Department of Restorative Dentistry, Dental Materials Division, Piracicaba Dental School, University of Campinas (UNICAMP), Piracicaba 13414-903, Brazil
Dr. Paulo Ferreira
Department of Restorative Dentistry, Dental Materials Division, Piracicaba Dental School, University of Campinas (UNICAMP), Piracicaba 13414-903, Brazil