1 Department of Oral and Maxillofacial Sciences, Sapienza University of Rome, 00161 Rome, Italy; Oncological and Reconstructive Maxillo - Facial Surgery Unit, Policlinico Umberto I, 00161 Rome, Italy.
2 Department of Oral and Maxillofacial Sciences, Sapienza University of Rome, 00161 Rome, Italy. Electronic address: resi.pucci@uniroma1.it.
3 Oncological and Reconstructive Maxillo - Facial Surgery Unit, Policlinico Umberto I, 00161 Rome, Italy.