MARTINS, G. C.; MEIER, M. M.; LOGUERCIO, A. D.; CECCHIN, F.; GOMES, O. M. M.; REIS, A. Effects of zirconia nanoparticles addition to experimental adhesives on radiopacity and microhardness. Brazilian Journal of Oral Sciences, Limeira, SP, v. 12, n. 4, p. 319–322, 2015. DOI: 10.20396/bjos.v12i4.8640945. Disponível em: https://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8640945. Acesso em: 6 oct. 2022.