TY  - JOUR 
T1  - Apical displacement produced by rotary nickel-titanium instruments and stainless steel files
JO  - Journal of Applied Oral Science
A1  - Vanni, José Roberto
A1  - Albuquerque, Diana Santana de
A1  - Reiss, Cristina
A1  - Baratto Filho, Flares
A1  - Limongi, Orlando
A1  - Della Bona, Álvaro
SN  - 1678-7757
UL  - 10.1590/S1678-77572004000100010
VL  - 12 
Y1  - 2004
PB  - Brasil 
ER  -