1. Department of Oral Diagnosis Piracicaba Dental School University of Campinas Piracicaba Brazil
2. Department of Oral Surgery and Pathology School of Dentistry Universidade Federal de Minas Gerais Belo Horizonte Brazil
3. Medical School Clinics Hospital University of São Paulo São Paulo Brazil
4. Dental Oncology Service Instituto do Câncer do Estado de São PauloICESP‐FMUSP São Paulo Brazil