@article {farmakis2013permanent,
	title = {The permanent deformation of the self-adjusting files when used in canals of extracted teeth},
	journal = {International endodontic journal},
	volume = {46},
	number = {9},
	year = {2013},
	pages = {863{\textendash}869},
	author = {Farmakis, ETR and Sotiropoulos, GG and Pantazis, N. and Kozyrakis, K}
}
