[1] Sapienza Univ Rome, Dept Oral & Maxillofacial Sci, Via Caserta 6, I-00161 Rome, Italy
[2] Policlin Umberto 1, Implanto Prosthet, Viale Regina Elena 287b, I-00161 Rome, Italy
[3] Univ Foggia, Dept Clin & Expt Med, I-71122 Foggia, Italy
[4] Policlin Umberto 1, Oncol & Reconstruct Maxillofacial Surg Unit, Viale Policlin 155, I-00167 Rome, Italy