G. M. Spyrides, S. M. M. Spyrides, T. H. Resende, E. B. Mello, O. A. Neto, and J. B. Ribeiro, “Immediate implants placed into central incisors sockets: a surgical and prosthetic two years follow-up”, BDS, vol. 20, no. 4, pp. 130–137, Dec. 2017.