1. C.I.R. Dental School, Department of Surgical Sciences, University of Turin, 10126 Turin, Italy
2. Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Turin, Italy
3. Complife Italia S.r.l., Via Mons. Angelini 21, 27028 San Martino Siccomario, Italy