Affiliation: | 1. Department of Community Dentistry, School of Dentistry, University of S?o Paulo, Avenida Professor Lineu Prestes, 2227, S?o Paulo, SP, 05508‐000 Brazil;2. Department of Community Dentistry, School of Dentistry, Araraquara, S?o Paulo State University (UNESP), Rua Humaitá, 1680, Araraquara, SP, 14801‐903 Brazil;3. Additional information and reprint requests:;4. Lara Maria Herrera, M.Sc.;5. Department of Community Dentistry;6. Araraquara School of Dentistry;7. S?o Paulo State University;8. Rua Humaitá, 1680;9. Araraquara;10. SP 14801‐903;11. Brazil;12. E‐mail:;13. Three‐dimensional Technologies Division, Renato Archer Information Technology Center, Rodovia Dom Pedro I, km 143.6, Jardim Santa M?nica, Campinas, SP, 13069‐901 Brazil |