1 Department of Oral Clinic, Surgery and Pathology, Faculty of Dentistry, Universidade Federal de Minas Gerais, Minas Gerais, Brazil.
2 Hospital das Clínicas, Universidade Federal de Minas Gerais, Minas Gerais, Brazil.
3 Hospital das Clínicas, Universidade Federal de Minas Gerais, Minas Gerais, Brazil; Department of Community and Preventive Dentistry, Faculty of Dentistry, Universidade Federal de Minas Gerais, Minas Gerais, Brazil.
4 Department of Oral Diagnosis, Piracicaba Dental School, University of Campinas, Piracicaba, Brazil.
5 Department of Oral Clinic, Surgery and Pathology, Faculty of Dentistry, Universidade Federal de Minas Gerais, Minas Gerais, Brazil. Electronic address: silva.tarcilia@gmail.com.