Department of Paedodontics and Preventive Dentistry, Government Dental College and Research Institute, Victoria Hospital complex, Fort Road, Krishna Raja Market, Bangalore, 560002, India. Department of Paedodontics and Preventive Dentistry, Government Dental College and Research Institute, Victoria Hospital complex, Fort Road, Krishna Raja Market, Bangalore, 560002, India. nagarathnagiri_1975@yahoo.co.in. Department of Paedodontics and Preventive Dentistry, Government Dental College and Research Institute, Victoria Hospital complex, Fort Road, Krishna Raja Market, Bangalore, 560002, India. Department of Paedodontics and Preventive Dentistry, Government Dental College and Research Institute, Victoria Hospital complex, Fort Road, Krishna Raja Market, Bangalore, 560002, India.