1. Department of Dental Materials and Prosthodontics, São Paulo State University (Unesp), School of Dentistry, Araraquara, São Paulo, Brazil
2. Department of Physiology and Pathology, São Paulo State University (Unesp), School of Dentistry, Araraquara, São Paulo, Brazil
3. Biophotonics Lab, Group of Optics, Physics Institute of São Carlos, University of São Paulo - USP, Av. Trabalhador São-carlense, 400, 13566–590, São Carlos, SP, Brazil