1. Department of Oral Radiology, University of Anápolis, Anápolis, GO, Brazil.
2. Department of Stomatologic Sciences, School of Dentistry, Federal University of Goiás, Goiânia, GO, Brazil.
3. Science Program in Dentistry, University of Anápolis, Anápolis, GO, Brazil.
4. Division of Oral Radiology, Department of Oral Diagnosis, Piracicaba Dental School, University of Campinas, São Paulo, Brazil.