Tartaglia, Gianluca M., Ernesto Sidoti, and Chiarella Sforza. 2011. “ A 3-Year Follow-up Study of All-Ceramic Single and Multiple Crowns Performed in a Private Practice: A Prospective Case Series ”. Clinics 66 (12): 2063-70. https://doi.org/10.1590/S1807-59322011001200011.