1. Department of Oral Medicine and Radiology, AIMST University, Faculty of Dentistry, Jalan Semeling-Bedong, 08100 Bedong, Kedah, Malaysia
2. Department of Oral Medicine and Radiology, Sree Balaji Dental College and Hospitals, Chennai, Tamil Nadu, India
3. Academic Unit of Craniofacial Clinical Care, AIMST University, Faculty of Dentistry, Jalan Semeling-Bedong, 08100 Bedong, Kedah, Malaysia