1 Datarkar Dental Institute & Research Centre, Pratapnagar, Nagpur, Maharashtra, India Department of Periodontology and Dental Implantology, The Maurice and Gabriela Goldschleger School of Dental Medicine, Tel-Aviv University, Israel Department of Oral and Maxillofacial Surgery, School of Dental Medicine, Tel-Aviv University, Israel Oral Surgery Unit, University of Eastern Piedmont, Novara, Italy Prof of Stomatology and Oral Surgery, Department of Health Sciences, "A. Avogadro", University of Eastern Piedmont, Novara, Italy Department of Oral Rehabilitation, The Maurice and Gabriela Goldschleger, School of Dental Medicine, Tel-Aviv University, Israel Tel-Aviv University, Ehud 12 Tel-Aviv, Israel 6993612, Tel-Aviv, Israel.