@article{articleba017022,
title   = {Reasons for placement and replacement of direct restorative materials in Brazil},
author = {Braga, Sheila Regina Maia and Vasconcelos, Beatriz Tholt and Macedo, Manoel Roberto de Paula and Martins, Vinicius R. Geraldo and Sobral, Maria Angela Pita},
year = {2007},
journal   = {Quintessence International}
}