1. Pt. BD Sharma University of Health Sciences, Rohtak 124001, India
2. Department of Oral and Maxillofacial Surgery, JCD Dental College, Sirsa, Haryana 125055, India
3. Department of Oral and Maxillofacial Surgery, BRS Dental College, Sultanpur, Panchkula 134118, India
4. Department of Oral and Maxillofacial Surgery, Punjab Institute of Medical Sciences, Jalandhar 144022, India
5. Private Practice, Maur Mandi, Bathinda 151509, India
6. Department of Periodontics, JCD Dental College, Sirsa, Haryana 125055, India