Microscopic analysis of the quality of obturation and physical properties of MTA Fillapex - Amoroso-Silva, Pablo Andrés; Guimarães, Bruno Martini; Marciano, Marina Angélica; Duarte, Marco Antonio Hungaro; Cavenago, Bruno Cavalini; Ordinola-Zapata, Ronald; Almeida, Marcela Milanezi de; Moraes, Ivaldo Gomes de (Microscopy Research and Technique, 2014)