1. Department of Oral Diagnosis, Division of Oral Radiology, Piracicaba Dental School, University of Campinas, Piracicaba, São Paulo, Brazil.
2. Dental Clinic Department, Division of Oral Radiology, Dental School, Federal Fluminense University, Niterói, Rio de Janeiro, Brazil.
3. Department of Diagnosis and Oral Health, University of Louisville, School of Dentistry, Louisville, KY, USA.