Affiliation: | 1. Department of Periodontology, Universitat Internacional de Catalunya, Barcelona, Spain;2. Periodontology Department, University of Padova, Padova, Italy;3. Prosthodontics and Operative Dentistry Department, Tufts University, Boston, MA, USA;4. Department of Biomedical, Surgical and Dental Sciences, CRSO, IRCCS Galeazzi Orthopedic Institute, University of Milan, Milan, Italy |