, department of diagnosis and surgery, araraquara school of dentistry, araraquara, sp, brazil. cássio rocha scardueli univ. estadual paulista - unesp, department of diagnosis and surgery, araraquara school of dentistry, araraquara, sp, brazil. rosemary adriana chiérici marcantonio univ. estadual paulista - unesp, department of diagnosis and surgery, araraquara school of dentistry, araraquara, sp, brazil.

introduction: the aim of this study was to evaluate the influence of different levels of external irrigation during irradiation with an erbium, chromium: yttrium-scandium-gallium-garnet (er,cr:ysgg) laser on the roughness and wear of dental tissue during scaling procedures. methods: twenty-five uniradicular bovine teeth had the proximal surfaces planed and divided into 3 regions: upper, middle ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده علوم 1390

چکیده : یکی از راههای بررسی واکنش های نابودی زوج ذرات ، استفاده از مدل ها ی شبیه سازی شده این رویداد ها است. در این پایان نامه از دو دسته داده برای بررسی واکنش نابودی e^+ e^- استفاده شده است ، که عبارتند از: 1) داده های حاصل از آشکارamy در شتاب دهندهtristan در انرژی مرکز جرم60 gev . 2) داده های شبیه سازی مونت کارلو حاصل از بر نامه pythia - برحسب الگوریتم آبشار پارتونی - در انرژی های مرکز جر...

Background and objectives: The association of oral micro-organisms with infectious diseases such as bacterial endocarditis is a concern in dentistry. Bacterial endocarditis is a serious disease with a mortality rate of 40%. The present study was conducted to investigate the effect of using chlorhexidine mouthwash on concentrations of some groups of bacteria in gingival sulcus, which is the main...

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