Departments of Oral and MaxillofacialSurgery and
3 Physiology, MB KediaDental College, Birgunj, Nepal,Departments of
1 Oral and MaxillofacialSurgery and 4 Conservative Dentistryand Endodontics, ESIC DentalCollege and Hospital, New Delhi,
2 Department of Oral and MaxillofacialSurgery, Uttaranchal Dental andMedical Research Institute, Dehradun,Uttarakhand, India
Address for correspondence:
Dr. Mahinder Singh,Department of Oral and Maxillofacial Surgery, Uttaranchal Dental and Medical Research Institute, Mazri Grant, Dehradun, Uttarakhand, India.