1. Postgraduate Student, Department of Orthodontics, Faculty of Dentistry, Vale do Rio Verde University (UNINCOR), Três Corações, Minas Gerais, Brazil.
2. Professor, Department of Pediatric Dentistry and Orthodontics, Faculty of Dentistry, Federal University of Vales do Jequitinhonha e Mucuri, Diamantina, Minas Gerais, Brazil.
3. Professor, Department of Pediatric Dentistry and Orthodontics, Faculty of Dentistry, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil.
4. Professor, Department of Orthodontics, Faculty of Dentistry, UNINCOR, Três Corações, Minas Gerais, Brazil.