00584naa#a2200181#i#450# EN\\bibl\21776 20241103200102.7 2077-7566 20150225b2015####ek#y0engy0150####ca RU COMPARATIVE ASSESSMENT OF MACHINING OF ROOT CHANNELS OF THE TEETH BY SYSTEMS ROTATING NICKEL -TITANIUM TOOLS Journal article Ekaterinburg TIRAZH Publishing House 2015 2 с. Journal article local Semenkov V. A. Lunizyna Y. V. Tokmakova Svetlana Ivanovna dental-press.ru