1 MSc student, Postgraduate Program in Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil.
2 MSc Student, Department of Restorative Dentistry, Endodontics Division, Piracicaba Dental School, State University of Campinas, UNICAMP, Piracicaba, Brazil.
3 Ph.D student in Dentistry, Department of Dentistry, State University of Paraíba, Campina Grande, PB, Brazil.
4 Former Postgraduate Student, Department of Orthodontics, Sagrado Coração University, Bauru, SP, Brazil.
5 Professor, Postgraduate Program in Pediatric Dentistry and Orthodontics, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil.
6 Professor, Department of Preventive and Community Dentistry, School of Dentistry, Federal University of Uberlândia, Uberlândia, Brazil.