Evaluation of pH and calcium ion release of root-end filling materials containing calcium hydroxide or Mineral Trioxide Aggregate - Tanomaru Filho, Mário; Faleiros, Frederico Bordini Chaves; Saçaki, Juliana Nogueira; Duarte, Marco Antonio Hungaro; Guerreiro-Tanomaru, Juliane Maria (Journal of Endodontics, 2009)