1. Department of Oral Medicine & Radiology, Marbasilios Dental College, Kothamangalam, Kerela 686691, India
2. Department of Oral Medicine and Radiology, College of Dentistry, King Khalid University, Gregor Abha 61471, Saudi Arabia
3. Department of Oral Medicine & Radiology, Manipal College of Dental Sciences, Manipal, Karnataka 576104, India