TY  - JOUR 
T1  - Cyclic fatigue resistance of two nickel-titanium instruments in different curving angles: a comparative study
JO  - Brazilian Oral Research
A1  - PENG, Cheng
A1  - Hui, WU
A1  - WANG, Lei
A1  - Xin, HU
A1  - DENG, Shu
A1  - LI, Changyi
A1  - ZHANG, Lianyun
SN  - 1806-8324
UL  - 10.1590/1807-3107BOR-2015.vol29.0122
VL  - 29 
Y1  - 2015
PB  - Brasil 
ER  -