1. Department of Dental Materials and Prosthodontics, Araraquara School of Dentistry, UNESP Univ Estadual Paulista, Campus Araraquara, Araraquara, Brazil.
2. Department of Diagnosis and Surgery, Araraquara School of Dentistry, UNESP Univ Estadual Paulista, Campus Araraquara, Araraquara, Brazil.
3. Department of Morphology, Araraquara School of Dentistry, São Paulo State University, Araraquara, Brazil.