1. Department of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
2. Faculty of Medical and Health Sciences of Juiz de Fora, Juiz de Fora, Brazil
3. Bauru School of Dentistry, University of São Paulo, Bauru, Brazil
4. Private Clinic, Porto Alegre, Brazil
5. Radiology and Stomatology, Department of Dentistry, State University of Maringá, Maringá, Brazil
6. Oral and Maxillofacial Surgery, Department of Dentistry, State University of Maringá, Maringá, Brazil