Sharon J Akrish1, Adi Rachmiel2, Imad Abu El-Naaj3, Ofer Ben-Izhak4. 1. Department of Oral and Maxillofacial Surgery, Rambam Medical Center, Bat Galim, Haifa, Israel; Department of Pathology, Rambam Medical Center, Bat Galim, Haifa, Israel; Technion School of Medicine, Bat Galim, Haifa, Israel. Electronic address: sjakrish@gmail.com. 2. Department of Oral and Maxillofacial Surgery, Rambam Medical Center, Bat Galim, Haifa, Israel; Technion School of Medicine, Bat Galim, Haifa, Israel. 3. Department of Oral and Maxillofacial Surgery, Baruch Padeh Medical Center, Faculty of Medicine, Bar Ilan University, Galilee, Israel. 4. Department of Pathology, Rambam Medical Center, Bat Galim, Haifa, Israel; Technion School of Medicine, Bat Galim, Haifa, Israel.