[1] SRM Dent Coll & Hosp, Dept Oral & Maxillofacial Surg, Ramapuram Campus, Chennai 600089, Tamil Nadu, India
[2] Shimane Univ, Dept Oral & Maxillofacial Surg, Grad Sch Med Sci, Izumo, Shimane, Japan
[3] King Georges Med Univ, Dept Oral & Maxillofacial Surg, Lucknow, Uttar Pradesh, India
[4] SRM Dent Coll & Hosp, Dept Oral & Maxillofacial Surg, Chennai, Tamil Nadu, India