%0 Journal Article %T COMPARATIVE ASSESSMENT OF MACHINING OF ROOT CHANNELS OF THE TEETH BY SYSTEMS ROTATING NICKEL -TITANIUM TOOLS %A Semenkov, V.A. %A Lunizyna, Y.V. %A Tokmakova, S.I. %K the root channel, machining, nickel-titanium files %J Actual problems in dentistry %D 2015 %N 11 %P 2 %I TIRAZH Publishing House