[1] Univ Naples Federico II, Multidisciplinary Dept Medical Surg & Odontostoma, Naples, Italy
[2] Foggia Univ, Dept Clin & Expt Med, Foggia, Italy
[3] Loma Linda Univ, Dept Oral & Maxillofacial Surg, Loma Linda, CA 92350 USA
[4] Univ Messina, Sch Dent, Dept Biomed & Dent Sci Morphol & Funct Images, Policlinico G,Martino,Via Consolare Valeria, I-98100 Messina, Italy