1. Oral Diagnosis Department, Semiology and Oral Pathology Areas; Piracicaba Dental School; University of Campinas (UNICAMP); São Paulo Brazil
2. João de Barros; Barreto University Hospital (HUJBB); Federal University of Pará (UFPA); Pará Brazil
3. Department of Oral Surgery and Pathology; School of Dentistry; Federal University of Minas Gerais (UFMG); Minas Gerais Brazil