1. Department of Dental Materials and Prosthodontics, São Jose dos Campos Dental School, São Paulo State University, São José dos Campos, Avenida Francisco José Longo, 777 Vila Adyana, 12245-000 São Jose dos Campos, Brazil
2. Department of Biopathology and Diagnosis and Academic Group of Studies and Research with Lasers in Dentistry, São Jose dos Campos Dental School, São Paulo State University, 12245-000 São José dos Campos, Brazil