1. Department of Pediatric Dentistry and Orthodontics, Faculty of Dentistry; Universidade Federal de Minas Gerais; Belo Horizonte Brazil
2. Department of Complementary Propaedeutic, Faculty of Medicine; Universidade Federal de Minas Gerais; Belo Horizonte Brazil
3. Department of Social and Preventive Dentistry, Faculty of Dentistry; Universidade Federal de Minas Gerais; Belo Horizonte Brazil