Abstract
1 Laboratory of Stomatology, Faculty of Dentistry, Biological and Health Sciences Centre, Pontifical Catholic University of Paraná, Rua Imaculada Conceição 1155, Curitiba PR 80215-901, Brazil
2 Oral Biosciences Unit, Faculty of Dentistry, Prince Philip Dental Hospital, University of Hong Kong, 34 Hospital Road, Sai Ying Pun, Hong Kong SAR
3 Department of Prosthetic Dentistry, Faculty of Dentistry of Piracicaba, State University of Campinas, Avenida Limeira 901, Piracicaba SP 13414-903, Brazil
Correspondence
Edvaldo Antonio Ribeiro Rosa
edvaldo.rosa{at}pucpr.br