american dental association science & research institute

Indiana University School of Dentistry, Oral Health Research Institute

University of Maryland School of Dentistry

Professor of Biochemistry, Pomeranian Medical University

Professor of Cariology

Professor and HoD Research,Mahavir Cancer Sansthan and Research Centre,Patna,India

UNC-Chapel Hill, Adams School of Dentistry, Pediatric and Public Health

University of Michigan, School of Dentistry

University College Cork

Professor of Dental Public Health, Indiana University