Comparison of five rotary systems regarding design, metallurgy, mechanical performance, and canal preparation—a multimethod research
Martins, Jorge N. R. ; Silva, Emmanuel João Nogueira Leal ; Marques, Duarte ; Belladonna, Felipe Gonçalves ; Simões-Carvalho, Marco ; Costa, Rui Pereira da ; Ginjeira, António ; Braz Fernandes, Francisco Manuel ; Versiani, Marco Aurélio