TY - JOUR T1 - Influence of flexion angle of files on the decentralization of oval canals during instrumentation JO - Brazilian Oral Research A1 - OLIVEIRA, Maria Antonieta Veloso Carvalho de A1 - ALVES, Letícia Duarte A1 - PEREIRA, Analice Giovani A1 - RAPOSO, Luís Henrique Araújo A1 - BIFFI, João Carlos Gabrielli SN - 1806-8324 UL - 10.1590/1807-3107BOR-2015.vol29.0078 VL - 29 Y1 - 2015 PB - Brasil ER -