1. Department of Dental Materials and Prosthodontic, Araçatuba School of Dentistry, São Paulo State University (UNESP), Sao Paulo 16015-050, Brazil
2. Department of Preventive and Restorative Dentistry, Araçatuba School of Dentistry, São Paulo State University (UNESP), Sao Paulo 16015-050, Brazil
3. Birigui Campus, Federal Institute of São Paulo, Sao Paulo 16201-407, Brazil