1. Center of Biophotonics, School of Dentistry, Federal University of Bahia, Salvador, BA, Brazil.
2. Universidade Camilo Castelo Branco, São José dos Campos, SP, Brazil.
3. Instituto Nacional de Ciência e Tecnologia de Óptica e Fotônica, São Carlos, SP, Brazil.
4. Dental School, FCS, UNIVAP, S. J. Campos, SP, Brazil.
5. Instituto Brugnera & Zanin, São Paulo, SP, Brazil.
6. Dental Public Health, School of Dentistry, Federal University of Bahia, Salvador, Brazil. BA.