1. 1 Bauru School of Dentistry, University of São Paulo, Bauru, São Paulo, Brazil.
2. 2 Carrera de Odontologia, Universidad Catõlica de Santiago de Guayaquil, Guayaquil, Guayas, Ecuador.
3. 3 Centro Universitãrio Sagrado Coração (Unisagrado), Bauru, Sao Paulo, Brazil.
4. 4 Department of Dentistry, Barretos Cancer Hospital, Barretos, São Paulo, Brazil.
5. 5 Hospital for Rehabilitation of Craniofacial Anomalies, University of São Paulo, Bauru, São Paulo, Brazil.
6. 6 Department of Prosthodontics and Periodontics, Bauru School of Dentistry, University of São Paulo, Bauru, São Paulo, Brazil.