1. Department of Oral Diagnosis, Piracicaba Dental School, University of Campinas (UNICAMP), Campinas, Brazil
2. Department of Oral Diagnosis, Esperança Institute of Higher Learning, Santarém, Pará, Brazil
3. Department of Oral Radiology, School of Dentistry, Federal University of Pará, Belém, Brazil
4. Stomatology Department, A. C. Camargo Hospital, São Paulo, Brazil