1. Department of Biomedical, Surgical and Dental Sciences University of Milano Milan Italy
2. Dental and Maxillo‐Facial Surgery Unit IRCCS Ca' Granda Ospedale Maggiore Policlinico di Milano Milan Italy
3. IRCCS Orthopedic Institute Galeazzi Milano Italy
4. Department of Oral Surgery Institute of Dentistry I.M. Sechenov First Moscow State Medical University Moscow Russia