1 Department of Restorative Dentistry & Endodontics, Faculty of Dentistry, University of Puthisastra, Phnom Penh, Cambodia.
2 Dental Research Unit, Center for Global Health Research, Saveetha Medical College and Hospital, Saveetha Institute of Medical and Technical Sciences, Chennai, Tamil Nadu 600077, India.
3 Department of Oral Pathology and Microbiology, Chhattisgarh Dental College and Research Institute, India.
4 Department of, Oral Medicine and Radiology, Chhattisgarh Dental College and Research Institute, India.