TY  - JOUR 
T1  - Cone-beam computed tomography analysis of the apical third of curved roots after mechanical preparation with different automated systems
JO  - Brazilian Dental Journal
A1  - Oliveira, Cesar Augusto Pereira
A1  - Meurer, Maria Inês
A1  - Pascoalato, Cristina
A1  - Silva, Silvio Rocha Correa
SN  - 0103-6440
UL  - 10.1590/S0103-64402009000500004
VL  - 20 
Y1  - 2009
PB  - Brasil 
ER  -