@article{articlec181a2a8,
title   = {Radiopacity evaluation of root canal sealers containing calcium hydroxide and MTA},
author = {Guerreiro-Tanomaru, Juliane Maria and Duarte, Marco Antonio Húngaro and Gonçalves, Marcelo and Tanomaru Filho, Mário},
year = {2009},
doi = {10.1590/S1806-83242009000200005},
journal   = {Brazilian Oral Research}
}