1. Department of Dental Materials and Prosthodontics, São Paulo State University (UNESP), School of Dentistry, Araraquara, Brazil;
2. Department of Cariology, Operative Dentistry & Dental Public Health, Indiana University School of Dentistry, Indianapolis, IN, USA;
3. Department of Surgery and Diagnosis, São Paulo State University (Unesp), School of Dentistry, Araraquara, Brazil