Dental iQ Volume 37, Ежеквартальное издание page 66-83 , more by this author, more by this author, more by this author, more by this author, more by this author, more by this author, more by this author, more by this author, more by this author, more by this author, more by this authormore by this author backread more Key words: Original publication: Endodontie 2012;21(4):413–428