TY - JOUR T1 - Influence of cervical preflaring on determination of apical file size in maxillary molars: SEM analysis JO - Brazilian Dental Journal A1 - Vanni, José Roberto A1 - Santos, Roberto A1 - Limongi, Orlando A1 - Guerisoli, Danilo M. Zanello A1 - Capelli, Alexandre A1 - Pécora, Jesus Djalma SN - 0103-6440 UL - 10.1590/S0103-64402005000300002 VL - 16 Y1 - 2005 PB - Brasil ER -