1. Postgraduate Student, Department of Orthodontics, University of North Paraná, Londrina-PR, Brazil.
2. Professor, Department of Orthodontics, University of North Parana, Londrina-PR, Brazil.
3. Professor, Department of Orthodontics, Institute of Dentistry, Sagrado Coração University, Bauru-SP, Brazil.
4. Professor, Department of Oral Health, Parana Federal Institute (IFPR), Londrina-PR, Brazil.