Doldo, T., L. Di Vece, E. Ferrari Cagidiaco, N. Nuti, S. Parrini, M. Ferrari, and F. Carboncini. 2018. “A New Generation of Orthodontic Retainer Using 3d Printing Technology: Clinical Cases Report”. Journal of Osseointegration 10 (4), 142-48. https://doi.org/10.23805/jo.2018.10.04.06.