Affiliation: | 1. UNESP – Faculty of Dentistry of Ara?atuba, S?o Paulo State University, , S?o Paulo, Brazil;2. The University of Hong Kong, Prince Philip Dental Hospital, , Hong Kong SAR, China;3. Oral Surgery Division, ARDEC, Ariminum Odontologica, , Rimini, Italy;4. Faculty of Dentistry, University of Medical Science, , Habana, (Cuba) |