TY  - JOUR 
T1  - Spectrophotometric analysis of crown discoloration induced by MTA- and ZnOE-based sealers
JO  - Journal of Applied Oral Science
A1  - Ioannidis, Konstantinos
A1  - Mistakidis, Ilias
A1  - Beltes, Panagiotis
A1  - Karagiannis, Vassilis
SN  - 1678-7757
UL  - 10.1590/1678-7757201302254
VL  - 21 
Y1  - 2013
PB  - Brasil 
ER  -