De-Deus, G., E. D. Gurgel-Filho, C. Maniglia-Ferreira, and T. Coutinho-Filho. “Influence of the Filling Technique on Depth of Tubular Penetration of Root Canal Sealer: A Scanning Eletron Microscopy Study”. Brazilian Journal of Oral Sciences, vol. 3, no. 9, Nov. 2015, pp. 433-8, doi:10.20396/bjos.v3i9.8641743.