Qualitative SEM/EDS analysis of microleakage and apical gap formation of adhesive root-filling materials - Souza, Soraia de Fátima Carvalho; Francci, Carlos Eduardo; Bombana, Antonio Carlos; Kenshima, Silvia; Barroso, Lucia Pereira; Zanchetta, Liz de Mello; Loguercio, Alessandro D (Journal of Applied Oral Science, 2012)